Ginkgo Biloba Extract
[Botanic Name] Ginkgo biloba L.Leaves
[Appearance] Brown Powder
Part Used:Leaf (Dry, 100% Natural leaves ）
[Appearance] Brown fine Powder
[Specification] Ginkgo Biloba Extract USP 42
|
ITEMS |
SPECIFICATION |
TEST RESULTS |
|
Identification (1) |
TLC meet Ginkgo Biloba extract |
Complies |
|
Identification (2) |
HPLC meet Ginkgo Bioloba extract |
Complies |
|
Color |
Light yellow brown to brown |
Organoleptic |
|
Odour |
Characteristic |
Organoleptic |
|
Taste |
Biterness |
Organoleptic |
|
Loss and drying |
≤4mg/g |
2.70% |
|
Ash |
≤0.8% |
0.30% |
|
Partical size |
NLT95% passed 80 mesh |
80mesh |
|
Analytical Quality |
||
|
Identification |
SPECIFICATION |
METHOD |
|
Flavonol Glycosides |
≥24% |
26.60% |
|
Quercetin Glycosides |
|
11.71% |
|
Kaempferol Glycosides |
|
12.01% |
|
Isorhamneth Glycosides |
|
2.92% |
|
Total Terpene Lactone |
≥6% |
7.10% |
|
Ginkgolides C |
|
1.13% |
|
Bilobalide |
2.6%-5.8%,
|
3.65% |
|
Ginkgolides A |
|
1.46% |
|
Ginkgolides B |
|
0.85% |
|
Ginkgolic acid |
|
0.2mg/kg |
|
Free kaempferol |
≤10mg/g |
0.4mg/g |
|
Free Isorhamnetin |
≤4mg/g |
0.1mg/g |
|
Free Quercetin |
≤0.5% |
0.3mg/kg |
|
Quercetin：Kaempferol （Based on peak area） |
0.8~1.2 |
0.94 |
|
Isorhamneth ：Qucertin （Based on peak area） |
>0.15 |
0.23 |
|
Heavy Metals |
||
|
Lead（Pb) |
≤15 mg/kg |
<15mg/kg |
|
Arsenic(As) |
≤2.0 mg/kg |
Conform |
|
Cadmium(Cd) |
≤2 mg/kg |
Conform |
|
Mercury(Hg) |
≤0.1mg/kg |
Conform |
|
Petiscide Residue |
Meets USP （561 ） |
Conform |
|
Microbiological |
||
|
Total Plate Count |
≤1000 cfu/g |
Conform |
|
Yeast &Mold |
≤100 cfu/g |
Conform |
|
E.Coli |
≤10 cfu/g |
Negative |
|
Staphylococcus aureus |
≤10 cfu/g |
Negative |
|
Salmonella |
≤10 cfu/g |
Negative |
|
Pseudomonas aeruginosa |
≤10 cfu/g |
Negative |
What Ginkgo Biloba Is Used For
Ginkgo leaf extract has been used to treat a variety of ailments and conditions, including asthma, bronchitis, fatigue, and tinnitus (ringing or roaring sounds in the ears).
Today, people use ginkgo leaf extracts hoping to improve memory; to treat or help prevent Alzheimer's disease and other types of dementia; to decrease intermittent claudication (leg pain caused by narrowing arteries); and to treat sexual dysfunction, multiple sclerosis, tinnitus, and other health conditions.
How Ginkgo Biloba Is Used
Extracts are usually taken from the ginkgo leaf and are used to make tablets, capsules, or teas. Occasionally, ginkgo extracts are used in skin products .
