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Published on: August 14, 2019
[Determination of flavonoids in Ginkgo biloba L. leaves from different producing areas]
1School of Pharmaceutical Sciences, Beijing Medical University, Beijing 100083, China.
Abstract
Objective:
To compare the contents of flavonoids in the leaves of Ginkgo biloba gathered from 35 producing areas.
Methods:
Separating and determining 3 flavonoid aglycones, quercetin, kaempferol and isorhamnetin, by high performance liquid chromatography, and there by calculating the total contents of flavonoids.
Results:
The contents of flavonoids in the leaves of G. biloba gathered from different producing areas are different, but in those gathered from Pizhou, Zheng'an Xing'an, Anlu, etc. appear higher.
