Food Preservatives Class 12 Notes | EduRev

Chemistry Class 12

Created by: Mohit Rajpoot

Class 12 : Food Preservatives Class 12 Notes | EduRev

The document Food Preservatives Class 12 Notes | EduRev is a part of the Class 12 Course Chemistry Class 12.
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Food Preservatives

These are the chemical substances added to food to prevent their spoilage due to microbial growth (bacteria, yeasts and moulds) and to retain their nutritive value for longer periods .

The most commonly used preservatives include table salt, sugar, vegetable oil, vinegar, citric acid, spices and sodium benzonate (C6H5COONA). Salts of sorbic acid and propanoic acid are also used” preservatives for cheese, baked food, pickles, meat and fish products.

1. Sodium benzoate is metabolised by conversion into hioppuric acid (C6H5CONHCH2COOH), which is ultimately urine. It is used in soft drinks and acidic foods.

2. Antioxidants like BHT(butylated hydroxytoluene) and BRA butylated hydroxyanisole) retard the action of oxygen on the food and help in the preservation of food materials.

Food Preservatives Class 12 Notes | EduRev  

Food Preservatives Class 12 Notes | EduRev

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