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动植物原料和提取物
银杏叶提取物
CAS number: 90045-36-6
Molecular formula:
molecular weight:
Chemical structure:

Certificate of Analysis
Product name Ginkgo Biloba Extract Shelf Life 2 years
Items Test Specifications Test Results
Appearance Light yellow Fine powder Complies
Odor & taste Characteristic Complies
Flavonol glycosides 22.0-27.0% 25.32%
Quercetin Glycoside 9.93%
Kaempferol Glycoside 9.96%
Isorhamnetin Glycoside 5.43%
Terpene Lactones 5.4-12.0% 6.44%
Ginkgolide A 2.8-6.2% 1.68%
Ginkgolide B 1.09%
Ginkgolide C 0.73%
Bilobalide 2.6-5.8% 2.94%
Ginkgolic Acids Max.5ppm 4.35ppm
Loss on drying Max.5.0% 2.9%
Resident on ignition Max.0.8% 0.28%
Heavy Metals < 10ppm < 10ppm
Arsenic(As) < 1ppm Complies
Lead(Pb) < 1ppm Complies
Cadmium(Cd) < 1ppm Complies
Mercury(Hg) < 0.1ppm Complies
Mesh size 100% through 80mesh Complies
Total Bacterials Count <1000CFU/g Complies
Mold﹠Yeast <50CFU/g <100CFU/g
Staphylococcus Negative Negative
P.Aeruginosa Negative Negative
Salmonella Negative Negative
E.Coli. Negative Negative
Conclusion Meets the requirements of pharmacopeia USP38
Storage Store in cool & dry places.,keep sealed and avoid strong light.


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