2000•Unpublished venueRequires access

A Study on The Changing Rule for Total Flavonoids in Ginkgo Leaves in Different Climate、Season and Age

Yu Guan

Abstract

Objective:To investigate the optimal for collecting conditions for Ginkgo leaves. Mothod: The different batches of total flavonoids of Ginkgo leaves picked from different area, time and age were determined. Result: There was a similar changing rule of content for the total flavonoids of Ginkgo leaves. Conclusion: The total flavonoid content of Ginkgo leaves is getting to increase till it becomes yellow in Autumn.

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Key concepts: Ginkgo, Flavonoid, Ginkgo biloba, Botany, Chemistry, Horticulture, Biology, Biochemistry