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प्रश्न
Differentiate between the terms food preservatives and food processing with appropriate examples.
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उत्तर
Food preservatives – are substances or chemicals – added to food or beverages to
1. Prevent decomposition by bacteria or microbes.
2. Reduce the risk of foodborne infections.
3. Preserve the nutritional quality of food.
| Preservatives | Food items |
| Benzoic acid | Jams, pickles, carbonated drinks. |
| Nitrates | Meat products |
| Sulphur compounds | Beverages, wines, etc |
Food processing mostly involves both packaging and preservation.
Food processing is performed to turn food into something that is more palatable and convenient to eat.
Examples: cakes and biscuits
संबंधित प्रश्न
Give two examples of the following substance.
Medicines
What is the contribution of chemistry in following field?
Clothing
Name the scientists who discovered the following:
Oxygen
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Differentiate between natural fibres & synthetic fibres.
Preservatives are added to food or beverages.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
