桑椹红色素是一种安全、无毒的食用天然色素。
Mulberry red pigment is a safety, non -toxic edible natural pigment.
桑椹红色素是一种安全、无毒的食用天然色素。
Mulberry red pigment is a safety, not poisonous edible natural pigment.
研究了食用天然色素的一般提取工艺及其理化性质，并实验分析了光、热、酸碱、防腐剂、氧化还原剂对萝卜红色素、郁金香红色素、郁金香黄色素的稳定性影响。
The paper reports a way to study the common extracting technology of food natural pigment, and its physical and chemical property, such as, light, hot, acid, alk, antiseptic, oxidizer and reducer.
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