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Détails sur le produit:
Conditions de paiement et expédition:
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FlavonolGlycosides: | 22.0%~27.0% | TerpeneLactones: | 5.4%-6.6% |
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Acide de Ginkgolic: | <1ppm> | De métaux lourds: | NMT 20ppm |
Pesticide résiduel: | répondez à l'exigence | Résidu d'éthanol: | NMT 0,2% |
Surligner: | organic ginkgo biloba powder,ginkgo biloba leaf extract powder |
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 Leaves Processing Step 4
The packed dry Ginkgo leaves should be stored in special warehouse with dry and air circulating conditions, the temperature should be below 25℃ and the humidity should not be more than 65%.
A dry condition should be kept during the transport of dry Ginkgo leaves and humid condition should be avoided. The transport means should be ventilated and breathable, and mixed loading and transport with other medicinal plants is not allowed.
Process advantages:
advanced process, perfect facility, safe solvent, controlled procedure and stable quality.
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 |
EP SPECIFICATION SHEET
Ginkgo dry extract | |
Tests | Specifications |
Characters | Bright yel1ow-brown,powder or friable mass |
Identification | Thin-layer chromatography: The sequence of zones present in the chromatograms obtained with the reference solution and the test solution should conform to that of European Pharmacopeia |
Loss on drying | Not more than 5.0% |
Heavy metals | Not more than 20 ppm |
Sulphated ash | Not more than 0.8% |
Ratio of flavonoid glycoses peak areas |
Quercetin: Kaempferol between 0.8-1.2
Isorharnnetin: Quercetin not less than 0.15 |
Residual pesticide | Total BHC: Not more than 0.2 ppm |
Total DDT: Not more than 0.2 ppm | |
PCNB: Not more than 0.1 ppm | |
※Ethanol | Not more than 0.2% |
Assay |
Flavonoids,expressed as flavone glycosides: 22.0 to 27.0%; Bilobalide: 2.6 to 3.2%; Sum of ginkgolides A,B and C: 2.8 to 3.4%;
Ginkgolic acids: maximum 5 ppm |
Microbiological quality |
TAMC: Not more than 800 CFU/g (In-house),Not more than 1000 CFU/g (COA) TYMC: Not more than 80 CFU/g (In-house),Not more than100 CFU/g (COA) Bile-tolerant gram-negative bacteria: Not more than 100CFU/g Escherichia coli: Absence per g Salmonella: Absence per 25g |
Aflatoxin (Commission test) |
Aflatoxin B1: Not more than 2 ug/kg Sum of Aflatoxin Bl,B2,Gl and G2: Not more than 4 ug/kg |
Ochratoxin (Commission test) |
Ochratoxin A: not more than 20 ug/kg |
Personne à contacter: Mia Tao
Téléphone: +8613282563726