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A fat the body cannot make itself and must get from food, needed for functions like brain health and controlling inflammation.
Fish, flaxseed (alsi), and walnuts are common food sources of essential fatty acids like omega-3 recommended in a healthy Indian diet.
A concentrated source of energy in food, also called lipid. It carries flavour and some vitamins, but too much of the wrong kind is unhealthy.
Deterioration of fats producing off-flavours. Hydrolytic rancidity releases free fatty acids by lipase or water; oxidative rancidity is a free-radical chain reaction with oxygen at unsaturated bonds.
