Whether animal or vegetable fat has 9 calories per gram of heat. But decomposition of vegetable oils containing fatty substances, so moderate intake is useful, but does not mean that the heat lower. Generally considered vegetable oils are safe, you can eat, this notion is wrong, not only weight loss of feeding vegetable oil must be limited, so as to avoid losing weight does not work effectively, to healthy longevity should be even more so.
Required fatty acids there are three classes of people: multiple unsaturated fatty acids, unsaturated fatty acids and saturated fatty acids. Human common edible oils usually contain three fatty acids the body needs.
Daily fat intake per person per cent of total daily calories 20%, (controlling the amount of oil a day from 15 to 30 ml) per person per day to eat up the three fatty acids saturated fatty acids, not preference any oil or fat intake imbalances, will form a disease. Put it more precisely, daily food consumption of unsaturated fatty acids to 10%, plural unsaturated fatty acids to 10%, and less saturated fatty acids in 10%.
Main components of animal fat, coconut oil and palm oil is a saturated fatty acid, and multiple unsaturated fatty acid content is low. Heart disease after people leave the animal saturated oil, from vegetable oil saturation of oil uptake in plants.
Olive oil, corn oil unit of high unsaturated fatty acid content, the body needs in the three fatty acids, in units of unsaturated fatty acids need most, important sources of fatty acids in olive oil, corn oil can be used for this.
Sunflower oil, soybean oil and peanut oil, vegetable oil containing multiple unsaturated fatty acids of up to. Multiple unsaturated fatty acids are the main ingredients of edible oil, two other kinds of fatty acid content is not more. In three kinds of fatty acids, to multiple unsaturated fatty acids the most unstable, fried fried or fried at high temperatures, oil, oil oxidation of most susceptible to HIV. But had multiple unsaturated fatty acids in human cell membrane is one of the important raw materials. Also have the opportunity to be oxidized in the cell membrane, after oxidation, cell membrane loss of normal function and make people ill. So even if you do not eat animal fat and only eat the vegetable oil, overeat, also will increase the Carcinoma of large intestine and rectum, breast cancer, prostate cancer or other diseases of opportunities.
High-fat foods is one of the important causes people to get cancer, and cancer are major causes of human death, with the rich people\'s material conditions, our fat intake has also increased year by year, expected in the next decades, possibilities for people to get cancer will increase year by year. Formation of the cancer takes 15-45 years, the process is very slow, previous cancers occur in older people, and now there are signs of rejuvenation, so we should from now on form eat less fats habits to get slim now, future health.
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