Abstract
By means of preparative paper chromatography five crystalline anthocyanins were isolated from the skins of Barlinka grape berries. The pigments were identified as oenin (malvidin 3-glucoside), mono- p-coumaroyl oenin and the 3-glucosides of peonidin, petunidin and delphinidin. Oenin was by far the major pigment of the grape skins while the 3-glucosides of petunidin and delphinidin occurred only in very small concentrations. The identification of all the compounds as monoglycosides supports the classification of Barlinka as a cultivar of Vitis vinifera.
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