Table 2 Polyphenols content in the Grape seed and grape skin (September 2016)
Polyphenols | Grape seed | Grape skin |
|---|---|---|
Total polyphenols (mg/g GSSE) | 67 | 51 |
Total flavonoids (mg/g GSSE) | 16 | 14 |
non-flavonoids (mg/g GSSE) | 51 | 37 |
Tannins (mg/g GSSE) | 1.22 | 3.43 |
Anthocyanins (μg/g GSSE) | 0.997 | 0.962 |