It is an important macronutrient and is also an important part of diet for all animals and humans.
What are Fats: The food which we take from various sources which provides us energy and other substances the body needs. The food which we take contain three major nutrients and they are carbohydrate, fate, protein.The body uses them as a source of energy for maintaining normal metabolic activities.We get carbohydrates from wheat, cereal crops, potatoes, peas and other starchy vegetables, protein from meat, egg, pulses, etc and fat from oil seeds, butter, cream, milk, etc. Fat is also known as fatty acid and it is made up of three important elements : carbon, hydrogen, oxygen but the amount of carbon is in maximum quantity. It is an important macronutrient and is also an important part of diet for all animals and humans. Body stores fat for protection, warmth, and energy. Different types of fats that are saturated and unsaturated keep our body healthy in different ways. Different Sources of Fat: There are different sources from where we can extract fat or fatty as they are important sources of stored energy in our body as fat happens to be the most concentrated source of energy in the diet as they provide about 8 to 9 calories per gram. Important source of fats are given below:
Classification of Fats: Based on various factor fats are classified into various categories they are:
Types of Fats: There are mainly two types of fat they are:
Saturated fat is those fat which remains in solid form at room temperature they are also called solid fats. Their basic carbon structure is saturated with hydrogen atoms. This type of fat may increase health risk if it is consumed for a long period. A high intake of saturated fat increases the level of low density lipoprotein(LDP) cholesterol in the body, this increases the risk of cardiovascular disease or causes stroke in arteries.Various sources are:
Unsaturated fat remains in liquid form at room temperature, and they are mostly extracted from plant oils. It is a kind of good fat. There are mainly two types of unsaturated fats, they are:
Sources of monounsaturated fatty acids are:
What are Trans Fats: They are manufactured fats. They are products which add hydrogen to liquid vegetables oil to make them more solid in texture. They are also known as hydrogenated fats. Major examples of trans fats are cake, cookies, fried potatoes, potato chips, etc. Essential Fats: There are so many fats which are synthesized by our body, but there fats also which are taken through diet and this type of fat are called essential fats as they are taken in an indirect way for proper functioning of the body. Example: Linoleic, linolenic, and arachidonic acids How Fats are Digested in Our Body: When we intake food fat is separated from other food substances and in this small intestine there emulsification occurs by intine bile juice further this emulsified fat is absorbed by intestinal cells. Long -chain fatty acids form a large protein structure known as chylomicron and this transport fat to the lymph system. Why Stored Fat is Necessary for Our Body: Stored fat perform various essential function like:
Saturated fats are mainly solid at room temperature and they lack double bonds between individual carbon atoms. They are harmful for our body.
They are manufactured fats. They are products which add hydrogen to liquid vegetables oil to make them more solid in texture. They are also known as hydrogenated fats.
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