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Flavonoids are a very diverse group of plant secondary metabolites with a wide array of activities in plants, as well as in nutrition and health. All flavonoids are derived from a limited number of flavanone intermediates, which serve as substrates for a variety of enzyme activities, enabling the
HPLC and LC-MS/MS were used to establish a comprehensive HPLC analytical method of Yinqiao decoction and identify the chemical constituents of the whole and individual herbs of Yinqiao decoction. YWG-C18 (250 mm x4. 6 mm ID, 10 microm) column was used; the mobile phase was composed of acetonitrile
The first specific reaction in the biosynthesis of isoflavonoid compounds in plants is the 2-hydroxylation, coupled to aryl migration, of a flavanone. Using a functional genomics approach, we have characterized a cDNA encoding a 2-hydroxyisoflavanone synthase from soybean (Glycine max). Microsomes