And grape seed extract. Qualify as antioxidants such as polyphenols and anthocyanin. When studying its use in meat products. The seeds and grapes were extracted with methanol two ways. By the way, 1 GPI extracted with methanol + HLIP at 0.06 grams and the second extraction with methanol at 100 grams. Be analyzed Trolox equivalent antioxidant capacity (TEAC), Foley, phenol, and anthocyanin. Then experiment with burgerspork, packed in Styrofoam trays wrapped with film laminating pouches. Stored at 4 ° C for 0, 3, and 6 days. test the pH, the lipid oxidation and color.