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Thematische Bibliographien / Reynoutria / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Reynoutria“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 25. April 2022

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1

Strašil, Z., und J. Kára. „Study of knotweed (Reynoutria) as possible phytomass resource for energy and industrial utilization“. Research in Agricultural Engineering 56, No. 3 (26.08.2010): 85–91. http://dx.doi.org/10.17221/46/2009-rae.

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This paper deals with the Reynoutria × bohemica and Reynoutria japonica under conditions of the Czech Republic. It evaluates the impact of soil, weather conditions and various terms of harvest (autumn, spring) on the yield, dry matter content, phytomass loss, ash content, and basic elements content change in plants. Heavy metals content was determined in soil where plants were grown and consequently in plants themselves. The average yield of dry matter at the fully closed stands of Reynoutria japonica were 9.06 t/ha in autumn, Reynoutria × bohemica from 13.23 to 21.41 t/ha, according to the site. The yield losses within the winter period were found on average 42% for Reynoutria japonica and 34% for Reynoutria × bohemica. The moisture decrease of Reynoutria japonica was found from 68% in the autumn to 24% in the spring, and of Reynoutria × bohemica from 67% to 23%, respectively. Decreased content of nitrogen, phosphorus, potassium, calcium, and magnesium in the knotweed phytomass was found during the latter (spring) harvest periods in comparison with the earlier harvest periods. Decreased elements content in phytomass during the latter harvest period (spring) increases the phytomass quality as a fuel from both aspects – technical and emissions generation. The ash content in plants varied according to the site, on average from 3.12% in Ruzyně to 4.6% in Chomutov. None of the heavy metals monitored in knotweed plants reached the maximum admissible values determined for the food or feed purposes in the Czech Republic. From the results of combustion experiments, it is evident that Reynoutria × bohemica is a good fuel. Energy sorrel shows the extreme CO concentration in flue gases in comparison with other monitored fuels. According to the ČSN EN 12809 (2001) standard it does not meet even the third class of requirements. On the contrary, knotweed and wood bark fulfill the requirements for the first class. The surprising fact is that both of these fuels show the lower level of CO emissions, than the wooden briquettes. Concentrations of nitrogen oxids are comparable with biofuels, except of wood, and probably are related to the nitrogen content in heating material.

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Yang, Song-Yi, und Min-Kyung Kang. „Biocompatibility and Antimicrobial Activity of Reynoutria elliptica Extract for Dental Application“. Plants 9, Nr. 6 (26.05.2020): 670. http://dx.doi.org/10.3390/plants9060670.

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This study was conducted to determine whether nature-derived Reynoutria elliptica extracts exhibit biocompatibility and antimicrobial effects against oral pathogens such as Streptococcus mutans and Candida albicans. Fine particles of Reynoutria elliptica extract were used to probe for biocompatibility and antimicrobial activity toward these pathogens, and results were evaluated with an MTT (3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) assay, spectrophotometric growth inhibitory assay, the total number of colony-forming units (CFU), an agar disk diffusion test, and scanning electron microscopy (SEM). In addition, UV/VIS spectroscopy was used to determine the levels of flavonoid and polyphenol in experimental solutions. Several experimental groups showed cell viability higher than 70%, and the antimicrobial activity toward both S. mutans and C. albicans was significantly higher than was that seen for the control group. In CFU and agar disk diffusion tests with C. albicans, increases in the concentration of Reynoutria elliptica extract led to significantly increased antimicrobial effects. Additionally, SEM results showed that Reynoutria elliptica extract changed the morphology and density of S. mutans and C. albicans. The results of this research can be applied to the use of Reynoutria elliptica extracts for the development of oral products that are biologically friendly and can control oral diseases such as dental caries and candida-associated denture stomatitis.

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Holden, Claire Anne, John Paul Bailey, Jane Elizabeth Taylor, Frank Martin, Paul Beckett und Martin McAinsh. „Know your enemy: Application of ATR-FTIR spectroscopy to invasive species control“. PLOS ONE 17, Nr. 1 (07.01.2022): e0261742. http://dx.doi.org/10.1371/journal.pone.0261742.

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Extreme weather and globalisation leave our climate vulnerable to invasion by alien species, which have negative impacts on the economy, biodiversity, and ecosystem services. Rapid and accurate identification is key to the control of invasive alien species. However, visually similar species hinder conservation efforts, for example hybrids within the Japanese Knotweed complex. We applied the novel method of ATR-FTIR spectroscopy combined with chemometrics (mathematics applied to chemical data) to historic herbarium samples, taking 1580 spectra in total. Samples included five species from within the interbreeding Japanese Knotweed complex (including three varieties of Japanese Knotweed), six hybrids and five species from the wider Polygonaceae family. Spectral data from herbarium specimens were analysed with several chemometric techniques: support vector machines (SVM) for differentiation between plant types, supported by ploidy levels; principal component analysis loadings and spectral biomarkers to explore differences between the highly invasive Reynoutria japonica var. japonica and its non-invasive counterpart Reynoutria japonica var. compacta; hierarchical cluster analysis (HCA) to investigate the relationship between plants within the Polygonaceae family, of the Fallopia, Reynoutria, Rumex and Fagopyrum genera. ATR-FTIR spectroscopy coupled with SVM successfully differentiated between plant type, leaf surface and geographical location, even in herbarium samples of varying age. Differences between Reynoutria japonica var. japonica and Reynoutria japonica var. compacta included the presence of two polysaccharides, glucomannan and xyloglucan, at higher concentrations in Reynoutria japonica var. japonica than Reynoutria japonica var. compacta. HCA analysis indicated that potential genetic linkages are sometimes masked by environmental factors; an effect that can either be reduced or encouraged by altering the input parameters. Entering the absorbance values for key wavenumbers, previously highlighted by principal component analysis loadings, favours linkages in the resultant HCA dendrogram corresponding to expected genetic relationships, whilst environmental associations are encouraged using the spectral fingerprint region. The ability to distinguish between closely related interbreeding species and hybrids, based on their spectral signature, raises the possibility of using this approach for determining the origin of Japanese knotweed infestations in legal cases where the clonal nature of plants currently makes this difficult and for the targeted control of species and hybrids. These techniques also provide a new method for supporting biogeographical studies.

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Eom, Min Rye, Jin Bae Weon, Youn Sik Jung, Ga Hee Ryu, Woo Seung Yang und Choong Je Ma. „Neuroprotective compounds from Reynoutria sachalinensis“. Archives of Pharmacal Research 40, Nr. 6 (13.05.2017): 704–12. http://dx.doi.org/10.1007/s12272-017-0918-x.

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5

Germishuizen, G. „LILIACEAE“. Bothalia 16, Nr. 2 (28.10.1986): 233. http://dx.doi.org/10.4102/abc.v16i2.1096.

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6

Nawrot-Hadzik, Izabela, Sebastian Granica, Krzysztof Domaradzki, Łukasz Pecio und Adam Matkowski. „Isolation and Determination of Phenolic Glycosides and Anthraquinones from Rhizomes of Various Reynoutria Species“. Planta Medica 84, Nr. 15 (19.04.2018): 1118–26. http://dx.doi.org/10.1055/a-0605-3857.

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AbstractGiant knotweeds of the genus Reynoutria (syn. Fallopia)–Reynoutria japonica, Reynoutria sachalinensis, and a hybrid of them, Reynoutria x bohemica–are noxious invasive plants in Europe and North America. R. japonica is a traditional East Asian (Japan and China) drug (Polygoni cuspidati rhizoma). Recently, it has been included in European Pharmacopoeia as one of the traditional Chinese medicinal herbs. In this study, a reversed-phase high performance liquid chromatography method with diode array detector and time-of-flight mass spectrometry was developed and validated for the profiling of rhizomes from European invasive populations and Polygoni cuspidati rhizoma purchased in China. Twenty-five compounds were identified, mainly stilbenes, anthraquinones, flavan-3-ols, and phenylpropanoid esters. Tatariside B, hydropiperoside, vanicoside C, a new compound (3,6-O-di-p-coumaroyl)-β-fructofuranosyl-(2 → 1)-(2′-O-acetyl-6′-O-feruloyl)-β-glucopyranoside) were reported for the first time in these raw materials. Six compounds from three phytochemical classes–stilbenes: piceid and resveratrol; anthraquinones: emodin and physcion; hydroxycinnamic sucrose esters: vanicosides A and B–were quantified using the validated method. R. japonica from China contained twice as many stilbenoids than samples from Poland (piceid 14.83 mg/g dm vs. 7.45 mg/g and resveratrol 1.29 mg/g vs. 0.65 mg/g). R. sachalinensis rhizomes contained lower quantities of anthraquinones and no detectable stilbenes, which together with higher amounts of hydroxycinnamic glycosides makes it easily distinguishable from the other two. The phytochemical profile of R. x bohemica was intermediate between the two parent species.

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Nawrot-Hadzik, Izabela, Sylwester Ślusarczyk, Sebastian Granica, Jakub Hadzik und Adam Matkowski. „Phytochemical Diversity in Rhizomes of Three Reynoutria Species and their Antioxidant Activity Correlations Elucidated by LC-ESI-MS/MS Analysis.“ Molecules 24, Nr. 6 (21.03.2019): 1136. http://dx.doi.org/10.3390/molecules24061136.

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The rhizome of Reynoutria japonica is a well-known traditional herb (Hu zhang) used in East Asia to treat various inflammatory diseases, infections, skin diseases, scald, and hyperlipidemia. It is also one of the richest natural sources of resveratrol. Although, it has been recently included in the European Pharmacopoeia, in Europe it is still an untapped resource. Some of the therapeutic effects are likely to be influenced by its antioxidant properties and this in turn is frequently associated with a high stilbene content. However, compounds other than stilbenes may add to the total antioxidant capacity. Hence, the aim of this research was to examine rhizomes of R. japonica and the less studied but morphologically similar species, R. sachalinensis and R. x bohemica for their phytochemical composition and antioxidant activity and to clarify the relationship between the antioxidant activity and the components by statistical methods. HPLC/UV/ESI-MS studies of three Reynoutria species revealed 171 compounds, comprising stilbenes, carbohydrates, procyanidins, flavan-3-ols, anthraquinones, phenylpropanoids, lignin oligomers, hydroxycinnamic acids, naphthalenes and their derivatives. Our studies confirmed the presence of procyanidins with high degree of polymerization, up to decamers, in the rhizomes of R. japonica and provides new data on the presence of these compounds in other Reynoutria species. A procyanidin trimer digallate was described for the first time in, the studied plants. Moreover, we tentatively identified dianthrone glycosides new for these species and previously unrecorded phenylpropanoid disaccharide esters and hydroxycinnamic acid derivatives. Furthermore, compounds tentatively annotated as lignin oligomers were observed for the first time in the studied species. The rhizomes of all Reynoutria species exhibited strong antioxidant activity. Statistical analysis demonstrated that proanthocyanidins should be considered as important contributors to the total antioxidant capacity.

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Tippery, Nicholas P., Alyssa L. Olson und Jenni L. Wendtlandt. „Using the nuclear LEAFY gene to reconstruct phylogenetic relationships among invasive knotweed (Reynoutria, Polygonaceae) populations“. Invasive Plant Science and Management 14, Nr. 2 (23.04.2021): 92–100. http://dx.doi.org/10.1017/inp.2021.14.

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AbstractKnotweed species in the genus Reynoutria are native to eastern Asia but have become noxious weeds in Europe and North America. In the United States, invasive populations of Japanese knotweed (Reynoutria japonica Houtt.), giant knotweed [Reynoutria sachalinensis (F. Schmidt) Nakai], and their interspecific hybrid known as Bohemian knotweed (R. × bohemica Chrtek & Chrtková) continue to expand their ranges. Although these plants are among the most invasive terrestrial species, there are relatively few molecular tools for identifying the parental species, the F1 hybrid, or subsequent hybrids or introgressed individuals. We studied Reynoutria populations in Wisconsin, a state where all three taxa grow, to determine whether molecular data would be useful for distinguishing species and identifying hybrids. We obtained DNA sequence data from the plastid matK gene and the nuclear LEAFY gene and compared these to previously published sequences. Data from the uniparentally inherited matK region included haplotypes attributable to R. japonica and R. sachalinensis. Nuclear data indicated that R. sachalinensis plants are most similar to native plants in Japan, with two Wisconsin accessions exhibiting a monomorphic genotype for the LEAFY gene. Three Wisconsin accessions of R. japonica were each characterized by having three distinct kinds of LEAFY sequence. Most plants in our study were found to possess two or three phylogenetically distinct copies of the LEAFY gene, with the copies being most closely related to R. japonica and R. sachalinensis, respectively, and these were inferred to be interspecific hybrids. Altogether, five kinds of interspecific hybrids were identified, reflecting various combinations of LEAFY sequence types from the parental species. The widespread existence of hybrid plants in Wisconsin, many of which are morphologically identifiable as R. japonica, indicates a cryptic genetic diversity that should be examined more broadly in North America using molecular tools.

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Patočka, Jiří, Zdeňka Navrátilová und Maribel Ovando. „BIOLOGICALLY ACTIVE COMPOUNDS OF KNOTWEED (Reynoutria spp.)“. Military Medical Science Letters 86, Nr. 1 (10.03.2017): 17–31. http://dx.doi.org/10.31482/mmsl.2017.004.

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Fabiszewski, Jerzy, und Teresa Brej. „Ecological significance of some kenophytes in Lower Silesian national parks“. Acta Societatis Botanicorum Poloniae 77, Nr. 2 (2011): 167–74. http://dx.doi.org/10.5586/asbp.2008.021.

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The paper presents the results of several years investigations (2003-2007) on two invaders: the Himalayans <em>Impatiens glandulifera</em> and Asiatic <em>Reynoutria japonica</em>. The Sudety Mountains and their national parks are under strong pressure of both species, threatening the local vegetation. The four-year investigations have been carried out in field, glasshouse and in laboratory. Invasive species have their peculiar life histories which help them to occupy new areas. Those are above all the specific generative reproduction strategies (<em>Impatiens</em>) or vegetative reproduction strategies (<em>Reynoutria</em>). Both strategies secure the reproductive success and to capture more and more highly situated areas of the mountains. Very significant characteristics connected with the expansion of invaders is the excessively over and above the average production of seeds (<em>Impatiens</em>) and a huge annual increment aboveground biomass (<em>Reynoutria</em>). The investigated invasive species are probably not equipped with influence of allelopatic type as of greater importance is their competitive strength. The invaders can eliminate a part of the early spring flora belonging to the geophyte group and impoverish the regional biological diversity. Both the invasive plants enter also into some moist mountain forest communities.

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Khalil, Atif Ali Khan, Kazi-Marjahan Akter, Hye-Jin Kim, Woo Sung Park, Dong-Min Kang, Kyung Ah Koo und Mi-Jeong Ahn. „Comparative Inner Morphological and Chemical Studies on Reynoutria Species in Korea“. Plants 9, Nr. 2 (09.02.2020): 222. http://dx.doi.org/10.3390/plants9020222.

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Reynoutria species are medicinal plants that belong to the family Polygonaceae and are widely distributed in eastern Asia, North America and Europe. Although the phylogeny and morphological and anatomical studies of some species in Korea have been previously reported, there are no discriminative anatomical and chemical data available. Therefore, anatomical characterization of the leaf, stem and root, and high performance liquid chromatography–diode array detector (HPLC–DAD) analyses were carried out to assess the differences in anatomical and chemical profiles among the Reynoutria plants in Korea, i.e., R. japonica, R. sachalinensis, R. forbesii and R. japonica for. elata. The anatomical evaluation showed discriminative characteristics, such as the shape of the stomata and the stomatal index of the lower leaf surface; the ratio of the adaxial/abaxial height, the size of the vascular bundles and the frequency of druse in the midrib, petiole, and stem; and the pericycle number in the root. For the HPLC analysis, ten compounds corresponding to each major peak were isolated from R. japonica roots and their structures were identified by comprehensive spectroscopic studies. Samples collected before the flowering season showed higher contents of these ten major compounds than those collected after the flowering season. The orthogonal projections to latent structures-discrimination analysis (OPLS-DA) with the inner morphological and HPLC quantification results, clearly discriminated these plants. These results provide anatomical parameters and HPLC profiling that can be used to distinguish the four Reynoutria plants, which supports quality control for their precise identification.

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Pavicic, Svjetlana, Zoran Kukric, Ljiljana Topalic-Trivunovic, Asima Davidovic und Mirjana Zabic. „Antioxidative and antimicrobial activity of Reynoutria japonica extracts“. Chemical Industry 63, Nr. 5 (2009): 427–32. http://dx.doi.org/10.2298/hemind0905427p.

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Ethanolic (50%, v/v) extract of Reynoutria japonica Houtt. rhizome from the Banja Luka region was prepared. The dry extract was dissolved in methanol, and total phenols content, antimicrobial and antioxidative activities were determined. The total phenols content was determined using modified Folin-Ciocalteu method, the antimicrobial activity by monitoring the optical density, and antioxidative activity by the method of quenching stable free 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals by FRAP and ABTS metods. The antioxidative activity results were compared with control antioxidants: vitamin C, BHA and BHT. In order to determine the antimicrobial extract activity, E. coli, S. aureus and B. cereus were used as test microorganisms. The paper discusses the results of antimicrobial and antioxidative activeties of the R. japonica extract with respect to extract concentration as well as to total phenols content. The extract of R. japonica rhizome shows both, a significant overall antioxidant activity (29.84 mM (FeII)/g of extract) and high activity in quenching DPPH (IC50 = = 13.68 ?g/mL) and ABTS+ (99.1%) radicals. It was found that the R. Japonica extract had greater impact on growth rate reduction of B. cereus, E. coli, than S. aureus, expressed in percentages of growth rate, L, 73.6, 59.3 and 52.1% respectively. The greatest decrease in total bacterial count, M, was observed in S. aureus (71.9%), while the decrease in E. coli and B. cereus was approximately equal (about 50%). The total phenols content, expressed as mg of galic acid equivalents/g of extract was 664?15. The high antioxidant and significant antimicrobial activity of the R. japonica extract determined in this work is associated with extremely high total phenols content.

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Hwang, Joo-Tae, Young-Sik Park, Young-Shin Kim, Jin-Cheol Kim und Chi-Hwan Lim. „Isolation and identification of antifungal compounds from Reynoutria elliptica“. Korean Journal of Agricultural Science 39, Nr. 4 (31.12.2012): 583–89. http://dx.doi.org/10.7744/cnujas.2012.39.4.583.

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Gerber, Esther, und Urs Schaffner. „Gebietsfremde Staudenknöteriche im Schweizer Wald – Auswirkungen und Massnahmen“. Schweizerische Zeitschrift fur Forstwesen 165, Nr. 6 (01.06.2014): 150–57. http://dx.doi.org/10.3188/szf.2014.0150.

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Exotic knotweeds on Swiss forest sites: consequences and measures to take Natural areas in Switzerland are home to an increasing number of non-native plant species, so-called neophytes. Some are highly prolific, causing damage to the environment and the economy. Especially some species originally imported as ornamental plants have been accidentally introduced into forest habitats, where their spread has become increasingly problematic. Using the example of exotic knotweeds (Reynoutria spp., Syn Fallopia spp.), which are among the most aggressive neophytes in Europe, we outline potential consequences of alien plant invasions in forests and give management recommendations to mitigate their negative effects on native ecosystems. Management options discussed include mechanical, chemical and biological methods of control. In regard to the latter, Japanese knotweed (Reynoutria japonica) is of particular interest as there is an ongoing classical biological control project against this species in Great Britain.

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DOWELD, ALEXANDER B. „New names in Fallopia, Persicarioipollis, Polygonum and Reynoutria (Polygonaceae), living and fossil“. Phytotaxa 308, Nr. 1 (02.06.2017): 66. http://dx.doi.org/10.11646/phytotaxa.308.1.5.

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Fossil and living species of the former polyphyletic genus Polygonum s.l. are re-classified into distinct genera: Fallopia (F. conwentzii nom. nov., F. ×heterocarpa comb. nov., F. palaeodonica sp. nov., F. pliocaenica comb. nov.), Persicaria (P. asymmetrica comb. nov., P. omoloica sp. nov., P. ×pseudoincana comb. nov., P. vladichenica comb. nov., P. wolfii comb. nov., P. zablockii comb. nov.), Persicarioipollis (P. frequens comb. nov., P. persicariiformis comb. nov.), Polygonum (P. palaeosibiricum nom. nov.), and Reynoutria (R. leporimontana comb. nov., R. miosinica comb. nov., R. megalophylla comb. nov., R. trigonophylla comb. nov.). It is established that extant Polygonum ×convolvuloides Brügger is an illegitimate later homonym of P. convolvuloides Conw. and the fossil P. reticulatum P.I.Dorof. is an illegitimate later homonym of extant P. reticulatum K.Koch and P. reticulatum de Bruyn. In addition, Polygonum ×heterocarpum (≡ Fallopia ×heterocarpa comb. nov.), P. lapathiforme (≡ Persicaria lapathiformis), P. zablockii (≡ Persicaria zablockii comb. nov.) and Reynoutria paleojaponica were lectotypified.

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Hejnowicz, Z., und A. Sievers. „Acid-induced elongation of Reynoutria stems requires tissue stresses“. Physiologia Plantarum 98, Nr. 2 (09.10.2008): 345–48. http://dx.doi.org/10.1034/j.1399-3054.1996.980216.x.

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Nhiem, Nguyen Xuan, Phan Van Kiem, Chau Van Minh, Nguyen Thi Hoai, Ho Viet Duc, Bui Huu Tai, Tran Hong Quang et al. „Anti-influenza Sesquiterpene from the Roots of Reynoutria japonica“. Natural Product Communications 9, Nr. 3 (März 2014): 1934578X1400900. http://dx.doi.org/10.1177/1934578x1400900308.

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One new flavonol glycoside, 4′- O-methylmyricitrin 3′- O-β-D-glucopyranoside (1), one new sesquiterpene, reynoudiol (11), as well as the 12 known compounds (2–10, 12–14) quercetin 3- O-methyl ether (2), quercitrin (3), isorhamnetin 3- α-L-rhamnopyranoside (4), tamarixetin 3- α-L-rhamnopyranoside (5), myricitrin (6), 4′- O-methylmyricitrin (7), isorhamnetin 3- O-β-D-xylopyranosyl (1→2)- O-β-D-glucopyranoside (8), isorhamnetin 3- O-β-D-apiofuranosyl-(1→2)- O-β-D-glucopyranoside (9), (+)-catechin (10), 7-drimene-3,11,12-triol (12), clovane-2 β,9 α-diol (13), and α-cadinol (14), were isolated from the methanol extract of Reynoutria japonica roots. Based on in vitro screening of the anti-influenza activity of the isolated compounds, reynoudiol showed significantly higher activity than that of oseltamivir phosphate at the same concentration, and did not induce any detectable cytopathic effect in MDCK cells. The CC50 of reynoudiol was above 50 μM and could inhibit influenza virus infection with an IC50 of 0.29 ± 0.01 μM. The therapeutic index (TI) of reynoudiol against influenza infection was 172.4, and thus, this compound can be potentially used to treat oseltamivir-resistant influenza virus infection.

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Khalil, Atif Ali Khan, Woo Sung Park, Jeehoon Lee, Hye-Jin Kim, Kazi-Marjahan Akter, Young-Min Goo, Ji-Yeong Bae, Man-Seog Chun, Jung-Hwan Kim und Mi-Jeong Ahn. „A new anti-Helicobacter pylori juglone from Reynoutria japonica“. Archives of Pharmacal Research 42, Nr. 6 (09.05.2019): 505–11. http://dx.doi.org/10.1007/s12272-019-01160-x.

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Park, Jin Hee, Hye Kyoung Moon und Chong Wook Park. „Flavonoid chemistry of Fallopia sect. Reynoutria (Polygonaceae) in Korea“. Korean Journal of Plant Taxonomy 41, Nr. 1 (31.03.2011): 10–15. http://dx.doi.org/10.11110/kjpt.2011.41.1.010.

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Moon, Hye Kyoung, Jin Hee Park und Chong Wook Park. „Trichome morphology of Fallopia sect. Reynoutria (Polygonaceae) in Korea“. Korean Journal of Plant Taxonomy 41, Nr. 1 (31.03.2011): 51–57. http://dx.doi.org/10.11110/kjpt.2011.41.1.051.

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Dołowacka-Jóźwiak, Arleta, Adam Matkowski und Izabela Nawrot-Hadzik. „Antiglycoxidative Properties of Extracts and Fractions from Reynoutria Rhizomes“. Nutrients 13, Nr. 11 (14.11.2021): 4066. http://dx.doi.org/10.3390/nu13114066.

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Hyperglycemia, when sustained over a long time in diabetes mellitus (DM), leads to biochemical and cellular abnormalities, primarily through the formation of advanced glycation end-products (AGEs). In the treatment of diabetes, beside blood-sugar-lowering medications, a consumption of herbal products that can inhibit the AGEs’ formation is recommended. This study investigated the in vitro antiglycoxidative potential of extracts and fractions from the rhizomes of Japanese, Giant, and Bohemian knotweeds (Reynoutria japonica (Houtt.), R. sachalinensis (F. Schmidt) Nakai, and R.× bohemica Chrtek et Chrtkova). Their effects on glycooxidation of bovine and human serum albumin were evaluated by incubation of the proteins with a mixture of glucose and fructose (0.5 M) and 150 µg/mL of extract for 28 days at 37 °C, followed by measuring early and late glycation products, albumin oxidation (carbonyl and free thiol groups), and amyloid-β aggregation (thioflavin T and Congo red assays). The highest antiglycoxidative activity, comparable or stronger than the reference drug (aminoguanidine), was observed for ethyl acetate and diethyl ether fractions, enriched in polyphenols (stilbenes, phenylpropanoid disaccharide esters, and free and oligomeric flavan-3-ols). In conclusion, the antiglycoxidative compounds from these three species should be further studied for potential use in the prevention and complementary treatment of DM.

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Strelau, M., M. Janse van Rensburg und D. R. Clements. „Dose-response methodology for variant populations of Bohemian knotweed (Reynoutria × bohemica Chrtek & Chrtková)“. Canadian Journal of Plant Science 98, Nr. 6 (01.12.2018): 1380–83. http://dx.doi.org/10.1139/cjps-2018-0043.

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The hybrid knotweed Reynoutria × bohemica Chrtek & Chrtková exhibits greater genetic variation than its parents. We developed methodology for and tested for glyphosate resistance in two Bohemian knotweed populations using rhizome fragments. There was no difference in LD50 (p = 0.3030; F = 1.067) between the populations and no evidence of resistance.

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Shevera, M. V. „Reynoutria × bohemica (Polygonaceae), a potentially invasive species of the Ukrainian flora“. Ukrainian Botanical Journal 74, Nr. 6 (27.12.2017): 548–55. http://dx.doi.org/10.15407/ukrbotj74.06.548.

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Lim, Ae-Kyung, Yu-Jung Jung, Kil-Soo Kim, Yong-Hae Kim, Jung-Hoon Kwak, Joo-Heon Hong, Hak-Yoon Kim und Dae-Ik Kim. „Skin UVB Photo Aging Effect from Extract of Fermented Reynoutria elliptica“. Journal of the Korean Society of Food Science and Nutrition 39, Nr. 3 (31.03.2010): 369–75. http://dx.doi.org/10.3746/jkfn.2010.39.3.369.

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Kára, J., E. Janča und D. Herák. „Exploitation of anaerobic fermentation of bio-degradable wastes“. Research in Agricultural Engineering 56, No. 1 (13.03.2010): 8–17. http://dx.doi.org/10.17221/20/2009-rae.

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The paper deals with assessment of biogas yield from mixtures of <I>Reynoutria</I> substrates and livestock manure. The aim was to perform laboratory experiments and suggest suitable fermenter operating conditions (dry matter content, pH, share of substrate components, thermic regime) for metanogenic digestion, then to determine its quality and assess the usability of such produced biogas.

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Bímová, Kateřina, Bohumil Mandák und Ivana Kašparová. „How does Reynoutria invasion fit the various theories of invasibility?“ Journal of Vegetation Science 15, Nr. 4 (2004): 495. http://dx.doi.org/10.1658/1100-9233(2004)015[0495:hdrift]2.0.co;2.

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Зорикова (Zorikova), Ольга (Ol'ga) Геннадиевна (Gennadievna), Артем (Artem) Юрьевич (Yur'evich) Маняхин (Manyakhin), Светлана (Svetlana) Александровна (Aleksandrovna) Боровая (Borovaya) und Светлана (Svetlana) Петровна (Petrovna) Раилко (Railko). „SEASONAL DYNAMICS OF POLYSACCHARID CONTENT IN RAW MATERIALS REYNOUTRIA JAPОNICA“. chemistry of plant raw material, Nr. 3 (12.03.2018): 33–39. http://dx.doi.org/10.14258/jcprm.2018033777.

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The dynamics of the accumulation of water-soluble polysaccharides in various organs of Reynoutria japonica Hout (Polygonaceae), harvested in the Ussuriisk region of the Primorye Territory in different phases of vegetation, has been studied. As a result of the studies, four polysaccharide fractions were isolated from the raw materials of R. japonica organs: water-soluble polysaccharides, pectin substances, hemicellulose A and B, which are fixed in all organs of the plant during the observation period.The chemical composition of R. japonica has been studied insufficiently and unilaterally. The secondary metabolites of the phenolic complex have been studied mainly, whereas there is practically no information on the carbohydrate composition, although this group of compounds plays an important role in the plant ecophysiology and shows a pronounced physiological activity. The conducted studies have established that the maximum content of biologically active polysaccharides (water-soluble polysaccharides and pectin substances) in the leaves is noted in the phase of the beginning of vegetation, in the buds of budding and flowering phases, in the roots in the phase of drying. The content of hemicellulose A and B is characterized by stability and changes insignificantly during the season.The obtained results allow to establish scientifically justified terms of raw material preparation for effective practical use.

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Bímová, Kateřina, Bohumil Mandák und Ivana Kašparová. „How does Reynoutria invasion fit the various theories of invasibility?“ Journal of Vegetation Science 15, Nr. 4 (24.02.2004): 495–504. http://dx.doi.org/10.1111/j.1654-1103.2004.tb02288.x.

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Del Tredici, Peter. „The introduction of Japanese knotweed,Reynoutria japonica, into North America“. Journal of the Torrey Botanical Society 144, Nr. 4 (Oktober 2017): 406–16. http://dx.doi.org/10.3159/torrey-d-17-00002.1.

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Ibrahimpašić, Jasmina, Vildana Jogić, Merima Toromanović, Aida Džaferović, Halid Makić und Samira Dedić. „JAPANESE KNOTWEED (REYNOUTRIA JAPONICA) AS A PHYTOREMEDIATOR OF HEAVY METALS“. Journal of Agricultural, Food and Environmental Sciences 74, Nr. 2 (2020): 45–53. http://dx.doi.org/10.55302/jafes20742045i.

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Protopopova, Vira V., Myroslav V. Shevera, Oleksandr O. Orlov und Sergiy M. Panchenko. „The transformer species of the Ukrainian Polissya“. Biodiversity Research and Conservation 39, Nr. 1 (01.09.2015): 7–18. http://dx.doi.org/10.1515/biorc-2015-0020.

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Abstract The investigation results of the transformer species participation (Echinocystis lobata (Michx.) Torr. & A. Gray, Heracleum sosnowskyi Manden., Impatiens glandulifera Royle, I. parviflora DC., Reynoutria japonica Houtt., Robinia pseudoacacia L.) in different plant communities of the Ukrainian Polissya (Forest zone of Ukraine) are presented. All the abovementioned species are strong edificators in the region that can significantly change important species composition parameters of communities and character of landscape.

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Kim, Jeong Yeon, und Chong-Wook Park. „Morphological and Chromosomal Variation in Fallopia Section Reynoutria (Polygonaceae) in Korea“. Brittonia 52, Nr. 1 (Januar 2000): 34. http://dx.doi.org/10.2307/2666492.

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TAZAKI, Fuyuki, Kohichi WATANABE, Toshitaka MURANAKA und Tomoki NOGUCHI. „Control of Reynoutria sachalinensis (Fr. Schm.) Nakai using herbicides“. Journal of the Japanese Society of Revegetation Technology 43, Nr. 1 (2017): 239–42. http://dx.doi.org/10.7211/jjsrt.43.239.

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SATO, Atsuko, und Osamu HATAKEYAMA. „Growth-inhibitory effect of the Reynoutria sachalinensis by coatings“. Journal of the Japanese Society of Revegetation Technology 46, Nr. 1 (31.08.2020): 75–78. http://dx.doi.org/10.7211/jjsrt.46.75.

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Kovarova, Marcela, Kristyna Bartunkova, Tomas Frantik, Helena Koblihova, Katerina Prchalova und Miroslav Vosatka. „Factors influencing the production of stilbenes by the knotweed, Reynoutria xbohemica“. BMC Plant Biology 10, Nr. 1 (2010): 19. http://dx.doi.org/10.1186/1471-2229-10-19.

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Candassamy, Sanjana Vijaya, Jun-Jie Wu, Xuan Zhou, Rui-Hong Wang, Zhe-Chen Qi und Xiao-Ling Yan. „The complete chloroplast genome of medicinal herb Reynoutria japonica Houtt. (Polygonaceae)“. Mitochondrial DNA Part B 5, Nr. 2 (02.04.2020): 1983–85. http://dx.doi.org/10.1080/23802359.2020.1756962.

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Mandák, B., K. Bímová, P. Pyšek, J. Štěpánek und I. Plačková. „Isoenzyme diversity in Reynoutria (Polygonaceae) taxa: escape from sterility by hybridization“. Plant Systematics and Evolution 253, Nr. 1-4 (25.05.2005): 219–30. http://dx.doi.org/10.1007/s00606-005-0316-6.

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Yasir Hussain Alrikabi, Abdulrazzaq, Viktoriia Protska, Oleksandra Kyslychenko und Iryna Zhuravel. „THE STUDY OF REYNOUTRIA SACHALINENSIS PLANT RAW MATERIAL FATTY ACID COMPOSITION“. Bulletin of Pharmaceutical Sciences. Assiut 44, Nr. 2 (01.12.2021): 397–405. http://dx.doi.org/10.21608/bfsa.2021.207158.

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Alrikabi, A. Ya, G. S. Tartynska und I. O. Zhuravel. „THE STUDY OF ELEMENT COMPOSITION OF SAKHALIN KNOTWEED (REYNOUTRIA SACHALINENSIS (F. SCHMIDT) NAKAI) PLANT MATERIAL“. Fitoterapia 1, Nr. 1 (2019): 70–72. http://dx.doi.org/10.33617/2522-9680-2019-1-70.

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Konopska, Karolina. „Invasive alien plant species of the southern part of the Nowogard Plain (NW Poland)“. Biodiversity: Research and Conservation 21, Nr. 1 (01.01.2011): 31–38. http://dx.doi.org/10.2478/v10119-011-0007-9.

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Invasive alien plant species of the southern part of the Nowogard Plain (NW Poland)Investigations on the distribution of selected invasive plant species in southern part of the Nowogard Plain were conducted in the vegetation seasons of years 2008-2010. Field studies were based on the cartogram method. The article shows the distribution of twelve selected invasive plant species:Echinocystis lobata, Heracleum sosnowskyi, Impatiens glandulifera, Impatiens parvifora, Padus serotina, Reynoutria japonica, Robinia pseudacacia, Solidago canadensis, Solidago gigantea, Quercus rubra, Rosa rugosaandAcer negundoin the study area.

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Zhang, Xin-guo, Guo-Yan Ma, Fei Kou, Wen-Jie Liu, Qiao-Yun Sun, Guang-Jun Guo, Xiao-Di Ma, Si-Jia Guo und Zhu Jian-Ning. „Reynoutria Japonica from Traditional Chinese Medicine: A Source of Competitive Adenosine Deaminase Inhibitors for Anticancer“. Combinatorial Chemistry & High Throughput Screening 22, Nr. 2 (19.06.2019): 113–22. http://dx.doi.org/10.2174/1386207322666190415100618.

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Background:Adenosine deaminase (ADA) is an important enzyme in purine metabolism and is known as a potential therapeutic target for the treatment of lymphoproliferative disorders and cancer. Traditional Chinese Herbal Medicine (TCHM) is widely used alone or in combination with chemotherapy to treat cancer, due to its ability to deliver a broad variety of bioactive secondary metabolites as promising sources of novel organic natural agents.Objective:In the present study, 29 varieties of medicinal plants were screened for the presence of ADA inhibitors.Result:Extracts from Reynoutria japonica, Glycyrrhiza uralensis, Lithospermum erythrorhizon, Magnolia officinalis, Gardenia jasminoides, Stephania tetrandra, Commiphora myrrha, Raphanus sativus and Corydalis yanhusuo demonstrated strong ADA inhibition with rates greater than 50%. However, Reynoutria japonica possessed the highest ADA inhibitory activity at 95.26% and so was used in our study for isolating the ADA inhibitor to be further studied. Eight compounds were obtained and their structures were identified. The compound H1 had strong ADA inhibitory activity and was deduced to be emodin by 1H and 13C-NMR spectroscopic analysis with an IC50 of 0.629 mM. The molecular docking data showed that emodin could bind tightly to the active site of ADA. Our results demonstrated that emodin displayed a new biological activity which is ADA inhibitory activity with high cytotoxic activity against K562 leukemia cells. The bioactivity of cordycepin was significantly increased when used in combination with emodin.Conclusion:Emodin may represent a good candidate anti-cancer therapy and adenosine protective agent.

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Pogačnik, Lea, Tina Bergant, Mihaela Skrt, Nataša Poklar Ulrih, Jitka Viktorová und Tomáš Ruml. „In Vitro Comparison of the Bioactivities of Japanese and Bohemian Knotweed Ethanol Extracts“. Foods 9, Nr. 5 (30.04.2020): 544. http://dx.doi.org/10.3390/foods9050544.

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Knotweed is a flowering plant that is native to temperate and subtropical regions in the northern hemisphere. We evaluated Japanese (Reynoutria japonica Houtt.) and Bohemian (Fallopia x bohemica) knotweed rhizome and flower ethanol extracts and compared them in terms of their biological activities. The specific polyphenols were identified and quantified using HPLC/DAD, and the antioxidant activity was determined using 2,2-diphenly-1-picrylhydrazyl (DPPH) and cellular antioxidant capacity assays. The anticancer activity was evaluated as the difference between the cytotoxicity to cancer cells compared with control cells. The antimicrobial activity was determined using bacteria and yeast. The antidiabetic activity was tested as the ability of the extracts to inhibit α-amylase. Both rhizome extracts were sources of polyphenols, particularly polydatin and (−)-epicatechin; however, the cellular assay showed the highest antioxidant capacity in the flower extract of F. bohemica. The PaTu cell line was the least sensitive toward all knotweed extracts. The flower extracts of both species were less toxic than the rhizomes. However, the activity of the tested extracts was not specific for cancer cells, indicating a rather toxic mode of action. Furthermore, all used extracts decreased the α-amylase activity, and the rhizome extracts were more effective than the flower extracts. None of the extracts inhibited bacterial growth; however, they inhibited yeast growth. The results confirmed that rhizomes of Reynoutria japonica Houtt. could become a new source of bioactive compounds, which could be used for the co-treatment of diabetes and as antifungal agents.

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Hejnowicz, Zygmunt, und Andreas Sievers. „Tissue stresses and their graviresponsive changes in stems of Reynoutria japonica Houtt“. Journal of Plant Physiology 149, Nr. 1-2 (Januar 1996): 91–101. http://dx.doi.org/10.1016/s0176-1617(96)80179-9.

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MANDÁK, BOHUMIL, PETR PYŠEK, MARTIN LYSÁK, JAN SUDA, ANNA KRAHULCOVÁ und KATEŘINA BÍMOVÁ. „Variation in DNA‐ploidy Levels of Reynoutria Taxa in the Czech Republic“. Annals of Botany 92, Nr. 2 (August 2003): 265–72. http://dx.doi.org/10.1093/aob/mcg141.

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Giuliani, C., L. Lastrucci, L. Cresti, G. Santini, B. Foggi und M. Mariotti Lippi. „The morphology and activity of the extrafloral nectaries in Reynoutria × bohemica (Polygonaceae)“. Plant Biology 21, Nr. 5 (29.05.2019): 975–85. http://dx.doi.org/10.1111/plb.13004.

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Hwangbo, Kyoung, Ming Shan Zheng, Young-Jin Kim, Jong-Yeop Im, Chong-Soon Lee, Mi-Hee Woo, Yurngdong Jahng, Hyun-Wook Chang und Jong-Keun Son. „Inhibition of DNA topoisomerases I and II of compounds from Reynoutria japonica“. Archives of Pharmacal Research 35, Nr. 9 (September 2012): 1583–89. http://dx.doi.org/10.1007/s12272-012-0909-x.

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Magacz, Marcin, Maria Oszajca, Izabela Nawrot-Hadzik, Ryszard Drożdż, Anna Jurczak, Jakub Hadzik, Aleksander Smakosz und Wirginia Krzyściak. „Phenolic Compounds of Reynoutria sp. as Modulators of Oral Cavity Lactoperoxidase System“. Antioxidants 10, Nr. 5 (26.04.2021): 676. http://dx.doi.org/10.3390/antiox10050676.

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Lactoperoxidase (LPO) together with its (pseudo)halogenation cycle substrates, H2O2 and thiocyanate ions oxidized to hypothiocyanite ions, form one of the main systems involved in antimicrobial defense within the oral cavity. In bacterial diseases such as dental caries, lactoperoxidase is oxidized to a form known as Compound II, which is characterized by its inability to oxidize SCN–, resulting in a decreased generation of antimicrobial products. Reynoutria sp. rizome extracts, due to their high polyphenol content, have been tested as a source of compounds able to regenerate the antimicrobial activity of lactoperoxidase through converting the Compound II to the native LPO state. In the presented study, acetone extracts of R. japonica, R. sachalinensis, and R. x bohemica, together with their five fractions and four selected polyphenols dominating in the studied in extracts, were tested toward lactoperoxidase reactivating potential. For this purpose, IC50, EC50, and activation percentage were determined by Ellman’s method. Furthermore, the rate constants for the conversion of Compound I–Compound II and Compound II–native-LPO in the presence of extracts, extracts fractions, and selected polyphenols were determined. Finally, the ability to enhance the antimicrobial properties of the lactoperoxidase system was tested against Streptococcus mutans. We proved that Reynoutria sp. rhizome is the source of lactoperoxidase peroxidation cycle substrates, which can act as activators and inhibitors of the antimicrobial properties of that system. The presented study shows that the reactivation of lactoperoxidase could become a potential therapeutic target in prevention and treatment support in some infectious oral diseases.

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Galasso, Gabriele, Gianniantonio Domina, Sebastiano Andreatta, Claudia Angiolini, Nicola M. G. Ardenghi, Claudio Aristarchi, Matteo Arnoul et al. „Notulae to the Italian alien vascular flora: 8“. Italian Botanist 8 (17.12.2019): 63–93. http://dx.doi.org/10.3897/italianbotanist.8.48621.

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In this contribution, new data concerning the distribution of vascular flora alien to Italy are presented. It includes new records, confirmations, exclusions, and status changes for Italy or for Italian administrative regions of taxa in the genera Bunias, Calocedrus, Calycanthus, Celosia, Clerodendrum, Convolvulus, Crassula, Cyclamen, Datura, Dicliptera, Eragrostis, Erigeron, Gamochaeta, Gazania, Impatiens, Kolkwitzia, Leucaena, Ludwigia, Medicago, Muscari, Nigella, Oenothera, Opuntia, Paulownia, Petroselinum, Phyllostachys, Physalis, Pseudosasa, Quercus, Reynoutria, Roldana, Saccharum, Sedum, Semiarundinaria, Senecio, Sisyrinchium, Solanum, Sporobolus, Tulipa, Vachellia, Verbena, and Youngia. Nomenclatural and distribution updates published elsewhere are provided as Suppl. material 1.

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Frelich, Małgorzata, und Katarzyna Bzdęga. „Management of invasive plant species in the valley of the River Ślepiotka in Katowice – the example of the REURIS project“. Environmental & Socio-economic Studies 2, Nr. 2 (01.06.2014): 26–37. http://dx.doi.org/10.1515/environ-2015-0035.

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Abstract In recent years, programmes aimed at improving environmental conditions in river valleys within urban spaces have been initiated in many of the European Community countries. An example is the project “Revitalization of Urban River Spaces – REURIS” which was implemented in 2009-2012. Its main aim was to revitalize a part of the valley of the River Ślepiotka in Katowice. One of the tasks of the project was a comprehensive treatment to combat invasive plant species occurring in this area, carried out by using a combination of chemical and mechanical methods. Chemical treatment involved the application of herbicide mixtures, and mechanical treatment included, among others, mowing and/or removal of the undesirable plants. The work focused primarily on reducing the spread of two species of the Impatiens genus: I. glandulifera and I. parviflora, and the species Padus serotina, Reynoutria japonica and Solidago canadensis. Currently, the maintenance works on this section of the river are performed by the Urban Greenery Department in Katowice, which continues the elimination of invasive plants, according to the objectives of the REURIS program. In 2012 the Department of Botany and Nature Protection at the Faculty of Biology and Environmental Protection started to monitor the implementation and the effects of the implemented actions for elimination and participated in the action of removal of selected invasive plant species: Impatiens parviflora and Reynoutria japonica within specific areas. These actions led to a reduction in the area occupied by invasive plants and a weakening of their growth rate and ability to reproduce.

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I., Kirpluk, Bomanowska A. und Otręba A. „The spread of Reynoutria species (Polygonaceae) in Kampinos National Park and its vicinity (Central Poland)“. Chornomorski Botanical Journal 15, Nr. 1 (01.04.2019): 17–25. http://dx.doi.org/10.32999/ksu1990-553x/2019-15-1-2.

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