Items |
CP2015 |
USP39 |
EP8.0 |
Appearance |
Yellow-brown powder, a slight bitter taste |
||
Rutin |
/ |
≤ 4.0% |
/ |
Ginkgolic acid |
≤10mg/kg |
≤5mg/kg |
≤5mg/kg |
Flavone glycosides |
≥24.0% |
22-27% |
22-27% |
Terpene lactones |
≥6.0% |
5.4-12.0% |
5.4-6.6% |
Quercetin |
≤1.0% |
≤0.5% |
/ |
Kaempferol |
≤1.0% |
/ |
/ |
Isorhamnetion |
≤0.4% |
/ |
/ |
Loss on drying |
≤5.0% |
≤5.0% |
/ |
Residue on ignition |
≤8.0% |
≤8.0% |
/ |
Heavy metals |
20mg/kg |
/ |
/ |
Aerobe(cfu/g) |
≤1000 |
≤1000 |
/ |
Mould & Yeast(cfu/g) |
≤100 |
≤100 |
/ |
E.coil(1g) |
Not detected |
Not detected |
/ |
Quercetin: Kaempfero |
0.8-1.2 |
≥0.7 |
/ |
Isorhamnetion:Quercetin |
≥0.15 |
≥0.1 |
/ |
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