Table 2.
Results of the condensed tannin content in the extracts
| Extract (1.2 mg/mL) | Condensed tannin content (%) |
Standard curve |
| Aqueous extract | 26.23 | Y=2.1564X-0.2314, R2= 0.9997, linearity range of 0.1062∼0.5312 mg/ml |
| Ethanol extract | 48.36 | |
| Ethyl acetate extract | 70.18 | |
| Petroleum ether extract | 40.51 |