| Components | Unit | Content |
| protein (total Nx6.25) | g/100 g | 18.56 ± 2.17 |
| ash | g/100 g | 7.13 ± 0.97 |
| reducing sugars | g/100 g | 43.61 ± 0.69 |
| total acidity | g/100 g | 4.15 ± 0.05 |
| total polyphenols | g GAE/100 g | 23.94 ± 1.75 |
| total flavanols | g CE/100 g | 11.76 ± 1.53 |
| proanthocyanidins | g CYE/100 g | 9.40 ± 0.75 |