We have often seen that oily food if not used within a limited time gives bad taste, smell and becomes unfit for consumption. This is due to oxidation of oils and fats present in the food.
Now, answer the following questions:
(i) On marriages or other celebrations, a lot of food goes waste. What methods do you suggest to prevent this wastage?
(ii) Often preservatives are added to certain foodstuff, so that they can stay consumable for a longer time but these preservatives are chemicals which may be harmful. What alternatives do you suggest?
(iii) What method of preservation of food items should be followed at home?