| Analysis Items | Specifications | Methods |
| Identifications |
- IR
| IR spectrum is concordant with the reference spectrum of Rutin RS-<197K> |
- UV
| Absorptivity at the maximum at 358 nm is 30.5–33.0. <197U> |
- HPLC
| Retention time of the sample matches with the standard in HPLC purity test. |
- Solubility
| Insoluble in water, slight soluble in Ethanol. |
| Active Ingredients Tests |
| Rutin (UV) | 95.00%-101.00% | USP43<857> |
| Total impurities | ≤4.00% | USP43<621> |
| Kaempferol 3-rutinoside | ≤2.00% | USP43<621> |
| Isoquercitroside | ≤2.00% | USP43<621> |
| Quercetin | ≤2.00% | USP43<621> |
| Unspecified impurity | ≤1.00 % | USP43<621> |
| Physical Tests |
| Appearance | Yellow Green Fine Powder | Visual |
| Particle size | NLT 95% pass 80mesh | USP43<786> |
| Water | 7.50%-9.50% | USP43<921> |
| Residue on Ignition | ≤0.10% | USP43<281> |
| Chemical Tests |
| Heavy Metals | ≤10.00ppm | USP43<231> |
| Pb | ≤3.00ppm | USP43<211> |
| As | ≤1.00ppm | USP43<251> |
| Cd | ≤1.00ppm | USP43<232> |
| Hg | ≤0.10ppm | USP43<261> |
| Methanol Insoluble substance | ≤3.00% | USP43<561> |
| Microbiological Tests |
| Total Bacterial Counts | ≤1,000cfu/g | USP43<2021> |
| Yeasts and Molds | ≤100cfu/g | USP43<2021> |
| E. Coli | Negative in 1g | USP43<2022> |
| Salmonella | Negative in 10g | USP43<2022> |
| * Statements : Allergen Free,Irradiated free, GMO free, Additives free. |
