Cholesterol Fat

cholesterol

Simply, cholesterol is not fat. Chemically, fats are generally triesters of glycerol and fatty acids, while cholesterol is a type of sterols, one of lipids broad group of naturally occuring molecules other than fats, waxes, fat-soluble vitamins (such as vitamins A, D, E and K), monoglycerides, diglycerides, phospholipids. It is called cholesterol fat probably when cholesterols are sticked together with fats such as trans fat and saturated fat in food. There are various types of fats in food

• Unsaturated fat
  • Monounsaturated fat
  • Polyunsaturated fat
  • Trans fat
  • Cis fat
  • Omega fatty acids:
    • Omega-3
    • Omega-6
    • Omega-9
• Saturated fat
  • Interesterified fat

Cholesterol molecule is formulated as C₂₇H₄₆O. Cholesterol is found in the cell membranes and transported in the blood plasma of all animals. It is an important component for the manufacture of bile acids, steroid hormones, and fat-soluble vitamins including Vitamin A, Vitamin D, Vitamin E, and Vitamin K.

About 20–25% of total daily cholesterol production occurs in the liver; other sites of high synthesis rates include the intestines, adrenal glands, and reproductive organs. For a person of about 68 kg (150 pounds), typical total body cholesterol synthesis is about 1 g (1,000 mg) per day, and total body content is about 35 g. Biosynthesis of cholesterol is directly regulated by the cholesterol levels present. The body compensates for cholesterol intake by reducing the amount synthesized. A higher intake from food leads to a net decrease in endogenous production, whereas lower intake from food has the opposite effect.

The amount of cholesterol fat present in plant-based food sources is generally much lower than animal based sources. In addition, plant products such as flax seeds and peanuts contain cholesterol-like compounds called phytosterols, which are suggested to help lower cholesterol levels in the blood serum. Phytosterols can compete cholesterol reabsorption in intestinal tract back into the intestinal lumen for elimination.

Total fat intake, especially saturated fat and trans fat, plays a larger role in blood cholesterol than intake of cholesterol itself. Those wishing to reduce their high cholesterol through a change in diet plan should aim to consume less than 7% of their daily calories from saturated fat and less than 200 mg of cholesterol per day.

Source: Wikipedia

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This entry was posted on Tuesday, January 3rd, 2012 at 8:10 pm and is filed under Cholesterol. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.