Sodium bisulfite is an inorganic compound with the chemical formula NaHSO3. It is a white crystalline powder with the unpleasant smell of sulfur dioxide. It is mainly used as a bleach, preservative, antioxidant, and bacterial inhibitor.
1,Food Industry
The European Commission asked the European Food Safety Authority (EFSA) to review and determine whether the use of sulfites as food additives remains safe based on new scientific technology and information. Since sodium bisulfite is a known sulfonated compound, it was accepted into the experiment. Based on clinical trials using rats and mice, the WHO Expert Committee on Food Additives concluded that doses of 0-0.7 mg sulfur dioxide equivalent/kg body weight per day do not cause harm to humans who consume this compound as a food additive .
Genotoxicity and carcinogenicity were examined and in both cases no potential issues with sulfites were identified. The production of sodium sulfite for use as a food additive can be described by combining sulfur dioxide gas and an aqueous sodium hydroxide solution in a conventional absorber arrangement. To analyze the amount of free sulfite in foods resulting from sulfonation of sodium sulfite, a variety of methods can be used, including the Meunier-Williams procedure, post-extraction HPLC, and flow injection analysis. Overall, the use of sodium bisulfite as an additive and antioxidant in the food industry is safe and beneficial to the longevity of processed foods.
2, Textile industry
An antichlorine agent is a substance used to break down the hypochlorite, or chlorine, that remains after chlorine-based bleaching to prevent continued reaction with the material being bleached, causing damage to it. Sodium bisulfite is an example of an antichlorine agent. Historically, sodium bisulfite has been used in the textile industry, cosmetics industry, food industry, etc.
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Sodium bisulfite is an inorganic compound with the chemical formula NaHSO3. It is a white crystalline powder with the unpleasant smell of sulfur dioxide. It is mainly used as a bleach, preservative, antioxidant, and bacterial inhibitor.
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