| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Light yellow powder | Conforms |
| Identification | A: According to standard | Conforms |
| B: Apex area ratio K: Q>0.7, I: Q>0.1 | Conforms | |
| Content of flavonol glycosides | 22.0%~27.0% | 23.0% |
| Quercetin | -------- | 9.64% |
| Kaempferol | -------- | 9.37% |
| Isorhamnetin | --------- | 3.02% |
| Content of terpene lactones | 5.4%~12.0% | 9.7% |
| Ginkgolides A+B+C | 2.8%~6.2% | 6.06% |
| Bilobalides | 2.6%~5.8 | 3.60% |
| Limit of Rutin | ≤4% | 2.4% |
| Limit of Quercetin | ≤0.5% | 0.1% |
| Limit of Ginkcolic Acids | ≤5ug/g | 0ug/g |
| Microbial enumeration tests | Aerobic bacterial counts ≤10000cfu/g | <10cfu/g |
| Molds and yeast ≤1000cfu/g | <10cfu/g | |
| Salmonella: Absence | Conforms | |
| E. Coli.: Absence | Conforms | |
| Conclusion: The Product Conforms to CP/USP. |
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