Polyphenolic compounds in seeds from some grape cultivars grown in Serbia

Abstract

Seed extracts from eight grape cultivars (Vitis vinifera) growing in Serbia were screened for their polyphenolic composition by means of HPLC/ /PDA/ESI/MS analysis. The study revealed 34 phenolic compounds belonging to the following groups: flavan-3-ol monomers, proanthocyanidins, flavonols, hydroxycinnamic acid and hydroxybenzoic acid derivatives. The quantities of the main constituents were determined using PDA/HPLC. Qualitative and quantitative differences among the cultivars were observed.

Pomoću HPLC/PDA/ESI/MS analize je ispitan polifenolni sastav ekstrakata semenki osam sorti grožđa (Vitis vinifera) gajenih u Srbiji. Utvrđeno je prisustvo 34 fenolna jedinjenja koja pripadaju sledećim grupama: flavanolski monomeri, proantocijanidini, flavonoli, derivati hidroksicimetne i derivati hidroksibenzoeve kiseline. Kvantitativni sadržaj glavnih sastojaka je određen uz pomoć PDA/HPLC. Primećene su kvalitativne i kvantitativne razlike između pojedinih sorti.