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Sodium erythorbate (sodium nitrite) is a food additive commonly used in food processing. Here is a description of sodium nitrite and some common uses:
Description:
•Chemical properties: Sodium nitrite is the sodium salt of nitrite, chemical formula C6H7NaO6. It is a white crystalline powder that is soluble in water. Sodium nitrite has antioxidant and antibacterial properties in food.
•Source: Sodium nitrite can be obtained by the reduction reaction of glucose.
Purpose:
1. Food antioxidants: Sodium nitrite is commonly used as an antioxidant in food. It can react with oxygen, slow down the oxidation process of fats and oils in food, and extend the shelf life of food.
2. Food preservatives: sodium nitrite also has an antibacterial effect, which can inhibit the growth of microorganisms in food and delay the corruption of food. Therefore, it is often used in processed foods such as meat products, pickled foods, canned foods to improve its shelf life and stability.
3. Food color stabilizer: In the processing process, sodium nitrite can react with amino acids or proteins to form stable pigments, making the color of meat products (such as ham, bacon, etc.) more stable and attractive.
4. Sausage and cooked food process: Sodium nitrite plays an important role in sausage and cooked food processing. It can not only extend the shelf life of sausages and cooked foods, but also improve the color, texture and flavor of products.
5. Non-meat applications: Sodium nitrite can also be used in other food processing, such as vegetable products, jams, beverages, etc., to provide antioxidant and anti-corrosion effects.
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