Ginkgo biloba tree, leaves

Ginkgo biloba extract is prepared from the leaves of the ginkgo tree. The most common formulation is prepared by concentrating 50 parts of the crude leaf to prepare one part of extract. The active constituents in ginkgo are flavone glycosides and terpenoids (ie, ginkgolides , , C, J, and bilobalide). 

Egb 761 (= Egb) (diterpenoid extract) Ginkgo biloba (maidenhair tree) (Ginkgoaceae) [root bark, leaf] standardized extract... 

The maidenhair tree or ginkgo Ginkgo biloba) is said to be named after this group of ferns because of the similarity of leaf shape. However, the ginkgo is a conifer tree, and is not related to the maidenhair ferns. 

GINKGO FOLIUM The drug consists of the dried leaf of Ginkp/o biloba, (L.), a tree belonging to the gymnosperms, in Japanese called icho. It is cultivated in France and S. Carolina (USA). A standardised extract of the leaves is used therapeutically. The main ingredients so far isolated from the leaves are ... 

Ginkgo products come from the leaves of G. biloba L. tree, the only surviving member of the Ginkgoaceae family. Most commercial leaf production is from plantations in South Carolina, France,... 

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