Relevant bibliographies by topics / Astragalus

Academic literature on the topic 'Astragalus'

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Published: 4 June 2021
Last updated: 30 May 2022

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Journal articles on the topic "Astragalus"

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Li, Haifeng, Ruona Shi, Fei Ding, Hongyu Wang, Wenjing Han, Fangli Ma, Minghua Hu, Chung Wah Ma, and Zebo Huang. "Astragalus Polysaccharide Suppresses 6-Hydroxydopamine-Induced Neurotoxicity in Caenorhabditis elegans." Oxidative Medicine and Cellular Longevity 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/4856761.

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Astragalus membranaceus is a medicinal plant traditionally used in China for a variety of conditions, including inflammatory and neural diseases. Astragalus polysaccharides are shown to reduce the adverse effect of levodopa which is used to treat Parkinson’s disease (PD). However, the neuroprotective effect of Astragalus polysaccharides per se in PD is lacking. Using Caenorhabditis elegans models, we investigated the protective effect of astragalan, an acidic polysaccharide isolated from A. membranaceus, against the neurotoxicity of 6-hydroxydopamine (6-OHDA), a neurotoxin that can induce parkinsonism. We show that 6-OHDA is able to degenerate dopaminergic neurons and lead to the deficiency of food-sensing behavior and a shorter lifespan in C. elegans. Interestingly, these degenerative symptoms can be attenuated by astragalan treatment. Astragalan is also shown to alleviate oxidative stress through reducing reactive oxygen species level and malondialdehyde content and increasing superoxide dismutase and glutathione peroxidase activities and reduce the expression of proapoptotic gene egl-1 in 6-OHDA-intoxicated nematodes. Further studies reveal that astragalan is capable of elevating the decreased acetylcholinesterase activity induced by 6-OHDA. Together, our results demonstrate that the protective effect of astragalan against 6-OHDA neurotoxicity is likely due to the alleviation of oxidative stress and regulation of apoptosis pathway and cholinergic system and thus provide an important insight into the therapeutic potential of Astragalus polysaccharide in neurodegeneration.
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Ghedira, K., and P. Goetz. "Astragale : Astragalus membranaceus Bunge (Fabaceae)." Phytothérapie 16, no. 5 (October 2018): 290–94. http://dx.doi.org/10.3166/phyto-2018-0069.

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Chen, Xiang-Jian, Zhi-Ping Bian, Shu Lu, Jin-Dan Xu, Chun-Rong Gu, Di Yang, and Ji-Nan Zhang. "Cardiac Protective Effect of Astragalus on Viral Myocarditis Mice: Comparison with Perindopril." American Journal of Chinese Medicine 34, no. 03 (January 2006): 493–502. http://dx.doi.org/10.1142/s0192415x06004028.

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In clinical practice, Astragali Radix (Astragalus), the root of Astragalus membranaceus Bunge, has been widely applied to treat patients with viral diseases, including viral myocarditis in China. The present study was designed to evaluate the protective effects of Astragalus on the function of sarcoplasmic reticulum calcium ATPase (SERCA2) activity and endothelin system at acute and chronic periods of myocarditis mice induced by CVB 3 infection. Astragalus feeding (2.2 mg/kg/day) could significantly increase the survival rate, alleviate pathological alterations and serum cardiac troponin I (cTnI), as well as restore impaired SERCA activity at the acute stage. Low affinity and capacity of ETR were reversed with Astragalus after the first CVB 3 inoculation up to 7 days and after the second virus inoculation up to 150 days. In the meantime, the contents of cardiac ET-1 and ANP were reduced. Comparison the myocarditis mice treated with Perindopril (0.44 mg/kg/day), an ACE inhibitor, shows that Astragalus achieved a similar effect on survival rate, SERCA2 and ET system. These results indicated that the beneficial effects of Astragalus and Perindopril for treating viral myocarditis might be partly mediated by preserving the functions of SERCA 2 activity and ET system.
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Hai-Yan, Zhu, Gao Yong-Hong, Wang Zhi-Yao, Xu Bing, Wu Ai-Ming, Xing Yan-Wei, Liu Bei, Lou Li-Xia, and Chen Li-Xin. "Astragalus Polysaccharide Suppresses the Expression of Adhesion Molecules through the Regulation of the p38 MAPK Signaling Pathway in Human Cardiac Microvascular Endothelial Cells after Ischemia-Reperfusion Injury." Evidence-Based Complementary and Alternative Medicine 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/280493.

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Astragalus polysaccharide is a major component of radix astragali, a vital qi-reinforcing herb medicine with favorable immune-regulating effects. In a previous animal experiment, we demonstrated that astragalus polysaccharide effectively alleviates ischemia-reperfusion injury (IRI) of cardiac muscle through the regulation of the inflammatory reactions. However, the relationship between this herb and the cohesion molecules on the cell surface remains controversial. In this study, human cardiac microvascular endothelial cells (HCMECs) were used to validate the protective effects of astragalus under an IRI scheme simulated through hypoxia/reoxygenation in vitro. The results indicated that astragalus polysaccharide inhibited the cohesion between HCMECs and polymorphonuclear leukocyte (PMN) during IRI through the downregulation of p38 MAPK signaling and the reduction of cohesive molecule expression in HCMECs.
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Gjærum, Halvor B. "Studies in rusts (Uredinales) on Astragalus (Fabaceae)." Edinburgh Journal of Botany 48, no. 3 (November 1991): 393–401. http://dx.doi.org/10.1017/s0960428600003097.

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Four Uromyces species are described as new, viz. U. astragali-alopecuri sp. nov. on Astragalus alopecurus from Turkey, U. astragali-atropilosuli sp. nov. on A. atropilosulus subsp. bequaertii var. bequaertii from Kenya, occurring also in Ethiopia and Tanzania, U. astragali-pseudoutrigeris sp. nov. on A. pseudoutriger from Turkey, and U. semnanensis sp. nov. on A. fridae from Iran. Several new hosts (marked *) are reported for U. punctatus. This rust is reported as new to S America (in Chile).
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MINAEI, KAMBIZ, LIDA FEKRAT, and LAURENCE MOUND. "The genus Neoheegeria with a new species from Iran exhibiting wing-dimorphism (Thysanoptera: Phlaeothripidae)." Zootaxa 4455, no. 3 (August 3, 2018): 563. http://dx.doi.org/10.11646/zootaxa.4455.3.12.

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Neoheegeria astragali sp.n. is described as the first known member of this genus to exhibit wing-dimorphism. Collected on Astragalus sp. [Fabaceae] in Iran, it is also unique among Neoheegeria species in having the tube unusually short. Neoheegeria sinaitica is recorded from Iran for the first time, and an illustrated key is provided to the five species of Neoheegeria. Wing reduction among Haplothripini is discussed briefly, and it is concluded that most species of Neoheegeria are associated with species of Astragalus.
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KHANJANI, MOHAMMAD, BAHMAN ASALI FAYAZ, and MASOUMEH KHANJANI. "Two new species of Linotetranus (Parasitiformes: Tetranychoidea: Linotetranidae) from Iran." Zootaxa 2834, no. 1 (April 27, 2011): 47. http://dx.doi.org/10.11646/zootaxa.2834.1.4.

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This paper reports the description of two new species belonging to the family Linotetranidae from Iran, Linotetranus iraniensis sp. nov. and L. astragalusi sp. nov., collected in soil associated with gum bushes, Astragalus gossypinus Fisch. (Fabaceae). A key to all known species of the world is provided.
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BAUMANN, LESLIE S. "Astragalus." Skin & Allergy News 42, no. 7 (July 2011): 22. http://dx.doi.org/10.1016/s0037-6337(11)70383-7.

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Miyazawa, Mitsuo, and Hiromu Kameoka. "Volatile Flavor Components of ASTRAGALI RADIX (Astragalus membranaceusBunge)." Agricultural and Biological Chemistry 51, no. 11 (November 1987): 3153–54. http://dx.doi.org/10.1080/00021369.1987.10868496.

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KARAMIAN, ROYA, and MASSOUD RANJBAR. "Astragalus sect. Astragalus (Fabaceae) in Iran." Botanical Journal of the Linnean Society 147, no. 3 (March 2005): 363–68. http://dx.doi.org/10.1111/j.1095-8339.2005.00366.x.

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Dissertations / Theses on the topic "Astragalus"

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Chouana, Toufik. "Caractérisation structurale et activités biologiques des polysaccharides d'Astragalus gombo bunge." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC112/document.

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Astragalus gombo Bunge (Fabaceae) est une plante bien représentée dans le Sahara Septentrional Est Algérien (région de Ouargla, Algérie) et couramment utilisée comme fourrage pour les animaux ou en médecine traditionnelle. Malgré de nombreuses publications sur la richesse en polysaccharides d’autres espèces appartenant au genre Astragalus et la description de leurs propriétés biologiques putatives ou avérées, aucune étude ne s’est intéressée à l’espèce gombo. L’objectif de ce travail de thèse a donc été de réaliser des investigations sur plusieurs parties de cette plante en vue d’extraire, identifier et caractériser son contenu en polysaccharides. Dans un second temps les propriétés biologiques et rhéologiques de ces polymères ont été étudiées afin d’identifier d’éventuelles voies de valorisation. Les résultats obtenus ont permis de détecter la présence de composés pectiques et hémicellulosiques dans la tige d’Astragalus gombo et celle d’un galactomannane dans les graines. Le galactomannane est de haute masse moléculaire (1,1x106 Da) et est constitué d’une chaine principale de β-(1→4)-D-mannane ramifiée en α-(1→6) par des résidus Dgalactopyranoses avec un rapport M/G de 1,7. La caractérisation de ses propriétés rhéologiques a révélé un comportement typique rhéofluidifiant et des propriétés viscoélastiques. L’étude des activités biologiques associées à ce biopolymère a révélé son potentiel comme prébiotique et antioxydant
Astragalus gombo Bunge (Fabaceae) is a terrestrial plant occuring in the East Septentrional Sahara (Ouargla, Algeria). It is commonly used as fodder or in traditional medicine by local populations. Despite numerous publications focusing on polysaccharidic contents of Astragalus species and the designation of their putative or proved biological activities, no study has examined those of A. gombo. The objective of this thesis was firstly to investigate several organs of this plant for their polysaccharide contents. In a second step, the biological and rheological properties of these biopolymers have been studied to identify ways of adding value. Results led to the identification of pectic compounds and hemicelluloses in the rods of Astragalus gombo whereas a galactomannan was detected in its seeds. This galactomannan was a high molecular weight macromolecule composed of a β-(1→4)-D-mannan skeleton ramified by residues of D-galactopyranoses. The M/G ratio was of 1.7. The characterization of its rheological behavior was typic of that of a rheofluidifiant fluid with viscoelastic properties. The study of its biological properties showed its potential as prebiotic and antioxidant agent
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Wang, Meili Shannon Dennis Alan. "Cultivation practices for Astragalus membranaceus in the southeastern United States." Auburn, Ala, 2009. http://hdl.handle.net/10415/1640.

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Cabannes, Emmanuelle. "Sulphate transporters and selenium accumulation in Astragalus." Thesis, University of Nottingham, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546495.

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Dizkirici, Ayten. "Evolutionary Relationships Among Astragalus Species Native To Turkey." Phd thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614427/index.pdf.

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Evolutionary relationships within and among three Astragalus sections (Incani DC., Hypoglottidei DC., and Dissitiflori DC.) that were native to Turkey were inferred from variations of nucleotide sequences of both chloroplast and nuclear genome regions. In the current study, Fifty-six species included in the three Astragalus sections were utilized to figure out phylogenetic relationships and estimate evolutionary divergence time based on DNA sequence of trnL intron (trnL5&rsquo
-L3&rsquo
) , trnL3&rsquo
-F(GAA) (trnL-F intergenic spacer), trnV intron, matK (maturase kinase) cpDNA (chloroplast) and ITS (internal transcribed spacer) nDNA (nuclear) regions. Fifty-six Astragalus species with their replicas and one Cicer species as outgroup were analyzed by polymerase chain reaction amplification and DNA sequencing methods. Eleven unknown samples were also used in the current study to understand their section and species name. The results of the study indicated that unknown A35 and A52 samples could be named as A. dasycarpus, while unknown A65 and A66 samples as A. ovatus and lastly unknown A2 sample as A. nitens or A. aucheri. Section of unknown A3, A16, A20, A108, A109 and A110 samples were determined as Incani, but the exact species identification of these samples were not possible because of their close phylogenetic associations with more than one species. Highest genetic diversity was observed when the DNA sequences of ITS nrDNA (nuclear ribosomal) region comprising three subregions as ITS1, 5.8S and ITS2 was used, while the lowest one was calculated when DNA sequence of trnL-F cpDNA region was analyzed. The genetic divergence between Incani and Dissitiflori sections was highest whereas between Hypoglottidei and Dissitiflori was lowest based on all used regions. To figure out phylogenetic relationships among Astragalus species distributed in Turkey and in other regions of the World, DNA sequences of studied regions of foreign samples were collected from the NCBI database and were evaluated with DNA sequence of Turkish species used in the curent study. The Iranian samples either scattered in the phylogenetic tree or attached to our samples externally. South and North American samples (New World Astragalus or Neo Astragalus group) were nested within a different subcluster, which was located in the main cluster produced by samples of Old World Astragalus group (Turkish samples). With these results, we can say that New World Astragalus group is monophyletic and diverged from Old World Astragalus group. Evolutionary divergence time for Astragalus genus was estimated as about 12.5 - 14.5 million years (Ma), and that of New World Astragalus group as 5.0 - 4.0 Ma when rates of nucleotide substitutions of trnL intron and matK cpDNA regions were analyzed. In addition to evolutionary divergence time estimation for Astragalus and New World Astragalus group, divergence times among used three sections of the genus were also calculated by using DNA sequences of trnL, trnV intron and matK cpDNA regions and results indicated that Hypoglottidei and Dissitiflori sections diverged about 5.0-7.0 million years later than Incani section.
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Law, Pui Ching. "Study of the modulating effects of Astragalus saponins on tumor angiogenesis and invasiveness in colon cancer cells." HKBU Institutional Repository, 2010. http://repository.hkbu.edu.hk/etd_ra/1156.

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Sanderson, Michael John. "Patterns of homoplasy in North American Astragalus L. (Fabaceae)." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184764.

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Patterns in the distribution of homoplasy are investigated from theoretical and empirical perspectives. The history of the term "homoplasy" as used by morphologists, evolutionary systematists, cladists, and others is reviewed, especially in relation to its complement, "homology." Homoplasy is defined relative to homology, which is viewed as any similarity shared through an unbroken line of common ancestry. An investigation of levels of homoplasy based on a statistical analysis of 60 published phylogenies reveals a strong dependence of homoplasy on the number of taxa included. This relation is independent of number of characters, type of data, taxonomic rank, or organism, and suggests that large taxa should be the focus of empirical studies of homoplasy. Hence, a phylogenetic analysis of the large genus Astragalus was undertaken using 113 representative species (and varieties) found in North America. Fifty-seven binary and multistate characters were scored and the resulting matrix was subjected to numerical cladistic analysis. Two large sets of equally parsimonious trees were found at 595 and 596 steps. The sets were analyzed using consensus methods, robust clades were discussed in detail, and the phylogenies were compared to previous classifications. Character evolution of a large set of taxonomically important and morphologically varied traits was investigated. Statistical tests were developed to detect patterns of topological clustering of homoplastic character changes in cladograms. The tests use Monte-Carlo computer simulations of four null models of character evolution in an attempt to reject the hypothesis of random homoplastic distributions. For the Astragalus data set only two of 17 characters were significantly clustered, and this is close to random expectation. Another data set from the literature was also tested, and in it no characters were clustered at the 5 percent level. The explanation for these negative findings regarding homoplastic "tendencies" is explored with respect to "scope", "scale", and character "resolution," factors believed to play an important role in the analysis of character evolution.
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Watrous, Kristal M. "Reproductive Ecology of Astragalus filipes, a Great Basin Restoration Legume." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/617.

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Astragalus filipes Torrey ex. A. Gray (Fabaceae) is being studied and propagated for use in rangeland restoration projects throughout the Great Basin. Restoration forbs often require sufficient pollination services for seed production and persistence in restoration sites. Knowledge of a plant's breeding biology is important in providing pollination for maximal seed set. Reproductive output from four manual pollination treatments (autogamy, geitonogamy, xenogamy, and distant xenogamy) was examined in a common garden. Pod set, seed set, and seed germination were quantified for each of the treatments. Seed set from four wild populations was compared to that of an openly visited common garden array. A. filipes was found to be self-compatible, but to benefit greatly from outcrossing. Less seed germinated from distantly outcrossed treatments than for any other treatment, indicating possible outbreeding depression. Common garden plants set less seed per pod than any wild population, possibly due to a depauperate pollinator guild in the common garden. Bees were surveyed at wild A. filipes populations to identify common pollinators. Solitary and social bee species were observed visiting A. filipes to estimate aspects of their pollination efficacies, particularly foraging tempo and frequency of stigmatic contact. The nesting biologies of bees that visit A. filipes were considered as a component of bee manageability. Bees in the genus Osmia (Megachilidae) dominated this pollinator guild. Bombus nevadensis queens were the fastest foragers; honey bees and native solitary bees did not differ in foraging tempo. Megachilid bees consistently contacted the stigma during foraging, but honey bees exhibited sideworking behavior, contacting stigmas far less frequently than any other bee species observed. Two solitary bee species (Osmia bruneri and Hoplitis hypocrita) are recommended as prospective pollinators for management in association with Great Basin rehabilitation efforts.
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周穎茵. "黃芪多糖的化學組成及其對免疫系統調節作用的探討." HKBU Institutional Repository, 2017. https://repository.hkbu.edu.hk/etd_oa/453.

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背景黃芪是中醫藥中最常用的補益藥之一，現代研究發現其多糖類成分具有抗疲勞、抗氧他和免疫調節等作用，因此研究黃芪多糖的生理活性已成為研究黃芪藥理作用新的主流方向。由於多糖類物質分子量較大，單糖組成及組成方式多樣，所以對多糖的研究除生理活性外還需探討解析其他學特征。目的初步驗證黃芪多糖對免疫系統的生理活性及其自身他學組成，探討展望未來對黃芪多糖研究的新方向。方法本實驗採用水提醇沉法提取分離除黃芪粗多糖，經除蛋白及透析等操作純忙得到黃百多糖。採用高效凝膠色譜分離法及超高效液相色譜法分別求得黃芪多糖相對分子量大小及其單糖組成成分免疫活性探究使用RAW264.7 細胞系巨噬細胞，以脂多糖為陽性對照，採用MTT 法測試細胞毒性，計算加藥后一氧化氮及細胞因子IL-6 和TNF－α 生成量，評價黃芪多糖的免疫調節作用。結果黃芪多糖相對分子量為108.02kDa(±2.73kDa），由阿拉伯糖、葡萄糖、半乳糖、葡萄糖醛酸和半乳糖醛酸組成。MTT 實驗表明黃芪多糖對細胞無明顯毒性﹔ NO 及細胞因子IL-6 和TNF－α 生成量表明其具有免疫調節功能，且作用強度與黃芪多糖濃度在一定範圍內呈正相關。結論黃芪多糖具有免疫調節活性，但其組成成分較多，他學結構複雜，仍需要進行更多研究探討其作用機制及其他學結構與免疫調節機制的關係。【關鍵詞】黃芪多糖﹔化學組成﹔免疫活性
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Watson, Robert James. "Isolation and characterisation of the potential immunomodulatory principles from Astragalus membranaceus." University of Southern Queensland, Faculty of Sciences, 2006. http://eprints.usq.edu.au/archive/00004786/.

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[Abstract]: This thesis describes an in-vivo evaluation of ethanolic extracts of Astragalus membranaceus and fractions derived from this extract administered either orally by gavage or by intraperitoneal injection to Balb/c mice. Total antibody titre was used as an indicator of humoral immune response. Cell mediated immune response was determined using Interferon-γ and Interleukin-12 as indicators. Additionally, mice were vaccinated with a killed Salmonella typhimurium vaccine, previously demonstrated to induce humoral response but not cell mediated immunity, to determine whether the acquired immune response was enhanced or suppressed. Serum was analysed for total antibody titre using an enzyme-linked immunosorbent assay. Serum and splenocyte culture supernatants were analysed for levels of interferon-γ and interleukin-12. No statistically significant differences were observed between groups either orally gavaged or intraperitoneally injected with extracts of Astragalus membranaceus, or orally gavaged with fractions derived from this extract when compared with the control groups.
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Wong, Daniella Pui Kwan. "Investigation of the role of GRP78 and the potential therapeutic use of radix astragali in diabetic complications." HKBU Institutional Repository, 2013. http://repository.hkbu.edu.hk/etd_ra/1546.

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Books on the topic "Astragalus"

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Morisset, Pierre. La situation de l'astragale de robbins variété de fernald (Astragalus robbinsii var. fernaldii) dans l'est du Canada. Québec: Direction de la conservation et du patrimoine écologique, Ministère de l'environnement et de la faune, 1996.

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Hwanggi chaebae wa iyong. Kangwŏn-do: Nongch'on Chinhŭngch'ŏng, 2008.

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Gisler, Steven D. Applegate's milk-vetch (Astragalus applegatei): Recovery plan. Portland, Or. (911 N.E. 11th Ave., Portland 97232-4181): The Region, 1998.

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Gisler, Steven D. Applegate's milk-vetch (Astragalus applegatei): Recovery plan. Portland, Or. (911 N.E. 11th Ave., Portland 97232-4181): The Region, 1998.

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Gisler, Steven D. Applegate's milk-vetch (Astragalus applegatei): Recovery plan. Portland, Or. (911 N.E. 11th Ave., Portland 97232-4181): The Region, 1998.

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Gisler, Steven D. Applegate's milk-vetch (Astragalus applegatei): Recovery plan. Portland, Or. (911 N.E. 11th Ave., Portland 97232-4181): The Region, 1998.

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Gisler, Steven D. Applegate's milk-vetch (Astragalus applegatei): Recovery plan. Portland, Or. (911 N.E. 11th Ave., Portland 97232-4181): The Region, 1998.

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Gisler, Steven D. Applegate's milk-vetch (Astragalus applegatei): Recovery plan. Portland, Or. (911 N.E. 11th Ave., Portland 97232-4181): The Region, 1998.

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Maasoumi, A. A. Illustrated guide of the genus Astragalus in Iran. Tehran: Research Institut of Forests and Rangelands, 1990.

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North American species of Astragalus Linnaeus (Leguminosae): A taxonomic revision. Provo, Utah: Brigham Young University, 2007.

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Book chapters on the topic "Astragalus"

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Bährle-Rapp, Marina. "Astragalus gummifer." In Springer Lexikon Kosmetik und Körperpflege, 49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_860.

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Bährle-Rapp, Marina. "Astragalus sinicus." In Springer Lexikon Kosmetik und Körperpflege, 50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_862.

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Abbasi, Arshad Mehmood, Rainer W. Bussmann, and Narel Y. Paniagua-Zambrana. "Astragalus candolleanus Royle ex Benth. Astragalus chlorostachys Lindl. Astragalus hendersonii Baker Astragalus peduncularis Royle ex Benth. Fabaceae." In Ethnobotany of the Himalayas, 311–15. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57408-6_31.

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Abbasi, Mehmood Arshad, Rainer W. Bussmann, and Narel Y. Paniagua-Zambrana. "Astragalus candolleanus Royle ex Benth. Astragalus chlorostachys Lindl. Astragalus hendersonii Baker Astragalus peduncularis Royle ex Benth. Fabaceae." In Ethnobotany of the Himalayas, 1–5. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45597-2_31-1.

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Abbasi, Arshad Mehmood, Rainer W. Bussmann, and Narel Y. Paniagua-Zambrana. "Astragalus candolleanus Royle ex Benth. Astragalus chlorostachys Lindl. Astragalus hendersonii Baker Astragalus peduncularis Royle ex Benth. Fabaceae." In Ethnobotany of the Himalayas, 1–5. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45597-2_31-2.

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Bährle-Rapp, Marina. "Astragalus Membranaceus Extract." In Springer Lexikon Kosmetik und Körperpflege, 49–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_861.

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Khare, C. P. "Astragalus candolleanus Royle." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_169.

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Khare, C. P. "Astragalus hamosus Linn." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_171.

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Khare, C. P. "Astragalus sarcocola Dymock." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_172.

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Khare, C. P. "Astragalus strobiliferus Royle." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_173.

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Conference papers on the topic "Astragalus"

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Kurenkova, E. M. "Prospects for growing Astragalus chickpea (Astragalus cicer L.) as a fodder culture." In Agrobiotechnology-2021. Publishing house of RGAU - MSHA, 2021. http://dx.doi.org/10.26897/978-5-9675-1855-3-2021-191.

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Tsitsilin, A. N. "Astragalus membranaceus - a perspective medicinal plant." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-82.

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Roots of Astragalus membranaceus called "huang qi" are included in the Chinese Pharmacopoeia and have been used in Chinese traditional medicine for hundreds of years. In China, it is mainly grown in the north and northeastern part. Under the conditions of the VILAR Botanical Garden, Astragalus membranaceus blooms in the first year of life, forming viable seeds in October. In the second year of life, it forms stems that are higher (by 50-70%) than in nature.
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"COMPORTAMIENTO DE ASTRAGALUS NITIDIFLORUS BAJO DÉFICIT HÍDRICO." In XXXIV Congreso Nacional de Riegos. E.T.S. de Ingeniería Agronómica, Universidad de Sevilla, 2016. http://dx.doi.org/10.21151/cnriegos.2016.a23.

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Yang, Junhong, Qianqian Di, Jun Zhao, and Liqiu Wang. "Fractal Dimension of Pore Size Distribution Inside Matrix of Plant Materials and Drying Behavior." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22999.

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This paper studied the relationship between matrix microstructure of plant materials and drying behavior using Astragalus and Chinese Angelica root slices as examples. Astragalus and Chinese Angelica, two kinds of traditional Chinese Medicine Herb (CMH), are species of stem and root medicinal herb with the widely curative effects. Based on the measured results by using automatic surface area-porosity analyzer (at smaller scale ≤ 100nm), the volume fractal dimensions (DV) were estimated to characterize the pore size distribution inside matrix of samples dried by different drying technologies, including microwave drying at 200W and conventional hot air drying at 60 °C. In cases studied in this paper, the values of DV are well related with drying time. As compared to hot air dried sample, DV of microwave dried sample increases by 5.9% for Astragalus, while 7.7% for Chinese Angelica. In comparison with hot air drying, the microwave drying time is reduced to 1/6 (30min/180 min) for Astragalus, while 1/16 (50min/810min) for Chinese Angelica. Combined the observation of SEM images of sample, our findings is that, higher fractal dimension, less concentration of pore size distribution, better connectivity of pore or channel with multi-scale characteristics (aperture about 0.1μm–1μm, plasmodesma about 1nm–10nm, or 10Å–100Å), much loose distribution of cytoplasm inside parenchyma cells, better permeability of moisture transfer path during drying process, shorter drying time. Our results demonstrate that the volume fractal dimension (DV) of pore size distribution at smaller scale (≤ 100nm) could give a better understanding the mass transfer behavior of plant materials.
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Yang, Junhong, Qianqian Di, Jun Zhao, and Liqiu Wang. "Mechanism on Mass Transfer in Micro-Scale During the Microwave Drying of Plant Porous Materials." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88389.

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Astragalus slice is one species of stem and root medicinal herb with the widely curative effects, also a special and typical plant porous material, and the drying operation is one of important processing technologies in its storage and further practical application. This paper characterizes the microstructure of Astragalus slices dried by microwave technique at 200 W by using scanning electronic microscope (SEM). The study also compares Astragalus slices dried by microwave with those untreated and discusses the drying mechanism. Result shows that as compared to the untreated sample, the microwave dried sample behaves much shorter drying time with more and larger pore and open structure on the surface layer of matrix, but without significant change about the distribution status of cytoplasm inside parenchyma cells. Further analysis suggests that the vapor diffusion is the dominant mode of moisture transfer inside matrix during the microwave drying process of sample, resulting in the well-preserved structures of sample, including parenchyma cell and trachea. This is also helpful for maintaining the distribution status of cytoplasm, particularly avoiding the agglomeration of biological macro-molecular, which is benefit to improving the permeability of moisture transfer path, leading to the rapidly dehydration of moisture. This work seems to be helpful for developing the optimized drying technology of plant porous material focused on micro-mechanism and the quality of dried products.
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Lu, Zhengcheng, Zuobin Wang, Dayou Li, Wenyu Zhu, Rui Wang, Kaige Qu, and Jin Yan. "Effect of astragalus polysaccharides on cancer cells studied by AFM." In 2021 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO). IEEE, 2021. http://dx.doi.org/10.1109/3m-nano49087.2021.9599809.

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Лохматова, Д. Э., and М. В. Ароян. "ASTRAGALUS MEMBRANACEUS IS A PROMISING SOURCE OF BIOLOGICALLY ACTIVE SUBSTANCES." In Современные тенденции развития технологий здоровьсбережения. Москва: Федеральное государственное бюджетное научное учреждение "Всероссийский научно-исследовательский институт лекарственных и ароматических растений", 2021. http://dx.doi.org/10.52101/9785870191027_2021_379.

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Di, Qianqian, Junhong Yang, Mingdi Sun, and Liqiu Wang. "Fractal Characterization of Astragalus Slices Under Various Microwave Assisted Extraction Conditions." In ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASMEDC, 2009. http://dx.doi.org/10.1115/mnhmt2009-18284.

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Microwave has been widely used in the extraction of many samples for its unique heating mechanism, short extraction time and high yield of extract. The microstructure characteristics of plant materials are closely related with macro-property and mechanism on mass transfer within matrix. Fractal geometry, with the ability to describe irregular objects provides a new language. Astragalus slice is a special and typical plant porous media. We characterize the microstructure of Astragalus slices irradiated by microwave at 600 and 900 W by using fractal dimension, with the aim to analyze the effect of the microwave power on the extraction yield and discuss further the relationship between the fractal dimensions and microstructure changes of sample during microwave assisted extraction process. It is found that the fractal scaling law of box counting method is not suitable for the apertures on the wall of trachea inside matrix, and Slit Island and mercury injection method may be used. Fractal dimensions of samples at microwave 600 W are smaller than that at 900 W. The smaller fractal dimension is in favor of effective components dissolution inside the slices, which led to extract with the 20 min irradiation of microwave at 600 W is higher than that at 900 W.
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YANG, JUNHONG, and HENGCHUN ZHANG. "INVESTIGATIONS ON DIFFERENT DRYING TECHNOLOGY OF WATER EXTRACT OF ASTRAGALUS PIECES." In The Proceedings of the 5th Asia-Pacific Drying Conference. World Scientific Publishing Company, 2007. http://dx.doi.org/10.1142/9789812771957_0102.

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"Effect of some Treatments on Germination Improvement of Two Astragalus Species." In International Conference on Biological, Environment and Food Engineering. International Institute of Chemical, Biological & Environmental Engineering, 2014. http://dx.doi.org/10.15242/iicbe.c814066.

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Reports on the topic "Astragalus"

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Popov, Georgi, Aleksander Shkondrov, Magdalena Kondeva-Burdina, Vasil Manov, and Irena Krasteva. Effect of a Purified Saponins Mixture from Astragalus glycyphylloides on Rat Hepatocytes. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, May 2021. http://dx.doi.org/10.7546/crabs.2021.05.09.

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Huggins, T. R., B. A. Prigge, M. R. Sharifi, and P. W. Rundel. Community Dynamics and Soil Seed Bank Ecology of Lane Mountain Milkvetch (Astragalus jaegerianus Munz). Fort Belvoir, VA: Defense Technical Information Center, August 2012. http://dx.doi.org/10.21236/ada582562.

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Dong, Jun, Shuo Wang, Yuerong Gui, Dandan Wang, Xiumei Ma, Shuaihang Hu, Xinyan Wang, Ying Zhang, and Wei Hou. Astragalus membranaceus (Huang Qi) for cancer-related fatigue：A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, December 2021. http://dx.doi.org/10.37766/inplasy2021.12.0069.

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Liu, Donghao, Yanmei Zhong, Hang Yan, Yuanzhang Hu, Yuzhu Chen, and Yi Zhou. The Safety and Efficacy of Astragalus for treating diabetic foot ulcers. A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2020. http://dx.doi.org/10.37766/inplasy2020.11.0059.

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Rundel, Philip W., Barry A. Prigge, and M. R. Sharifi. The Effect of Amount and Frequency of Precipitation on Seedling Establishment and Survival of Lane Mountain Milkvetch (Astragalus jaegerianus Munz). Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada482352.

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Zhu, Zhiyue, Wenbo Yang, Qi Zhang, Le Liu, Shilin Liu, Pengjie Bao, Ziyang Yu, Chaoqun Song, and Zheng Nan. Clinical efficacy and safety of astragalus injection combined with ACEI/ARB in the treatment of diabetic kidney disease: A meta-analysis of randomized controlled trials. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, September 2021. http://dx.doi.org/10.37766/inplasy2021.9.0014.

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Cheng, Mengqi, Jiaqi Hu, Yuwei Zhao, Juling Jiang, Runzhi Qi, Shuntai Chen, Yaoyuan Li, Yinggang Qin, Honggang Zheng, and Baojin Hua. Efficacy and Safety of Astragalus-Containing Traditional Chinese Medicine Combined with Platinum-Based Chemotherapy for Advanced Gastric Cancer: A protocol of Systematic review and Meta-Analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2020. http://dx.doi.org/10.37766/inplasy2020.11.0054.

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Selenium concentrations in leaf material from Astragalus Oxyphysus (diablo locoweed) and Atriplex Lentiformis (quail bush) in the interior Coast Ranges and the western San Joaquin Valley, California. US Geological Survey, 1986. http://dx.doi.org/10.3133/wri864066.

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