نتایج جستجو برای: isorhamnetin
تعداد نتایج: 370 فیلتر نتایج به سال:
In the course of chemotaxonomic study of the genus Prunus, seven flavonol glycosides were isolated from the leaves of Prunus serotina Ehrh., characterized by UV and NMR spectroscopy, and identified finally as three quercetin monosides: hyperoside, avicularin, reynoutrin, three quercetin biosides: 3-O-(6"-O-alpha-L-rhamnopyranosyl)-beta-D-glucopyranoside, 3-O-(2"-O-alpha-L-rhamnopyranosyl)-beta-...
Miguel Payá , Salvador Máñez, and Angel Villar Departamento de Farmacognosia y Farmacodinamia Facultad de Farmacia, Universidad de Valencia, Avda. Blasco Ibanez, 13, 46010 Valencia, Spain Z. Naturforsch. 41c, 976—978 (1986); received June 12/July 22, 1986 Rhamnus lycioides, Flavonoids From the aerial part of Rhamnus lycioides, which is used in folk medicine in eastern Spain as an antihypertensi...
The flavonol quercetin, is one of the major flavonoids found in edible plants. The bioavailability of quercetin in humans may be influenced by the food matrix in which it is consumed as well as by its chemical and physical form. The objective of the present study was to investigate the biokinetics of quercetin from quercetin-enriched cereal bars and quercetin powder-filled hard capsules. In a r...
Objective: In the present study, screening for some flavonoids (aglycone and glycoside) in tamarix aphylla by using thin layer chromatography high-performance liquid chromat-ography. Methods: The leaves of
 
 Tamarix.aphylla was extracted soxhlet with Ethylacetate then ethanol /water 90%. were detected Analyticl standards HPLC. Results:Three flavonoid aglycones ethylacetate (Kaempfero...
The risk of human breast cancer is concerned to cumulative exposure of the breast cells to endogenous estrogens. Strategies aiming at reducing the production of estrogens may be useful for the prevention of estrogens-related breast cancer. Several natural products with plant origin have the potential value as chemo-preventive or therapeutic agents in cancer. Flavonoids, the natural polyphenol c...
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