![]() |
|
|
Product Details:
Payment & Shipping Terms:
|
FlavonolGlycosides: | 22.0%~27.0% | TerpeneLactones: | 5.4%-6.6% |
---|---|---|---|
Ginkgolic Acid: | <1ppm | Type: | Ginkgo Biloba Leaf Extract |
Form: | Powder | Part: | Leaf |
High Light: | ginkgo biloba liquid extract,ginkgo biloba natural |
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 Leaf Extract
Informations about Ginkgo Biloba Leaf (Part3)
Gingko biloba
With more than 40 pieces of research to support it, gingko biloba is the most common herb in Europe. It appears to work by increasing blood flow to the brain and is widely used to treat blockages in the small arteries of the brain.
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 |
Contact Person: Mia Tao
Tel: +8613282563726