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Shopping – simple rule:
When you buy products low-processed without additions, you avoid eating such substances as glucose-fructose syrup, artificial flavours, carrageenan, stabilizers, thickeners, palm oil, preservatives.
E224 Potassium metabisulfite K₂S₂O₅, also known as potassium pyrosulfite, is a white crystalline powder with a pungent sulfur odour. The main use for the chemical is as an antioxidant or chemical sterilant.
It is used as a preservative in brewing, winemaking and fruit and vegetable industry. It is also used in bleaching straw, traditional B&W photography (photographic fixer) and in dyeing.
In the food industry, manufacturers use potassium metabisulphite to preserve the taste of dehydrated foods and to make these foods more palatable. Potassium metabisulphite cannot preserve certain kinds of foods, including raw fruits, vegetables and meats. However, the substance can preserve fruits as part of the canning or dehydration process.
Source: inter alia InternetAdd to Favourites