نتایج جستجو برای: astragalus sp
تعداد نتایج: 122629 فیلتر نتایج به سال:
The Rhizobium vignae strain CCBAU 05176(T) was isolated from a root nodule of Astragalus dahuricus grown in Hebei Province, China. It grows on yeast mannitol agar (YMA) supplemented with 0 to 2% (wt/vol) NaCl. We report the annotated genome sequence of this strain in a 6.34-Mb scaffold.
One new cycloartane-type saponin, 3-O-[β-D-xylopyranosyl-(1→2)-β-D-xylopyranosyl]-6-O-β-Dglucuronopyranosyl-3β,6α,16β,24(S),25-pentahydroxyxyxloartane (1) was isolated from the MeOH extract of whole plant parts of Astragalus erinaceus along with 5 known saponins (2-6), cyclodissectoside, cycloastragenol, 6-O-β-D-glucopyranosyl-3β,6α,16β,24(S),25-pentahydroxycycloartane, oleifolioside B and 3,6d...
گونههای Astragalus altiusculusو Astragalus pauxillisبه عنوان گونههای جدیدی از ایران شرح داده میشوند. زیر گونه Astragalus hymenocystis subsp. confiniorum Zarre & Podlch به خاطر تناقض با کلاستر UPGMA به سطح گونه ارتقا مییابد و برای آن شرح جدید لاتین نوشته میشود، و چون نام "confiniorum " در سطح گونه از قبل موجود بوده است، لذا برای آن نام جدید انتخاب میگردد. این گونهها هر سه انحصاری ایران بو...
BACKGROUND Non-small-cell lung cancer (NSCLC) is a leading cause of death. Interventions to reduce mortality in patients with NSCLC represent a patient-important field of research. Little is known about interventions used outside the Western world for NSCLC. One intervention widely used in Asia is astragalus-based herbal preparations. METHODS We conducted a comprehensive systematic review of ...
Abstract Medicinal plants always are part of folk medicine and nowadays receiving worldwide attention for prophylaxis, management, treatment several diseases, as an alternative to chemical drugs. The current work provided a comprehensive overview analysis the Astragalus health relationship in literature. their therapeutic potential is thus instrumental understand bioactivity. Among these, flowe...
Radix Astragali, the root of Astragalus (A.) membranaceus, has been applied in a variety of diseases for a long time in Asian countries such as Korea and China. In addition, the aerial parts such as leaves and stems of A. membranaceus have received a great deal of attention. Recently, the polysaccharide fraction showing a potent immunomoduating activity was isolated from the aerial parts of A. ...
The content of total phenolics in roots, leaflets and seeds of a number of Astingulus species from Iran was examined. Phenolics content of the aqueous and methanolic extracts of the species were determined spectrophotometrically. Phenolics content depend on factors such as the species, geographical location of the plants and the organs. Moreover, the content of phenolics depends on the extracti...
The conservation of rare plant species hinges on our ability to identify the underlying mechanisms that limit rare plant populations. Theory on rarity suggests that both predispersal seed predation and competition can be important mechanisms influencing abundance and/or distribution of rare plant populations. Yet few studies have tested these interactions, and those that have evaluated each mec...
Radix Astragali (RA), known as "Huangqi" in China, is one of the most popular herbal medicines known worldwide to reinforce "Qi". RA is traditionally prepared from the dried roots of Astragalus membranaceus (MJHQ) and A. membranaceus var. mongholicus (MGHQ). Radix Hedysari is named "Hongqi" (HQ), which is similar to RA. We assessed and compared the chemical constituents and bioactivity of RA an...
سیب زمینی چهارمین محصول مهم غذایی در جهان است. این گیاه در معرض بیماری های قارچی، باکتریایی، ویروسی و مایکوپلاسمایی زیادی است که به آن خسارت وارد می کنند. بیماری ناشی از نماتد سیست طلایی سیب زمینی (globodera rostochiensis )یکی از مهمترین بیماری های این محصول است که اولین بار در ایران در سال 1387 از استان همدان گزارش شد. در این پژوهش،در بهار و تابستان 1389، از مزارع سیب زمینی آلوده در شهرستان ها...
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