J Integr Plant Biol. ›› 1990, Vol. 32 ›› Issue (2): -.

• Research Articles •    

Studies on the Constltuents of the Flavonoids from the Leaves of Typha angustifolia L.

Liao Mao-chuan, Liu Yong-long and Xiao Pel-gen   

Abstract: Six flavonoids were isolated from the leaves of Typha angustifolia L. On the basis of spectroscopic (IR, UV, MS, 1HNMR and 13CNMR) analysis, they were identified as quercetin-3,3'-dimethyl ether (TF-Ⅰ), isorhamnetin (TF-Ⅱ), quercetin (TF-Ⅲ), quercetin-3,3' dimethyl ether-4'-O-β-D-glucoside (TF-Ⅳ), isorhamnetin-3-O-β-galactoside (TF-Ⅴ), and isorhamnetin-3-O-neohesperidoside (TF-Ⅵ). Compounds TF-Ⅰ and TF-Ⅴ were found in the genus of Typha for the first time.

Key words: Typha L., Typha angustifolia L., Flavonoids, Flavonol glycosides, lsorhamnetin-3-O-β-galactoside

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