Omega- fatty acids Olive oil avocados peanuts almonds Corn oil safflower oil sunflower oil Eicosapentanoic acid(EPA) fish,shellfish Docosahexaenoic acid(DHA) fish,shellfish α-linolenic acid(ALA) flaxsed,soybean,walnut, rapeseed oil Fig . : Classification of fats based on fatty acids - - Proteins and lipids frying are visible fats. These are also known as pure fats. Many foods like milk, cream, egg yolk, meat, fish and even cereals and legumes contribute substantial amount of invisible fats (not visible in the food) to the diet.
the methyl end. Omega- fats, also known as linoleic acid, are available only in food. The human body cannot make them, so they are considered as essential fats. They support brain function, bone health, reproductive health, hair growth and regulation of metabolism.
Good sources of linoleic acid include vegetable oils. . . On the basis of requirement Fatty acids are of types: ) Essential Fatty Acids Fatty acids which are essential to be taken in our diet because they cannot be synthesized in our body are known as Essential Fatty Acids.
(eg.) Linoleic, linolenic and arachidonic acids. ) Non-Essential Fatty Acids Non-Essential Fatty Acids are those which can be synthesized by the body and which need not be supplied through the diet. Palmitic acid, oleic acid and butyric acid are examples of non– essential fatty acids. .
. On the basis of sources Fats are divided into types based on their source, namely visible and invisible fats. Some fats and oils added to food or used for Fig . : Sources of visible and invisible fats Visible Fat Invisible Fats ACTIVITY - Match the right answer ) Fish oil - MUFA ) Olive oil - Saturated fat ) Corn oil - Omega fatty acid ) Cholesterol - Pulses ) Red meat - Omega fatty acid ) Invisible fat - Organ meats Fig .
: Rich sources of omega- fatty acids Fig . : Rich sources of omega- fatty acids - - Proteins and lipids LDL (often referred to as "bad cholesterol"), lowering levels of the lipoprotein HDL (often referred to as "good cholesterol"), increasing triglycerides in