What causes rancidity in oily foodstuffs?
(a) Explain the term "rancidity". What damage is caused by rancidity ?
(b) What type of chemical reaction is responsible for causing rancidity ?
(c) State and explain the various methods for preventing or retarding rancidity of food.
Why do oils and oily foodstuffs undergo a change in their smell and taste if kept for a long time? Give its causes and suggest a method to prevent it.
What causes rancidity? Name an antioxidant that prevents rancidity.