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Home WikiFit

Fats

In this article you will find out everything there is to know about fats

Kurt Morgan by Kurt Morgan
10 August 2020
in WikiFit
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Table of Contents

  • SIMPLE LIPIDS
  • COMPOSED LIPIDS
  • DERIVATED LIPIDS
  • SATURATED FATTY ACIDS
  • UNSATURATED FATTY ACIDS
  • POLYUNSATURATED FATTY ACIDS
  • ESSENTIAL FATTY ACIDS
  • HYDROGENATED FATTY ACIDS

Fats, also called lipids (from the Greek lipos = fat) are a heterogeneous group of substances that have in common a low degree of solubility in water.

They are soluble in organic solvents such as benzene, ether or chloroform.

Fats are made of carbon, hydrogen, oxygen and carbohydrates, but the ratio of hydrogen to oxygen is much higher.

This characteristic makes them more energetic than carbohydrates in absolute terms but reduces their

fitzeen-fats-choco

energy efficiency with the same amount of oxygen consumed.

We mainly find them in foods of animal origin (fats) but are also abundantly present in the vegetable kingdom (oils).

Oils and fats are very similar chemically but, while the former are liquid at room temperature, the latter are solid.

There are over 500 types of fats, classified according to their molecular structure in simple compounds and derivatives:

SIMPLE LIPIDS

They are the most abundant in our body (about 95%) and in our diet (about 98% of lipids present in food are ingested in this form).

They represent the main form of deposit and use. Among the best known are waxes and triglycerides.

COMPOSED LIPIDS

Inside they are triglycerides combined with other chemicals such as phosphorus, nitrogen and sulphur. They represent about 10% of fats in our body.

Among the best known are phospholipids, glycolipids and lipoproteins.

DERIVATED LIPIDS

Derived from the transformation of simple or compound lipids.

The most important is cholesterol, but also vitamin D, steroid hormones, palmitic, oleic and linoleic acid.

Triglycerides derive from the union of a molecule of glycerol with three fatty acids which are formed by hydrocarbon chains ranging from a minimum of 4 to a maximum of 20 carbon atoms.

The fatty acids may be saturated or unsaturated.

BANNER-RED-TEA-DETOX-PROGRAM-BUY

SATURATED FATTY ACIDS

Are free of double bonds and therefore have the maximum number of hydrogen atoms.

We mainly find them in products of animal origin (eggs, milk and derivatives) but also in food of vegetable origin (coconut and palm oil).

UNSATURATED FATTY ACIDS

Contain one (mono) or more (poly) double bonds between carbon and hydrogen atoms.

POLYUNSATURATED FATTY ACIDS

They contain over two bonds between the carbon atoms in fish, nuts, sunflower oil, corn oil and some plant extracts.

ESSENTIAL FATTY ACIDS

The human organism can not synthesise them; they are the precursors of prostaglandins, thromboxanes and leukotrienes, substances that intervene in the immune system, in the inflammatory response and influence the cardiovascular system.

HYDROGENATED FATTY ACIDS

Vegetables fatty acids origin are normally liquid at room temperature.

They can be solid by the hydrogenation process which alters their chemical structure, making them particularly harmful to our health.

In this way, we get the so-called trans or hydrogenated fatty acids.

LEPITOX-SUPPLEMENTS

Triglycerides are the form of fatty acid storage, like glycogen and glucose.

During the energy processes, our body breaks down the bond between glycerol and fatty acids by channelling them into two different metabolic pathways.

While glycerol is used to produce glucose, free fatty acids are transported into the bloodstream in association with albumin, a plasma protein that transports them to the muscles where they form the energy substrate for oxidative processes.

If you liked our article and want to know more about the world of essential substances for our body, we send you to read our articles on proteins and carbs.

Previous Post

Carbs

Next Post

Proteins

Kurt Morgan

Kurt Morgan

Kurt Morgan is a published health author, London-based personal trainer and fitness consultant. He holds a bachelor's degree in kinesiology and nutrition. Morgan has spent the last decade educating others about the meaning of fitness, health, and a healthy mind.

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