Topic
Isovitexin
About: Isovitexin is a research topic. Over the lifetime, 526 publications have been published within this topic receiving 11525 citations. The topic is also known as: 6-Glucosylapigenin & Isovitexin.
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TL;DR: In this article, two new flavone glycosides with galloyl substitution were isolated from the dried fallen leaves of Terminalia catappa L. Their IC50 were 2.1 and 4.5 μM, respectively.
Abstract: Under the inhibition of Cu+2-induced LDL oxidation-guided fractionation, two new flavone glycosides with galloyl substitution were isolated from the dried fallen leaves of Terminalia catappa L. Their structures were established as apigenin 6-C-(2″-O-galloyl)-β-D-glucopyranoside (1) and apigenin 8-C-(2″-O-galloyl)-β-D-glucopyranoside (2), together with four known flavone glycosides, isovitexin, vitexin, isoorientin, and rutin, on the basis of spectroscopic method. Compounds 1 and 2 showed significant antioxidative effects. Their IC50 were 2.1 and 4.5 μM, respectively.
77 citations
TL;DR: The LC developed method was shown to be appropriated for the qualitative and quantitative analyses and for differentiate species, suitable to be applied to commercial sample analysis.
75 citations
TL;DR: In this paper, a study was carried out to isolate and identify active antioxidant principles from germinated fenugreek seeds, which were subjected to activity assessment using standard in vitro antioxidant assays.
75 citations
TL;DR: This study evaluated flavonoids present in buckwheat sprouts and identified a previously unreported flavonoid and used a novel HPLC elution gradient method to separate rutin and the previously unidentified compound, for which it performed structural analysis.
75 citations
TL;DR: A numerical analysis of these biochemical data, together with morphological characters, produces a new classification which suggests that the flavonoid data may have more systematic value than is indicated when they are applied to the traditional classification.
72 citations