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Chromatograms obtained by UPLC-ESI-ToF-MS of the hydroethanolic and ethanolic grape pomace extracts. A 100% intensity corresponds to the highest peak. Identified peaks: 1. Catechin, 2. Procyanidin B, 3. Epicatechin, 4. Quercetin-3-O-galactoside, 5. Quercetin-3-O-glucuronide, 6. Quercetin-3-O-glucoside, 7. Kaempherol-3-O-glucoside, 8. Isorhamnetin-3-O-glucoside.
