Q 20. Explain the following terms with one example each.
(b) Rancidity
(b) Rancidity
The process of oxidation of fats and oils which can be noticed by a change in colour, smell, and taste is known as rancidity.
Example: When butter is kept in the open atmosphere than its smell and taste change which results in rancidity.
The taste and odour of food materials containing fat and oil changes when they are left exposed to air for a long time . This is called rancidity
Ex- Packet of chips flushed with nitrogen
It cooking oil left over for long time, It undergo air oxidation, it is found to have foul adour and become rancid this process is called Rancidity.