The main components of Sophora japonica extract include flavonoids and isoflavone compounds, triterpenes, alkaloids, amino acids, fatty acids, etc.
Isoflavones isolated from Sophora japonica include genistein, sophoricoside, etc.
Flavonoid compounds include kaempferol, quercetin, rutin, etc.
Its extracts have a wide range of uses. They are not only used in medicine, but also as core ingredients of functional health products.
| Extract ingredient: | Sophoricoside | Kaempferol | Genistein | Quercetin |
| Specification: | 10%、20% | 98% | 98% | 95% |
| CAS: | 152-95-4 | 520-18-3 | 446-72-0 | 117-39-5 |
The factory specializes in the production of various extracts and strictly follows GMP standards to ensure product quality.
We strictly control every link from raw material procurement to production to ensure product quality and stability.
| Item | Specification | Result | Test Method |
| Active Ingredeints | |||
| Quercetin | NLT95% Quercetin | 98.39% | HPLC |
| Physical Control | |||
| Appearance | yellow powder | Complies | Visual |
| Odor | Characteristic | Complies | Olfactory |
| Sieve Analysis | 100% pass 80mesh | Complies | 80 mesh Screen |
| Loss on Drying | 3% Max | 1.16% | USP32<561> |
| Ash | 1% Max | 0.54% | USP32<731> |
| Chemical Control | |||
| Sulphate | 0.5% Max | Complies | |
| Arsenic (As) | NMT 2ppm | 0.09ppm | USP32<231> |
| Cadmium(Cd) | NMT 1ppm | 0.2ppm | USP32<231> |
| Lead (Pb) | NMT 0.5ppm | 0.03ppm | USP32<231> |
| Chlorate (Cl) | NMT 1ppm | 0.04ppm | USP32<231> |
| Residual solvents | Meet USP32 Requirments | Conforms | USP32<467> |
| Heavy Metals | 10ppm Max | Complies | USP32<231> |
| Residual pesticides | Meet USP32 Requirments | Conforms | USP32<561> |
| Microbiological Control | |||
| Total Plate Count | 10000cfu/g Max | Complies | USP34<61> |
| P.aeruinosa | Absent | Complies | USP34<61> |
| S.aureus | Absent | Complies | USP34<61> |
| Salmonellai | Absent | Complies | USP34<61> |
| Yeast & Mold | 1000cfu/g Max | Complies | USP34<61> |
| E.Coli | Negative | Complies | USP34<62> |
| Staphylococcus | Negative | Complies | USP34<62> |
| Afatoxins | Negative | Complies | USP34<62> |
| Salmonella | Negative | Complies | |
| Packing and Storage | |||
| Packing | Pack in paper-drums and two plastic-bags inside. | ||