Prenylisoflavone Derivatives from the Roots of Hedysarum scoparium
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چکیده
منابع مشابه
The Sap Flow Dynamics and Response of Hedysarum scoparium to Environmental Factors in Semiarid Northwestern China
Hedysarum scoparium is an important, fast-growing and drought-resistant shrub that has been extensively used for grassland restoration and preventing desertification in semiarid regions of northwestern China. The primary objective of this study was to investigate the diurnal and seasonal variations in stem sap flow (Js) and its relation to environmental factors. The stem heat balance method was...
متن کاملC4 Photosynthetic Characteristics and Antioxidative Protection of C3 Desert Shrub Hedysarum Scoparium in Northwest China
To understand the adaptive mechanisms, and the strategy and direction of evolution of exploiting plants for living in oasis-desert transitional areas where there was a water gradient, mechanisms of C4 photosynthesis and antioxidative protection were studied in leaves and assimilating shoots of C3 desert shrub Hedysarum scoparium under water gradient accompanied with high irradiance and high tem...
متن کاملthe effect of traffic density on the accident externality from driving the case study of tehran
در این پژوهش به بررسی اثر افزایش ترافیک بر روی تعداد تصادفات پرداخته شده است. به این منظور 30 تقاطع در شهر تهران بطور تصادفی انتخاب گردید و تعداد تصادفات ماهیانه در این تقاطعات در طول سالهای 89-90 از سازمان کنترل ترافیک شهر تهران استخراج گردید و با استفاده از مدل داده های تابلویی و نرم افزار eviews مدل خطی و درجه دوم تخمین زده شد و در نهایت این نتیجه حاصل شد که تقاطعات پر ترافیک تر تعداد تصادفا...
15 صفحه اولChem. Pharm. Bull. 55(8) 1181—1184 (2007)
Many of the Hedysarum plants have been used as folk remedies in China, especially as detoxifying and diuretic agents, and also with some efficacy against diabetes and chronic nephritis as recorded in some Chinese herbal books. Extracts of some species of Hedysarum have been reported to have the potential to treat dementia and Alzheimer’s disease (AD) from the results of their improving learning...
متن کاملXanthone derivatives from Cratoxylum cochinchinense roots.
Two xanthones and two caged-prenylated xanthones, named cochinchinones A-D, respectively, and a synthetically known caged-prenylated xanthone, together with seven known compounds were isolated from the roots of Cratoxylum cochinchinense (Lour.) Blume. Their structures were assigned on the basis of analyses of spectroscopic data. Some of the compounds exhibited effective antioxidative properties.
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 2007
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.55.1181