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红色葡萄浆果的果皮中含有一定量花色素(花青素),不同的红色葡萄品种花青素含量不等。色素丰富的葡萄品种,不仅在果皮中,而且在果肉中,或者在果肉和果皮之间均含有色素。加工的红色葡萄又是酿造红葡萄酒、葡萄汁的原料,因而该品种色素含量的多少,直接影响着酿酒的色泽与质量。目前我国鉴评红葡萄色泽的方法,多采用肉眼目测估计,用这种方法确切判断浆果色泽的差异程度,红色素形成与有关因素之间的
Red grape berry contains a certain amount of peel anthocyanins (anthocyanins), different red grape varieties anthocyanin content range. Pigmented grape varieties contain pigments not only in the peel, but also in the pulp, or between the pulp and the peel. Processing red grapes is brewing red wine, grape juice raw materials, so the variety of pigment content, a direct impact on wine color and quality. At present, the method of assessing the color of red grape in our country is mostly estimated by naked eye. In this method, the difference of the color of the berry is accurately judged, and the relationship between the formation of red pigment and the related factors