| Year published | 2003 |
| Literatures (Research papers) |
Takizawa Y, Morota T, Takeda S, Aburada M: Pharmacokinetics of (-)-epicatechin-3-O-gallate, an active component of Onpi-to, in rats. Biol Pharm Bull 26(5):608-612, 2003. |
| Kampo formulas | ompito |
| Remarks | onpito |