Question

what are the indication required to detect spoilage in food

Answer 1

Foods that deteriorate and develop unpleasant odors, tastes, and textures are spoiled. Spoilage bacteria can cause fruits and vegetables to get mushy or slimy, or meat to develop a bad odor. Most people would not choose to eat spoiled food

Answer 2

Indication to detect spoilage of food:

i) Odour: The unpleasant and foul smell indicates that food is spoiled.

ii) Discoloration: The presence of Microorganisms in food results in discoloration of food. Some fungus and moulds cause change in original colour.

ii) Taste: Sometimes the cooked food becomes sour. It is due to the production of acid by the action of certain bacteria.

iv) Sliminess: Sometimes food becomes slimy. It is also due to action of certain bacteria, thread like slims are also caused due to moulds.

v) Gas formation: Due to action of bacteria, gas like, carbon dioxide are produced. They also spoil the food by making it to swell or become spongy.