Table 1.

Grape pomace composition [13,14,15,16,17].

Component	Amount
Moisture (water)	50–60%
Dietary fiber	20–30%
Carbohydrates	5–15%
Protein	8–15%
Polyphenols	5–10%
Lipids	3–7%
Organic acids	3–6%
Ash	3–5%