Gotowe bibliografie tematyczne / Botanical chemistry

Gotowa bibliografia na temat „Botanical chemistry”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 30 lipca 2024

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Artykuły w czasopismach na temat "Botanical chemistry"

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Lu, Zhengfei, Christopher M. Thompson, Tiffany Chua, Silva Babajanian, Yanjun Zhang, Quanyin Gao, Peter Chang i Gary Swanson. "Single-Laboratory Validation of a Two-Tiered DNA Barcoding Method for Raw Botanical Identification". Journal of AOAC INTERNATIONAL 102, nr 5 (1.09.2019): 1435–47. http://dx.doi.org/10.1093/jaoac/102.5.1435.

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Abstract Background: The applications of deoxyribonucleic acid (DNA) barcoding methods have been extended from authenticating taxonomic provenance of animal products to identifying botanicals used as herbal medicine and in botanical dietary supplements. DNA barcoding methods for botanical identification must be adequately validated to meet regulatory compliance. Objective: The goal of this study is to provide a validation protocol for a two-tiered DNA barcoding method that aims to identify raw botanicals. Methods: A barcode database was computationally validated to define the barcode combinations that can unambiguously identify botanicals in the database. A maximum variation sampling technique was used to capture a wide range of perspectives relating to DNA barcode-based botanical identification, including plant parts and species distance, for the experimental validation. Twenty-two authenticated botanicals were purposively sampled from different plant parts—covering both closely related and distantly related species—to validate the two-tiered DNA barcoding method. The performance of the method was assessed on accuracy, precision, ruggedness, and uncertainty. Results: High accuracy (100%) and precision (1.0) were obtained from the validation samples. The method was also found to be rugged and have acceptable uncertainty. Conclusions: The method was validated and suitable for DNA-based identification of botanical raw materials listed in the current database. Highlights: This work will provide support guidance for manufacturers and regulatory policy makers to implement equivalent validated and compliant DNA-based testing in quality control processes to improve botanical raw material identification and authentication.
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Ferreira, Marta Salvador, Maria Catarina Magalhães, Rita Oliveira, José Manuel Sousa-Lobo i Isabel Filipa Almeida. "Trends in the Use of Botanicals in Anti-Aging Cosmetics". Molecules 26, nr 12 (11.06.2021): 3584. http://dx.doi.org/10.3390/molecules26123584.

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Botanical ingredients have been used for thousands of years in skincare for their convenience as well as the diversity and abundance in compounds with biological activity. Among these, polyphenols and especially flavonoids have gained increasing prominence due to their antioxidant and anti-inflammatory properties. In this study, the most used botanical preparations in anti-aging products marketed in 2011 were determined. The analysis was repeated in 2018 for new and reformulated products. The scientific evidence for their application as active ingredients in anti-aging cosmetics and their flavonoid content was also compiled by searching in online scientific databases. Overall, in 2018, there was a noticeable increase in the use of botanical preparations in anti-aging cosmetics. However, the top three botanical species in both years were Vitis vinifera, Butyrospermum parkii, and Glycine soja, which is consistent with the greater amount of scientific evidence supporting their efficacy. Regarding the function of botanical preparations, there is a clear preference for DNA-protecting ingredients. The most prevalent flavonoids were flavan-3-ols, proanthocyanidins, and anthocyanins. This study provided an updated overview of the market trends regarding the use of botanicals in anti-aging products and documented the state of the art of scientific evidence for the most used plants.
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Sherma, Joseph. "High-Performance Liquid Chromatography/Mass Spectrometry Analysis of Botanical Medicines and Dietary Supplements: A Review". Journal of AOAC INTERNATIONAL 86, nr 5 (1.09.2003): 873–81. http://dx.doi.org/10.1093/jaoac/86.5.873.

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Abstract This article reviews research on the qualitative and quantitative analysis by high-performance column liquid chromatography/mass spectrometry (LC/MS) and LC/tandem mass spectrometry (LC/MS/MS) of botanical drugs, drug substances or preparations, and finished botanical products. In addition, LC/MS and LC/MS/MS techniques and commercial instruments are described and compared briefly, and prospects for future use of these methods for the analysis of botanicals are suggested. Some applications of direct MS without LC are also described.
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Davey, Stephen G. "Botanical bonanza". Nature Reviews Chemistry 5, nr 4 (17.03.2021): 222. http://dx.doi.org/10.1038/s41570-021-00271-8.

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SALVARCI, Simge, i F. Kubra AYLAN. "Visitor Comments about Botanic Parks and Gardens in the Context of Botanical Tourism". Journal of Tourism Management Research 8, nr 2 (28.12.2021): 173–83. http://dx.doi.org/10.18488/journal.31.2021.82.173.183.

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Botanical parks and gardens present different natural beauties together and allow the recognition of flora varieties. Within the scope of botanical tourism, botanical parks and gardens constitute one of the important visiting points of tourists. In this study, visitor comments on botanical parks / gardens are analyzed. Qualitative research method was used in the study. The study data consists of visitor comments on TripAdvisor website for "Ankara Botanical Park", "Atatürk Botanical Park", "Gaziantep Botanical Park", "Karaca Botanical Garden" and "Nezahat Gökyiğit Botanical Garden" in Turkey between May 2014 and November 2020. In the study, when the visitor's comments were evaluated, it was concluded that the comments on the botanical parks and gardens consisted of panoramic, peaceful / relaxing, lush place, nostalgic, natural wonder, tree museum codes. In addition to these, it was concluded that activities such as walking and sports, picnics, photographing, viewing the scenery, resting, and obtaining information about flora can be done by visitors in these parks and gardens.
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Prior, Ronald L., i Guohua Cao. "Analysis of Botanicals and Dietary Supplements for Antioxidant Capacity: A Review". Journal of AOAC INTERNATIONAL 83, nr 4 (1.07.2000): 950–56. http://dx.doi.org/10.1093/jaoac/83.4.950.

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Abstract Free radicals and other reactive species are considered to be important causative factors in the development of diseases of aging such as cancer and cardiovascular diseases. This relationship has led to considerable interest in assessing the antioxidant capacity of foods and botanicals and other nutritional antioxidant supplements. The use of the oxygen radical absorbance capacity (ORAC) assay as a tool for antioxidant assessment is described and proposed as a method for comparing botanical sources and for standardizing nutritional supplements. The free radical or oxidant source is important and direct comparisons cannot be made between procedures that use different sources. The ORAC procedure uses 2,2′-azobis(2-amidinopropane) dihydrochloride as a peroxyl radical source, which is relevant to biological systems because the peroxyl radical is the most abundant free radical. Other oxidant sources (hydroxyl radical and Cu++) can also be used to characterize antioxidants in botanicals. Phenolics or polyphenolics are responsible for most of the antioxidant capacity in fruits, vegetables, and most botanical antioxidant supplements. Although little is known about the absorption and metabolism of these components, improvement in the in vivo antioxidant status has been observed in human subjects following consumption of antioxidant botanicals. The ORAC method provides a basis from which to establish appropriate dietary intakes that might impact health outcomes.
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Ong, Eng-Shi, Yuk-Lin Yong i Soo-On Woo. "Determination of Lead in Botanicals/Chinese Prepared Medicines by Using Microwave Digestion with Flow Injection–Inductively Coupled Plasma–Mass Spectrometry". Journal of AOAC INTERNATIONAL 83, nr 2 (1.03.2000): 382–90. http://dx.doi.org/10.1093/jaoac/83.2.382.

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Abstract A simple, sensitive, and rapid method was developed for the determination of lead in botanicals and Chinese prepared medicines (CPM) by using closed-vessel microwave digestion with flow injection–inductively coupled plasma–mass spectrometry. The limits of detection and quantitation for the method, based on 0.5 g digested sample, were calculated to be 0.10 and 0.61 mg/kg, respectively. A simple approach was proposed for calibration by multiple linear regression (MLR) with 207Pb, 206Pb, and 204Pb for the determination of lead in botanical and CPM samples. The results from calibration by MLR were compared with those obtained by conventional modes using 207Pb and the sum of 207Pb and 206Pb. The results obtained by the different modes of calibration were in good agreement for botanical and CPM samples. The method was found to have good accuracy for the analysis of botanical reference materials. Method precision based on analyses of different types of CPM samples by different analysts on different days for different levels of lead was between 3.0 and 8.0% (relative standard deviation, n = 6). The effect of possible matrix interference caused by nitric acid and the extent of digestion was investigated with the method of standard additions. Significant matrix interference was not observed for the CPM samples analyzed. MLR was used to examine the effect of variation in isotopic abundance, which was found to present no significant problem in the determination of lead in the botanical and CPM samples.
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Patil, D. S., i N. S. Chavan (Mulik). "BIOEFFICACY OF SOME BOTANICALS AGAINST THE SUGARCANE WOOLLY APHID, CERATOVACUNA LANIGERA ZEHNTER". Journal of Biopesticides 02, nr 01 (1.06.2009): 44–47. http://dx.doi.org/10.57182/jbiopestic.2.1.44-47.

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ABSTRACT Ceratovacuna lanigera Zehnter is a serious pest of sugarcane in many parts of India including Maharashtra and Karnataka. In the light of recent increased interest in developing plant based secondary chemistry into products suitable for integrated pest management, the objective of the present study was to investigate the impact of Acacia concianna, Acorus calamus, Momordica charantia, and Annona squamosa on Ceratovacuna lanigera Zehnter under in vitro and in vivo conditions. Among the tested plants, A. concianna was found to be more effective than other plants. Two rounds of applications of four botanicals along with control were made and the incidence of aphid (Ceratovacuna lanigera Zehnter) on sugarcane was recorded. The results indicated that C.I. mortality was concentrations and exposure time dependent one. Among the four botanicals Acacia concianna was the most toxic botanical under laboratory condition. Similar impact was also recorded under field condition too.
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Rattray, Ryan D., i Ben-Erik Van Wyk. "The Botanical, Chemical and Ethnobotanical Diversity of Southern African Lamiaceae". Molecules 26, nr 12 (18.06.2021): 3712. http://dx.doi.org/10.3390/molecules26123712.

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The Lamiaceae is undoubtedly an important plant family, having a rich history of use that spans the globe with many species being used in folk medicine and modern industries alike. Their ability to produce aromatic volatile oils has made them valuable sources of materials in the cosmetic, culinary, and pharmaceutical industries. A thorough account of the taxonomic diversity, chemistry and ethnobotany is lacking for southern African Lamiaceae, which feature some of the region’s most notable medicinal and edible plant species. We provide a comprehensive insight into the Lamiaceae flora of southern Africa, comprising 297 species in 42 genera, 105 of which are endemic to the subcontinent. We further explore the medicinal and traditional uses, where all genera with documented uses are covered for the region. A broad review of the chemistry of southern African Lamiaceae is presented, noting that only 101 species (34%) have been investigated chemically (either their volatile oils or phytochemical characterization of secondary metabolites), thus presenting many and varied opportunities for further studies. The main aim of our study was therefore to present an up-to-date account of the botany, chemistry and traditional uses of the family in southern Africa, and to identify obvious knowledge gaps.
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Upton, Roy, Bruno David, Stefan Gafner i Sabine Glasl. "Botanical ingredient identification and quality assessment: strengths and limitations of analytical techniques". Phytochemistry Reviews 19, nr 5 (9.07.2019): 1157–77. http://dx.doi.org/10.1007/s11101-019-09625-z.

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Abstract Interest in botanical medicines is increasing worldwide with current global market values estimated to be greater than US $72 billion. To ensure ingredients used in botanical preparations are appropriately identified and will deliver the intended benefit while minimizing potential for risk, good manufacturing practices (GMPs) are required. GMPs require that scientifically valid analytical techniques be used. This review discusses a variety of techniques of quality assessment taking into account the different challenges between academicians and manufacturers with the basic premise that all techniques are scientifically valid if used appropriately, and conversely, are limited if not used in a scientifically valid manner. The strengths and limitations, applications and inapplicability, of some of these techniques will be discussed, as will differences between traditional and more modern analytical techniques. A strong emphasis is placed on classical botanical and traditional macromorphological assessment techniques that represent the basis of identification and quality assessment upstream of other techniques such as analytical chemistry and genetics. It will be shown that it is the suite of botanical and chemical techniques that provides the greatest confidence for ensuring the identity and quality of botanical medicines.
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Rozprawy doktorskie na temat "Botanical chemistry"

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Bonetti, Sandra J. "Studies on the isolation and biotransformation of pyrrolizidine alkaloids and related bioactive compounds". Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/30244.

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Briars, Sally-Anne. "The calmodulin stimulated ATPase of Zea mays L". Thesis, University of Oxford, 1989. http://ora.ox.ac.uk/objects/uuid:afa92f78-633d-4ae5-8cf5-37ac077acab2.

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Maize coleoptile microsomal vesicles showing calmodulin-stimulated ATPase activity were isolated from 4.5 day old dark grown seedlings. Calmodulin-stiirmlated ATPase activity was maximal (8 nmoles min-1 (mg protein)-1) at 0.35 μM, inhibited by orthovanadate (Iso=20 μM), and specific for ATP. Calmodulin affinity chromatography was used to purify this ATPase after solubilisation with Triton X-100. Calmodulin-stimulated ATPase activity was present in the purified fraction, maximal stimulation (340 nmoles min-1 (mg protein)-1) occurring at 0.3 μM calmodulin. After reconstitution into asolectin liposomes, maximal calmodulinstimulated ATPase activity (500 nmoles min-1 (mg protein)-1) occurred at 0.025 μM. Affinity chromatography using buffers containing asolectin produced true basal activities; maximal calmodulin stimulation was at 0.01 μM (100 nmoles min-1 (mg protein)-1). These results suggest that a calmodulin-stimulated ATPase was purified from the microsomal fraction. Inclusion of protease inhibitors (PMSF, chymostatin) during purification and electrophoresis yielded a polypeptide of 140,000 Mr, similar to the Mr of erythrocyte calmodulin-stimulated, calcium-pumping ATPase (CSCPA). Polypeptides of Mr 91,000, 77-69,000, 51,000, and 40,000 were also present. A monospecific polyclonal antibody raised against erythrocyte CSCPA recognised the 140,000 Mr polypeptide from maize, giving strong evidence that maize cells may contain a polypeptide similar to erythrocyte CSCPA. The reaction mechanism of the proposed maize CSCPA was investigated. After purification in the presence of PMSF phosphorylation was present at 140,000 Mr; this turned over rapidly, was sensitive to hydroxylamine, dependent on calcium, inhibited by lanthanum and stimulated by calmodulin. This was consistent with formation of an acyl-phosphate intermediate, indicating that maize CSCPA is a P-type ATPase, having a reaction mechanism similar to that of the erythrocyte CSCPA. A monoclonal antibody (EA6) was raised to maize CSCPA purified without PMSF; this antibody recognised intact maize CSCPA and inhibited calmodulin-stimulated ATPase activity in microsomal fractions. This antibody also bound to other polypeptides present in microsomal and purified fractions, permitting tentative identification of proteolysis products.
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Mostafa, Wael M. Abdel-Mageed. "Investigations of secondary metabolites from marine organisms". Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources. Online version available for University member only until Sep. 1, 2014, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=53365.

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Tan, Lor-Wai. "Biochemical aspects of self-incompatibility in Petunia hybrida". Title page, Contents and Summary only, 1988. http://web4.library.adelaide.edu.au/theses/09A/09at161.pdf.

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King, Douglas Iain. "Kangaroo Island Propolis: Improved Characterisation and Assessment of Chemistry and Botanical Origins through Metabolomics". Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17080.

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Introduction: Propolis, a sticky substance produced by bees from plant resins, has a long history of safe use medicinally. Kangaroo Island, SA (KI) lacks many introduced European plants bees preferentially collect resin from; consequentially, propolis from KI is produced from resinous native plants. Several identifiably reproducible pure-source KI propolis types exist. Research into medical use of compounds from KI native plants is limited. Metabolomics is a growing field of interest in natural products chemistry, including beehive products. Metabolomic and similarity-scoring assessment of KI propolis, through statistical evaluation of 1D 1H-NMR fingerprints, provides an entry point for research into medical use of KI native plant compounds. Many avenues to product discovery in pharmaceutical chemistry are suffering diminishing returns: metabolomics-guided natural products assessment has the potential for further identification of novel therapeutic compounds from resinous plants. Aim: To assess and identify, via metabolomic investigation of NMR fingerprints, major propolis types on KI, and to produce, from this, similarity-scoring tools for assessment of propolis samples. Method: KI propolis samples, identified as pure-source by TLC, and resinous KI plants were analysed by 1H-NMR and HPLC. Data points of interest were normalised and binned to form individual sample ‘fingerprints’. Data from these fingerprints were analysed by hierarchical clustering and principal component analysis (PCA) to confirm provisionally-identified pure-source propolis types and identify subtypes within propolis and resinous plant species. From this, calculator tools were created to score similarity (out of 1000) of 1H-NMR fingerprints to the average spectrum of pure-source propolis types, as well as to calculated mixtures of these average spectra. Assessment of the chemistry of two major KI propolis types identified (CP- and F-type) was made by fractionation and NMR, with one compound, 6,8-diprenyleriodictyol, isolated from CP-type propolis in quantity, submitted for epigenetic and other biological assays. Results: Source resinous plants were demonstrated, through hierarchical clustering and PCA, to cluster with propolis types arising from these sources, with closely related plants and sub-chemotypes clustering separately, confirming specificity. A number of previously-identified pure-source propolis types and known botanical sources were shown to have very high similarity (> 800/1000) to the expected propolis type. Calculator tools were observed to accurately predict the content of mixed propolis samples to within ± 10%. A number of methylflavanones, and two novel terminally-hydroxylated prenyldihydrochalcones were isolated from F-type propolis. 6,8-diprenyleriodictyol demonstrated a range of promising activity in biological assays. Conclusion: Metabolomic evaluation of 1H-NMR fingerprints can reliably identify and assess pure-source KI propolis and identify botanical origin of source resins. Similarity scoring calculators can accurately identify mixed-source propolis samples. KI propolis types are a rich source of pharmaceutically-interesting flavanones and related compounds, many of which are prenylated. 6,8-diprenyleriodictyol displays strong anti-inflammatory and anticancer activity, especially against Burkitt’s lymphoma. A number of possible epigenetic pathways for this activity were observed.
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WILSON, HEATHER-ANNE MARIE. "OPTIMIZING THE RELEASE OF BOTANICAL INGREDIENTS FROM ANTIPERSPIRANTS/DEODORANTS". University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1069796149.

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Logie, Catherine Gwynedd. "The pyrrolizidine alkaloids of Senecio chrysocoma and Senecio paniculatus". Thesis, Rhodes University, 1996. http://hdl.handle.net/10962/d1005000.

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In order to compare the pyrrolizidine alkaloid content of two closely related species, Senecio chrysocoma and S. paniculatus, nine populations of plants distributed between the two species, were examined. Three novel pyrrolizidine alkaloids, 7ß-angelyl-l-methylene-8∝-pyrrolizidine, 7ß-angelyl-l-methylene-8∝-pyrrolizidine and 7ß-angelyl-l-methyleneSO!-pyrrolizidine-4-oxide, as well as eight known pyrrolizidine alkaloids, 7-angelylhastanecine, 9-angelylhastanecine, 7-angelylplatynecine, 9-angelylplatynecine, 9-angelylplatynecine-4-oxide, sarracine, neosarracine and retrorsine, were isolated and identified by NMR and GC-MS techniques. Traces of five tiglyl isomers, 9-tiglylplatynecine, 9-tigl ylplatynecine-4-oxide, 7ß-tiglyl-l-methylene-8∝-pyrrolizidine, sarranicine and neosarranicine, were also isolated and tentatively identified; however, these compounds could have been artefacts of the extraction and analytical procedures. While both species of plant investigated, S. chrysocoma and S. paniculatus, were found to be morphologically different, their pyrrolizidine alkaloid content was, in fact, very similar. The presence of retrorsine in S. paniculatus plant extracts, but not in those from S. chrysocoma plants, was the only major chemical difference observed. It is perhaps significant that retrorsine was the only macrocyclic pyrrolizidine to be identified. A comprehensive, computerised database of physical data for pyrrolizidine alkaloids has been compiled, which has facilitated the identification of new pyrrolizidines and the examination of trends in proton and carbon-13 NMR data for pyrrolizidine alkaloids. A stereospecific synthesis of 7ß-angelyl-l-methylene-8∝-pyrrolizidine was undertaken toconfirm the absolute stereochemistry of the product isolated from S. chrysocoma and S. paniculatus. An inseparable 5:2 mixture of 7ß-angelyl-l-methylene-8∝-pyrrolizidine and 7ß-angelyl-l,2-didehydro-l-methyl-8∝-pyrrolizidine, together with a small amount of tiglyl isomer, was finally synthesised. The application of various chiral differentiating chromatographic and spectroscopic techniques confirmed that both the natural and synthetic products had the same stereochemistry, permitting the natural alkaloid to be identified as 7ß-angelyl-methylene-8∝-pyrrol izidine
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Chan, Kwok-yin. "A review on the effects of ginsenoside on cardiovascular diseases and the phytochemistry of ginsenoside extracts from panax notoginseng". Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23424886.

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Mousa, Souad Abd. "Photochemistry of β-carbolines and azine dyes in solution and colloidal systems". Thesis, Swansea University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678433.

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Ulbrik, Teresa Yolanda Lustosa. "Cellulolytic fermentation by clostridium thermocellum". Thesis, Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/10027.

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Książki na temat "Botanical chemistry"

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Krasilʹnikova, L. O. Biokhimii︠a︡ roslyn. Kharkiv: Vydavnycha hrupa "Osnova", 2007.

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Robinson, Trevor. The organic constituents of higher plants: Their chemistry and interrelationships. Wyd. 6. North Amherst, MA: Cordus Press, 1991.

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Bowsher, Caroline. Plant biochemistry. New York: Garland Science, 2008.

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Robinson, Trevor. The organic constituents of higher plants: Their chemistry and interrelationships. Wyd. 6. North Amherst, MA: Cordus Press, 1991.

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Lajide, Labunmi Adigun. Plants: God's own giant chemical factories. [Akure]: Federal University of Technology, 2002.

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1919-, Stumpf P. K., Conn Eric E. 1923- i Marcus Abraham, red. The Biochemistry of plants: A comprehensive treatise. San Diego: Academic Press, 1989.

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Singh, V. K. Chemistry and medicinal value. Houston, Tex: Studium Press, 2009.

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A, Smith Terence, i Galston Arthur William 1920-, red. Polyamines in plants. Dordrecht: M. Nijhoff/W. Junk, 1985.

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Haslam, Edwin. Practical polyphenolics: From structure to molecular recognition and physiological action. Cambridge, UK: Cambridge University Press, 1998.

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Turkey) International Symposium on the Chemistry of Natural Compounds (8th 2009 Eskişehir. 8th International Symposium on the Chemistry of Natural Compounds (8th SCNC): 15-17 June 2009, Anadolu University, Faculty of Pharmacy, Eskisehir, Turkey. Eskişehir, Turkey: Anadolu Üniversitesi, 2009.

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Części książek na temat "Botanical chemistry"

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Singh, Bikarma, i Anil Kumar Katare. "Botanical Sources, Chemistry Aspects and Biological Functions of Berberine: An Updated Critical Review". W Botanical Leads for Drug Discovery, 421–62. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5917-4_20.

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Bitchagno, Gabin Thierry M., Vaderament-A. Nchiozem-Ngnitedem, Sylvain Valere Sob i Serge Alain Fobofou. "Chemistry and Biological Activities of Cameroonian Hypericum Species". W Natural Products Chemistry of Botanical Medicines from Cameroonian Plants, 23–35. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429506734-2.

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Canlı, Deniz, i Nesrin Ecem Bayram. "Pollen Morphology and Anatomy with Botanical Preferences Made by Bees: An Introduction Data". W Pollen Chemistry & Biotechnology, 1–15. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-47563-4_1.

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Anwar, Awais, Murree Groom, Miriam Arbach i Chris J. Hamilton. "How to Turn the Chemistry of Garlic into a ‘Botanical’ Pesticide". W Recent Advances in Redox Active Plant and Microbial Products, 323–41. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8953-0_12.

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Mbosso Teinkela, Jean Emmanuel. "Cameroonian Allanblackia Species". W Natural Products Chemistry of Botanical Medicines from Cameroonian Plants, 183–200. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429506734-8.

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Tapondjou, Léon Azefack, Rémy Bertrand Teponno, Beaudelaire Kemvoufo Ponou, Romuald Tematio Fouedjou i Luciano Barboni. "Biologically Active Saponins from Some Cameroonian Medicinal Plants". W Natural Products Chemistry of Botanical Medicines from Cameroonian Plants, 37–81. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429506734-3.

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Maduabuchi, Ezealisiji Kenneth. "Chemometric Evaluation of Phytochemical Principles in Cameroonian Plants". W Natural Products Chemistry of Botanical Medicines from Cameroonian Plants, 99–122. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429506734-5.

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Ewane, Bazil Ekuh, Benjamin C. Ozumba, Patience O. Osadebe, Philip F. Uzor i Xavier Siwe-Noundou. "Medicinal Plants from Cameroon for Obstetric and Gynecological Uses". W Natural Products Chemistry of Botanical Medicines from Cameroonian Plants, 123–40. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429506734-6.

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Kima, Tanyi M., i Eleonora D. Goosen. "Ondongdong si (Acmella caulirhiza Delile), a Medicinal Plant from Cameroon". W Natural Products Chemistry of Botanical Medicines from Cameroonian Plants, 141–81. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429506734-7.

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Tsakem, Bienvenu, Beaudelaire Kemvoufo Ponou, Billy Tchegnitegni Toussie, Romuald Fouedjou Tematio, Xavier Siwe Noundou, Rui W. M. Krause, Rémy Bertrand Teponno i Léon Azefack Tapondjou. "The Genus Olax". W Natural Products Chemistry of Botanical Medicines from Cameroonian Plants, 1–21. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429506734-1.

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Streszczenia konferencji na temat "Botanical chemistry"

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Rismayani, Luluk Sutji Marhaeni i Wiratno. "Bioassay of botanical insecticide formulas against Nilaparvata lugens Stahl (Hemiptera: Delphacidae)". W INTERNATIONAL CONFERENCE ON ORGANIC AND APPLIED CHEMISTRY (ICOAC) 2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0184280.

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Kuswantoro, Farid, i Dewi Lestari. "Report on Bali Botanic Garden seed bank education program". W 2ND INTERNATIONAL CONFERENCE ON EMERGING SMART MATERIALS IN APPLIED CHEMISTRY (ESMAC-2021): ESMAC-2021. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0109983.

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Raporty organizacyjne na temat "Botanical chemistry"

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Shani, Uri, Lynn Dudley, Alon Ben-Gal, Menachem Moshelion i Yajun Wu. Root Conductance, Root-soil Interface Water Potential, Water and Ion Channel Function, and Tissue Expression Profile as Affected by Environmental Conditions. United States Department of Agriculture, październik 2007. http://dx.doi.org/10.32747/2007.7592119.bard.

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Streszczenie:
Constraints on water resources and the environment necessitate more efficient use of water. The key to efficient management is an understanding of the physical and physiological processes occurring in the soil-root hydraulic continuum.While both soil and plant leaf water potentials are well understood, modeled and measured, the root-soil interface where actual uptake processes occur has not been sufficiently studied. The water potential at the root-soil interface (yᵣₒₒₜ), determined by environmental conditions and by soil and plant hydraulic properties, serves as a boundary value in soil and plant uptake equations. In this work, we propose to 1) refine and implement a method for measuring yᵣₒₒₜ; 2) measure yᵣₒₒₜ, water uptake and root hydraulic conductivity for wild type tomato and Arabidopsis under varied q, K⁺, Na⁺ and Cl⁻ levels in the root zone; 3) verify the role of MIPs and ion channels response to q, K⁺ and Na⁺ levels in Arabidopsis and tomato; 4) study the relationships between yᵣₒₒₜ and root hydraulic conductivity for various crops representing important botanical and agricultural species, under conditions of varying soil types, water contents and salinity; and 5) integrate the above to water uptake term(s) to be implemented in models. We have made significant progress toward establishing the efficacy of the emittensiometer and on the molecular biology studies. We have added an additional method for measuring ψᵣₒₒₜ. High-frequency water application through the water source while the plant emerges and becomes established encourages roots to develop towards and into the water source itself. The yᵣₒₒₜ and yₛₒᵢₗ values reflected wetting and drying processes in the rhizosphere and in the bulk soil. Thus, yᵣₒₒₜ can be manipulated by changing irrigation level and frequency. An important and surprising finding resulting from the current research is the obtained yᵣₒₒₜ value. The yᵣₒₒₜ measured using the three different methods: emittensiometer, micro-tensiometer and MRI imaging in both sunflower, tomato and corn plants fell in the same range and were higher by one to three orders of magnitude from the values of -600 to -15,000 cm suggested in the literature. We have added additional information on the regulation of aquaporins and transporters at the transcript and protein levels, particularly under stress. Our preliminary results show that overexpression of one aquaporin gene in tomato dramatically increases its transpiration level (unpublished results). Based on this information, we started screening mutants for other aquaporin genes. During the feasibility testing year, we identified homozygous mutants for eight aquaporin genes, including six mutants for five of the PIP2 genes. Including the homozygous mutants directly available at the ABRC seed stock center, we now have mutants for 11 of the 19 aquaporin genes of interest. Currently, we are screening mutants for other aquaporin genes and ion transporter genes. Understanding plant water uptake under stress is essential for the further advancement of molecular plant stress tolerance work as well as for efficient use of water in agriculture. Virtually all of Israel’s agriculture and about 40% of US agriculture is made possible by irrigation. Both countries face increasing risk of water shortages as urban requirements grow. Both countries will have to find methods of protecting the soil resource while conserving water resources—goals that appear to be in direct conflict. The climate-plant-soil-water system is nonlinear with many feedback mechanisms. Conceptual plant uptake and growth models and mechanism-based computer-simulation models will be valuable tools in developing irrigation regimes and methods that maximize the efficiency of agricultural water. This proposal will contribute to the development of these models by providing critical information on water extraction by the plant that will result in improved predictions of both water requirements and crop yields. Plant water use and plant response to environmental conditions cannot possibly be understood by using the tools and language of a single scientific discipline. This proposal links the disciplines of soil physics and soil physical chemistry with plant physiology and molecular biology in order to correctly treat and understand the soil-plant interface in terms of integrated comprehension. Results from the project will contribute to a mechanistic understanding of the SPAC and will inspire continued multidisciplinary research.
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