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Main polyphenols identified by HPLC
| polyphenols | mg/100 g DW |
|---|---|
| Catechin | 2.46 |
| Epicatechin | 2.46 |
| Epicatechin gallate | 1.67 |
| Rutin | 5.01 |
| Ellagic acid | 1.20 |
| Kaempferol | 3.64 |
| saponins | 1.5% |
The amount is expressed as mg/100 of dry weight (DW) of plant material. The amount of saponins, expressed in percentage and obtained by gravimetric analysis, is also reported
