Many people hear the word fat just as met the ghost, will find ways to reduce the daily intake of fat .We often think it is a killer of health .However, for a professional dietitian, the fat In fact, the daily healthy diet, must be important food intake. In the end why?
Fat will eat fat
If you often eat fatty foods, it is definitely not fatal, but if you just take regular intake of certain amount of fat every day, it not only will not get fat, but fat will make your skin, hair and brain healthier .
1 gram of fat is 9 calories, so as long as the basis of their daily calories required, and then adjust the fat intake can be modest. Recommended daily calories required 20% should be from the "healthy fat" would be better .
Fat on the human body is not good?
The role of fat on the human body has four main aspects:
Supply of body heat. Fat oxidation in the human body into carbon dioxide and water, release heat. The fat produced by the heat about the same amount of protein or carbohydrates 2.2 times. This shows that fat is an important source of body heat .
Constitute the role of body tissues and bioactive substances.Fat is one of the important components of the body cells, especially in the brain, liver, kidney and other vital organs contain a lot of fat in the body also constitutes a body tissue and bioactive substances such as The main component of the cell membrane, the formation of phospholipids, glycolipids and so on.
Adjust the physiological function of the role.Because fat is not a good thermal conductor, so the composition of subcutaneous adipose tissue is to protect the body of the isolation layer, to prevent the release of body temperature, so the body temperature to maintain the role of fat.Fat can also store 'fuel' As a spare, after eating fat, the temporary consumption of the remaining part of the body can be present, such as the body when the need for calories re-use. In addition, there are fats to protect the internal organs, moisturize the skin, and shock-proof.
The role of dissolved nutrients.Some insoluble in water and soluble in fat vitamins, only in the presence of fat can be absorbed by the body.
Fat is fat
Many people do not know that there are actually many different types of fat, which are very different from each other. "Polyunsaturated fat" and "monounsaturated fat" are actually good for heart health and can be easily burnt by the body.
However, "saturated fat" and "trans fat" are more likely to accumulate in the body and become body fat, and the more common sources of "saturated fat" are tallow, beef fat, and pork and chicken fat.
Trans fat, on the other hand, comes mainly from hydrogenated vegetable oils from processed foods.
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