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1·Anthocyanins are natural technicolored pigments and are bright-coloured, which can dissolve in water and combine with food easily. They are important food additives instead of artificial colour.

葡萄皮花色苷是一种天然色素，具有溶解性好、色彩鲜艳、易与食品结合上色等特点，是替代合成色素的一类重要食品添加剂。