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Question
Which of the following chemicals are added to increase the shelf-life of foods?
Which of the following chemicals are added to increase the shelf-life of foods?
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Solution
The correct option is D Antioxidants
Chemicals are added to food for improving the aesthetic, to increase their shelf-life, to add nutritive value. Food colours, flavours and sweetners simply the appereance and taste of food.
Antioxidants are important and necessary food additives. These help in food preservation by retarding the action of oxygen on food. They act through several chemical mechanisms. The two most familiar antioxidants are butylated hydroxy toluene (BHT) and butylated hydroxy anisole (BHA). The addition of BHA to butter increases its shelf life from months to years. Sometimes BHT and BHA along with citric acid are added to produce more effect. Sulphur dioxide and sulphite are useful antioxidants for wine and beer, sugar syrups and cut, peeled or dried fruits and vegetables.
Chemicals are added to food for improving the aesthetic, to increase their shelf-life, to add nutritive value. Food colours, flavours and sweetners simply the appereance and taste of food.
Antioxidants are important and necessary food additives. These help in food preservation by retarding the action of oxygen on food. They act through several chemical mechanisms. The two most familiar antioxidants are butylated hydroxy toluene (BHT) and butylated hydroxy anisole (BHA). The addition of BHA to butter increases its shelf life from months to years. Sometimes BHT and BHA along with citric acid are added to produce more effect. Sulphur dioxide and sulphite are useful antioxidants for wine and beer, sugar syrups and cut, peeled or dried fruits and vegetables.
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