【摘要】 以红心萝卜为原料提取了红心萝卜紫色素,并对其理化性质和稳定性进行了研究.结果表明,该色素用蒸馏水浸泡提取,提取率为7.4%.色素的水溶性好,对光、热、弱酸性至碱性介质及食品添加剂相当稳定,耐受一般的食品饮料加工条件.色素对氧化剂和还原剂的耐受能力较弱.红心萝卜紫色素是一种提取工艺简单、性质稳定、颜色鲜艳、价廉易得、来源充足的天然色素,可用于色糖果、面食品、果汁饮料、茶饮料、碳酸饮料及酒类.更多还原

【Abstract】 This paper researches on the extraction of the dandelion Red heart turnip pigment and its Physi-Chemical property.By soaking in the water,the rate of pigment extraction is 7.4%;the pigment is water-soluble.It is stable in light,heat,weak acid to base as well as food additives,but un stable in H2O2 and NaHSO3.更多还原