Rutin powder, also known as vitamin P, is mainly extracted from Sophora japonica buds or buckwheat.
Rutin is a bioflavonoid commonly used in dietary supplements.
It often coexists with vitamin C. It not only enhances the activity of vitamin C, but also prevents vitamin C from being destroyed by oxidation, thereby promoting absorption and utilization.
In addition to powdered ingredients, custom nutritional supplements (capsules, tablets, powders) are also available.
| Characters | Specifications | Results |
| Appearance | Yellow or greenish-yellow, crystalline powder | Greenish-yellow crystalline powder |
| Solubility | Practically insoluble in chloroform and ether | Complies |
| Infinitesimally soluble in cool water | Complies | |
| Sparingly soluble in boiling ethanol and boiling water | Complies | |
| Dissolves in solution of alkali hydroxides | Complies | |
| Identification | A.B.C | Complies |
| Tests | ||
| Loss on drying | 5.5-9.0% | 7.5% |
| Residue on Ignition | ≤0.5% | 0.28% |
| Impurity quercetin | ≤5% | Complies |
| Red pigments | ≤0.004% | Complies |
| Heavy Metal | ≤20ppm | <10ppm |
| Mesh Size | 95% pass 80 mesh | Complies |
| Assay (anhydrous substance) | 95.0%-101.5% | 95.50% |
| Conclusion: the test results conform to NF11 | ||
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