CAS #:
15291-75-5(Ginkgolide A)
15291-77-7(Ginkgolide B)
15291-76-6(Ginkgolide C)
Ginkgolides (A/B/C) are extracted from ginkgo leaves to obtain ginkgo leaf extract, and then further separated and purified. Delekang is one of the few companies in China capable of producing terpene lactones.
Ginkgolide A: R1=OH,R2=H,R3=H
Ginkgolide B: R1=OH,R2=OH,R3=H
Ginkgolide C: R1=OH,R2=OH,R3=OH
Item | Standard |
---|---|
Appearance | White powder |
Assay | ≥98.0% |
Loss on drying | ≤5.0% |
Residue on ignition | ≤0.8% |
Heavy metals | ≤20ppm |
Aerobic bacteria (cfu/g) | ≤800 |
Molds and yeasts (cfu/g) | ≤50 |
E. coli (1g) | negative |
25kg/drum
Store in light-tight, airtight and dry condition