The development of a rapid, reliable and reproducible LC method for the determination and
quantification of 13 polyphenols (gallic acid, protocatechuic aldehyde, gentisic acid, catechin,
vanillinic acid, caffeic acid, vanillin, epicatechin, syringaldehyde, p-coumaric acid,
ferulic acid, sinapic acid and resveratrol) in grapes and derived products is reported