Rutin is extract from Flos Sophorae lmmaturus. Its standards are as follows:
1. NF11
2. DAB9
3. DAB10
Troxerutin is DAB1999.
Quercetin: 95-102%
Dihydroquercetin: 90-95%
L(+)-Rhamnose: 98%
We can also supply Flos Sophorae lmmaturus. It is also flower-bud of Sophora japonica linn.