1. Sources and Habitat

Ginkgo (Ginkgo biloba), also known as the Maidenhair Tree after Adiantum, is a unique species of tree with no close living relatives. The ginkgo is classified in its own division, the Ginkgophyta, comprising the single class Ginkgoopsida, order Ginkgoales, family Ginkgoaceae, genus Ginkgo and is the only extrant species within this group.

2. Descriptions and Specifications of Product

Content Specifications: 24.0% Flavones;& 6.0% Lactones by HPLC
                                     CP20105/  EP version/ USP version 

Molecular Formula: C₁₅H₁₀O₆
Molecular Mass: 286.23
CAS No.: 520-18-3
Constitutional Formula:  

Isorhamnetin 
Molecular Formula: C₁₆H₁₂O₇
Molecular Mass: 316.26
CAS No.: 480-19-3
Constitutional Formula:   

Ginkgolide A
Molecular Formula: C₂₀H₂₄O₉
Molecular Mass: 408.39
CAS No.: 15291-75-5
Constitutional Formula:

Ginkgolide B
Molecular Formula: C₂₀H₂₄O₁₀
Molecular Mass: 424.39
CAS No.: 15291-77-7
Constitutional Formula:

Ginkgolide C
Molecular Formula: C₂₀H₂₄O₁₁
Molecular Mass: 440.39
CAS No.: 15291-76-6
Constitutional Formula:


Bilobalide 
Molecular Formula: C₁₅H₁₈O₈
Molecular Mass: 326.29
CAS No.: 33570-04-6
Constitutional Formula:


3. Indications and Uses

Ginkgo biloba is used for cerebral insufficiency and Alzheimer's disease.

It also is used for peripheral vascular insufficiency.
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The Information had not been evaluated by the Food and Drug Administration, only for reference.