Chemical Constituents of Flavonoids from Medicinal Plant Gentiana yunnanensis

Abstract

Abstract: 〔Abstract〕Objective: To study the chemical constituents of medicinal plant Gentiana yunnanensis. Methods: The chemical
compounds were isolated from the 95% ethanol extract of G. yunnanensis by the techniques of column chromatography including AB-8
macroporous adsorptive resins, silica gel, Sephadex LH-20, middle chromatogram isolated gel（MCI）and octadecylsilane chemically
bonded silica（ODS）, and the structures of the compounds were identified based on modern spectroscopic techniques. Results: Seven
flavonoids were isolated from G. yunnanensis and identified as isoorientin（1）, vitexin（2）, apigenin-7-O-β-D-glucopyranoside（3）,
luteolin-7-O-β-D-glucopyranoside（4）, naringenin（5）, kaempferol（6）and puerarin（7）. Conclusion: Seven compounds were all
isolated from this plant for the first time, among which compound 4 was isolated from this genus for the first time.

Key words: 〔Key words〕Gentiana yunnanensis, flavonoids, chemical constituents, structure identification

CLC Number:

R284.1

Wang Tian, Ye Zuyue, Yang Huiyun, Wang Le, Wang Fushen. Chemical Constituents of Flavonoids from Medicinal Plant Gentiana yunnanensis[J]. Journal of Dali University, 2021, 6(4): 4-6.

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