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Sodium Metabisulphite (Food Grade)


Sodium metabisulphite is a common reducing agent in the production of baked goods like biscuits, cookies, crackers and pastry; by reacting with disulfide bonds, it helps to loosen dough and accelerate the kneading process.

This inorganic compound is primarily used in the winemaking process, however, added along with potassium metabisulphite in order to create the sulphur dioxide reaction. This helps to prevent the growth of yeast and bacteria and extend the shelf life of the wine. It can be used as antioxidant and preservative in fresh and dried fruits, slowing down browning.

CAS Number
Sodium pyrosulfite
Chemical Formula


Food Additives

• Dried Foods, Like Raisins, Dates, Apples
• Frozen Foods (Especially Vegetables)
• Fruit Concentrate Juices
• Pickles
• Alcoholic/Non-Alcoholic Cider, Beer, Wine
• Vinegar, Wine Vinegar, Apple Cider Vinegar
• Baked Goods
• Gravies, Dressings, Sauces, Guacamole, Soup Mixes, And Soups
• Bottled Lime And Lemon Juice/Concentrate
• Tomato Paste/Pulp/Purée
• Canned/Frozen Vegetables And Fruits
• Cereal, Cornstarch, Cornmeal, Muesli, And Crackers
• Sugar Syrups
• Pickled Condiments, Like – Horseradish, Sauerkraut, And Coleslaw
• Condiments, Such As – Mustard, Ketchup, And Relish
• Soy Products (Tofu)
• Deli Meats, Sausages, And Hot Dogs
• Starches
• Dried Vegetables
• Snack Foods
• Dried Spices, Herbs, Tea
• Fish And Shellfish
• Processed Potatoes (Like Frozen French Fries)
• Fresh Grape
• Glazed/Glacéed Fruits
• Fruit Syrups, Fruit Fillings, Jams, Gelatines, Marmalade, Jellies, Pectin, Molasses

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