食品级焦亚硫酸钠
食品级焦亚硫酸钠可用于食品加工，改善食品的口感，用途主要有以下几个：
一、漂白剂 用于制造糕点等食物的面粉当中，对其进行漂白。
二、膨松剂 能够使面包和饼干等食品结构变得疏松，口感比较松脆。
三、防腐杀菌剂 在果汁、蜜饯、罐头中添加能够延长食品的保质期，并进行有效杀菌。
四、抗氧保鲜剂 对海鲜和果蔬等具有抗氧化和保鲜作用。
Food grade Sodium metabisulfite can be used in food processing to improve the taste of food. The main uses are as follows:
1、 Bleaching agents are used in flour for making pastries and other foods to bleach them.
2、 Leavening agent can make bread, biscuits and other foods loose in structure and crispy in taste.
3、 Adding preservatives and fungicides to fruit juices, preserves, and canned foods can extend their shelf life and effectively sterilize them.
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