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Table 2 Polyphenols content in the Grape seed and grape skin (September 2016)

From: Protective effects of grape seed and skin extract against high-fat-diet-induced lipotoxicity in rat lung

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