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FlavonolGlycosides: | 24%MIN | Terpene Lactones: | 6.0%MIN |
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Limit Of Ginkgolic Acid: | NMT 10mg/kg | Sophoricoside: | Should Be Negative |
Loss On Drying: | NMT 5.0% | Residue On Ignition: | NMT 0.8% |
High Light: | standardized ginkgo biloba,ginkgo standardized extract |
CONBA® Ginkgo Biloba Extract: USP40 24/6 Ginkgo Acid<1ppm, EP9.0 24/6 Ginkgo Acid<1ppm, Water soluble 24/6 1g/10ml,
Injection solution GA>2.2% GB>1.2% GC>1.2%
Ginkgo Biloba Standardized Extract Chp 2015
YuzhouWuet al, Pharmacology, Original Paper Planta Med 2007; 73(7): 624-628
Part 2
We designed this study to test the effects of GBE on distal left anterior descending coronary artery (LAD) blood flow and endothelium-dependent brachial artery flow-mediated dilation (FMD) in patients with Coronary Artery Disease (CAD).
Flavonol aglycone
Flavonol aglycone | R1 | R2 | R3 | R4 |
Kaempferol | H | H | H | H |
Quercetin | OH | H | H | H |
Isorhamnetin | OCH3 | H | H | H |
Terpene lactones
Terpene lactones | R1 | R2 |
Ginkgolide A | H | H |
Ginkgolide B | OH | H |
Ginkgolide C | OH | OH |
Specification Chp2015
Item | Specification | Test Method |
Appearance | Light yellow-brown powder | Visual |
Identification | ||
Identification A | Should conform Chp2015 | TLC |
Identification B | Should conform Chp2015 | HPLC |
Test | ||
Limit of Ginkgolic Acid | NMT 10mg/kg | HPLC |
Sophoricoside | Should be negative | HPLC |
Loss on drying | NMT 5.0% | Limit test |
Residue on ignition | NMT 0.8% | Limit test |
Mesh | 100% through 80 mesh | - |
Heavy metal | Should conform Chp2015 | AAS |
Free Aglycone | ||
Quercetin | NMT 10 mg/kg | HPLC |
Kaempferol | NMT 10 mg/kg | HPLC |
Isorhamnetin | NMT 4 mg/kg | HPLC |
Apex area ratio | ||
Q: K | 0.8-1.2 | HPLC |
I: Q | >0.15 | HPLC |
Microbiological limit | ||
Aerobic plate count | NMT 10cfu/g | Limit test |
Mold&Yeast | NMT 10cfu/g | Limit test |
E.Coli | Negative | Limit test |
Assay | ||
Content of flavonol glycosides | 24%MIN | HPLC |
Quercetin | / | HPLC |
Kaempferol | / | HPLC |
Isorhamnetin | / | HPLC |
Terpene lactones | 6.0%MIN | HPLC |
Bilobalides | / | HPLC |
Ginkgolides A | / | HPLC |
Ginkgolides B | / | HPLC |
Ginkgolides C | / | HPLC |
Shelf life: 3 years
Country of origin: China
Botanical Name:Ginkgo Biloba L.
Starting material: Ginkgo leaves
Part Used:GinkgoLeaves(dry)
Extraction solvent: Food grade ethanol
Extraction ratio: 50:1
Composition : 100% Ginkgo Biloba extract,no adding other carriers
Residual Solvent: Ethanol <= 0.5%
Standard: Chp2015
Package Size:25Kg/Drum
Storage:Protect from light and seal.
Contact Person: Mia Tao
Tel: +8613282563726