SodiumPyrolidoneCarboxylate(NA-PCA)钠羟基皮酪烷酮为一天然水溶性亲子基因子，用来作为保湿剂 SodiumSorbate山梨酸钠防腐剂 SorbicAcid己二烯酸，山梨酸防腐剂 ..
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使用的防腐剂是柠檬酸，目的是为了降低PH值和山梨酸钾，以便防止霉变。另一种是苯甲酸钠，它是一种杀菌剂。
The preservatives used are Citric Acid to reduce the PH level, Potassium Sorbate to stop mould and Sodium Benzoate as an antimicrobial agent.
研究了苯甲酸钠、山梨酸钾两种防腐剂对糖水菠萝罐头在短期内的防腐效果。
The effect of sodium benzoate and potassium sorbate on the shelf life of canned pineapple containing high concentrate sug ar has been studied in this paper.
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