Food Additives: red rice, sorbic acid.

食用添加剂：红曲红、山梨酸。

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Sorbic acid is a new type of antiseptic and freshening agent for food.

山梨酸是一种新型的食品防腐保鲜剂。

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First, the synthesis method and anti-microbial activity of bromo-sorbic acid were studied.

第一部分为溴代山梨酸的合成方法和抗菌作用研究。

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First, the synthesis method and anti-microbial activity of bromo-sorbic acid were studied.

第一部分为溴代山梨酸的合成方法和抗菌作用研究。

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