2000•Unpublished venueRequires access

Content of the Total Terpene Lactones in Ginkgo biloba L. Leaves in Relation to the Various Seasons and Tree′s Ages

Xian Wang

Abstract

Content of ginkgolide A,B,C and bilobalide and change regularity were determined by HPLC in Ginkgo biloba leaves in the various seasons and tree′s ages. The results are as follows: The total terpene lactones in the leaves of Ginkgo biloba L. are the highest in august; The total terpene lactones in young tree′s leaves are higher than those in the old tree′s leaves;following in the train of increase in the tree′s age, the concentration of the total terpene lactones was gradually declined.

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Key concepts: Ginkgo biloba, Terpene, Ginkgo, Botany, Ginkgoales, Chemistry, Biology, Stereochemistry