A preservative is a substance or a chemical that is added food and beverages to prevent decomposition by microbial growth or by undesirable chemical changes.
Natural food preservatives comes the salt, sugar, alcohol, vinegar etc.
Write answers the following questions.
(a) Name the constituents of food and give five examples of each.
(b) Name some fibrous foods.
(c) Why it is necessary to preserve foodstuffs?
(d) What are the various methods of preserving food?
(e) What is meant by pasteurisation?
(f) Give the names of chemical preservatives.
What are fats? Give an example of a fatty food. [2 MARKS]