utilizations include fruit consumption, pharmaceutics and
wine making (from 70 to 80%). Residue of wine making is
named grape pomace and accounts for 20% of grape (w/w).
It is composed of seeds, 38 to 52% on a dry matter basis, but
also of stems, pulps and skins [2]. The presence of oil and
the high phenolic content of grape seeds offers alternative
valorization pathways for these by-products [3].