A New Flavonoidal Constituent from Taraxacum officinale (L.) Weber
نویسندگان
چکیده
منابع مشابه
A new subtilisin-like proteinase from roots of the dandelion Taraxacum officinale Webb S. L.
A serine proteinase from roots of Taraxacum officinale Webb S. L. was isolated by affinity chromatography and gel-filtration on Superose 6R using FPLC. The enzyme is a 67-kD glycoprotein containing 54% carbohydrate which we have named taraxalisin. The substrate specificity of taraxalisin toward synthetic peptides and oxidized insulin B-chain is comparable with that of cucumisin from Cucumis mel...
متن کاملThree Novel Triterpenoids from Taraxacum officinale Roots.
Three novel lupane-, bauerane-, and euphane-type triterpenoids (1-3), in addition to seven known triterpenoids (4-10)-18β,19β-epoxy-21β-hydroxylupan-3β-yl acetate (4), 21-oxolup-18-en-3β-yl acetate (5), betulin (6), officinatrione (7), 11α-methoxyolean-12-en-3-one (8), eupha-7,24-dien-3-one (9), and 24-oxoeupha-7,24-dien-3β-yl acetate (10)-were isolated from the roots of Taraxacum officinale. T...
متن کاملSimultaneous Estimation of Taraxerol and Taraxasterol in Root Callus Cultures of Taraxacum officinale Weber
A simple, selective, rapid, precise and economical reverse phase high -pressure liquid chromatographic method has been developed for the first time for the simultaneous estimation of Taraxerol and Taraxasterol, in natural root and root callus cultures of Taraxacum officinale (TO) , maintained on MS media using hormone combinations , MS+IAA+BA (2ppm+1ppm) and MS+IAA+BA+2,4 D (0.5ppm+1ppm+0.5ppm)...
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431 Ginkgo biloba Linn. extract, clinically referred to as EGb 761, is a very popular over-the-counter herbal dietary supplement in the United States. It is ingested primarily to enhance mental focus mainly because of its purported reports of being able to delay the onset of the loss of cognitive function and improve cognitive function in Alzheimer's disease and senile dementia. A standardized ...
متن کاملDandelion (Taraxacum officinale and T mongolicum)
Common Names The English name dandelion is a corruption of the French dent de leon, meaning “lion’s tooth.” The herb is similarly named in many Indo-European tongues, also being called “lion’s tooth” in German (Löwenzahn) and Spanish (diente de leon). The name refers to the toothed margins of the leaves. In both modern French and English, the name for dandelion reflects its diuretic nature—bein...
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ژورنال
عنوان ژورنال: Asian Journal of Chemistry
سال: 2013
ISSN: 0970-7077,0975-427X
DOI: 10.14233/ajchem.2013.14046