Sodium metabisulfite is a food additive with a white crystalline powder or small crystals in appearance. It is used as a preservative, bleach, and loosening agent in food processing. It is worth noting that sodium metabisulfite is irritating to human skin, so users must take protective measures when coming into contact with items to avoid harm to the body.
The function and effect of sodium metabisulfite
1. The main function of sodium pyrosulfite is as an oxidant.
2. In industry, it is mainly used for printing and dyeing, organic synthesis, printing, tanning, pharmaceuticals, etc. It is mainly used as a preservative, bleach, and loosening agent in food processing.
3. Sodium pyrosulfite is commonly used as a preservative in the brewing industry, and as a dechlorination agent for cotton fabric after bleaching in the textile industry.
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