Formulation optimization of Kyllinga brevifolia total flavonols solid dispersion controlled porosity osmotic pump tablets Cloning and expression analysis of flavonols synthetase gene from Carthamus tinctorius Effects of Bagging on Accumulation of Phenolic Acids and Flavonoids in Peach Pericarp During Fruit Maturity Isolation and Indentification of Flavonoids from Aerial Part of Bupleurum tenue Buch-Ham-ex D. Don Chemotaxonomic Studies in Ferula of China on the Basis of Flavonoids Paparation of solid dispersion of Kyllinga brevifolia total flavonols and its properties Cheroical cOnstituents in leaves of Dracaena cochinchinensis OCCURRENCE, BIOLOGICAL PROPERTIES AND ANALYSIS OF FLAVONOLS IN FOOD