منابع مشابه
Immunosupressive Phenolic Constituents from Hypericum montbretii Spach
The MeOH extract of aerial parts of H. monbretii Spach. have yielded quercetin (1), kaempferol (2), quercitrin (3), hyperin (4), myricitrin (5), rutin (6), I 3 II 8′′ biapigenin (7), methyl chlorogenate (8), 5-O-pcoumaroylquinic acid (9), and chlorogenic acid (5-O-caffeoyl quinic acid) (10), mangiferin (11), and shikimic acid (12). Three compounds 1, 2 and 4 were found to have an immunomodulati...
متن کاملPhenolic constituents of Hypericum triquetrifolium Turra (Guttiferae) growing in Turkey: variation among populations and plant parts
Hypericum triquetrifolium Turra (Guttiferae) has received considerable scientifi c interest in recent years, as it is a source of a variety of biologically active compounds including phenolics. Th e present study was conducted to determine the variation in the content of several phenolics, namely phenylpropane chlorogenic acid and fl avonoids such as rutin, hyperoside, apigenin-7-O-glucoside, k...
متن کاملEffects of phenolic constituents of daylily flowers on corticosterone- and glutamate-treated PC12 cells
BACKGROUND Daylily flowers, the flower and bud parts of Hemerocallis citrina or H. fulva, are well known as Wang-You-Cao in Chinese, meaning forget-one's sadness plant. However, the major types of active constituents responsible for the neurological effects remain unclear. This study was to examine the protective effects of hydroalcoholic extract and fractions and to identify the active fractio...
متن کاملBiosynthesis of the Active Hypericum perforatum Constituents
Extracts from Hypericum perforatum (St. John’s wort; Clusiaceae) are widely used for the treatment of mild to moderate depression. Four classes of constituents – hyperforins, hypericins, flavonoids, and xanthones – appear to contribute to the antidepressant activity. Interestingly, all four classes of secondary metabolites involve polyketide derivatives. Key reactions of their biosyntheses are ...
متن کاملPhenolic Constituents from Phlomis lycia
There are 34 Phlomis L. species (Labiatae) growing in Turkey. Some Phlomis species are used as tonics and stimulants in Anatolia . During our systematic phytochemical investigations of Phlomis species we have studied P. linearis Boiss. & Bal.3−6, Phlomis armeniaca Willd., Phlomis pungens Willd. var. pungens 8−10, Phlomis pungens Willd. var. hirta Velen, Phlomis bourgaei Boiss., and Phlomis long...
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ژورنال
عنوان ژورنال: Natural Product Communications
سال: 2008
ISSN: 1934-578X,1555-9475
DOI: 10.1177/1934578x0800300227