Dietary fats

Dietary fats

Dietary fats are essential for functioning of the body, they are the most profitable energy supplier. One gram of fat are nine calories. Fats are included in the composition of cells – only in nerve cells of the shell are about 60 percent. Moreover, they help the absorption of fat-soluble vitamins and minerals in the intestine.

ZhiryZhiry be of vegetable or animal origin. In animal fats predominant saturated fatty acids, which make them hard and refractory.

Vegetable fats, except palm, coconut and cocoa butter content liquid due monounsaturated and polyunsaturated fatty acids. These important substances called essential because the body can not synthesize them itself and has to get together with food.

Saturated fatty acids are most in butter and other dairy fats, meat and fat animals. Unsaturated fatty acids have in olive oil, nuts and seeds, as well as in fish and fat.

Despite the great nutritional and energy value of fat, their share in the diet should not exceed 30 percent of total calories. There is a common statement that vegetable fats are lower in calories than animals, and much safer for the body. This is a fallacy. In 100 grams of vegetable oil about 98 percent of the actual fat and about 880 calories. Whereas in lard fat – 82 percent and its calorie 730 calories. The most high-calorie – fish oil, 100 grams of which 900 calories. Our site has the most accurate calorie table products, which have been prepared with the support of Nutrition.

We should not forget that both types of fats, vegetable and animal, are equally important for the normal functioning of the body.

In vegetable oils contain not only essential fatty acids, but also a large amount of vitamin E, lecithin, and a component of vitamin D – sterol. In animal fats, carotene and lecithin in addition, there are vitamins A, E, B1, B2, C and D. The most useful is a fish oil containing essential fatty acids. The most favorable ratio of 30 percent is considered vegetable and 70 percent animal fat in the daily diet of a person.

But given that the average intake of fat per day should not exceed 400 calories, easy to calculate: uncontrolled passion even very beneficial fats easily leads to excess weight.

Leave a Reply

Your email address will not be published. Required fields are marked *