How much fat does a person have, and how much fat does a person consume per day?

Females are 20 years old, with a daily energy intake of 2300 kcal (mild 2100 kcal, severe 2700 kcal) for moderate physical activity, and a fat-to-energy ratio of 20 30%, calculated at the middle 25%. 2300*25% = 575kcal 575 9=g Females 20 years old, moderately physically active, daily fat intake.

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Men's fat content Women's fat content.

Normal 10-20% 15-25%.

Overweight 20-25% 25-30%.

Obesity >25% >30%.

Human fat is digested, decomposed, and absorbed! There is direct ingestion (eating)! There are also those that are obtained from the mother (this is a baby)!

So everyone's fat is different.

Many people think that the daily fat does not exceed 30 grams, which is written in the dietary guidelines of our country. This view is outright wrong. The dietary guidelines clearly state that these 30 grams are stir-fry oil. Rather than the amount of fat that should be eaten each day.

Any kind of natural food will contain fat, in addition to the pork, beef, lamb we all know have fat, including eggs, milk also has fat, in addition, all plant foods also have fat, including cabbage, broccoli, etc., remember, as long as you eat whole whole foods, they all contain fat.

According to the recommendations of China's dietary guidelines, fat provides 20 30% of energy. For an adult woman, the recommended amount of energy in China is 1800 kcal, so the amount of fat that should be consumed per day is 1800* grams. That is, for women, the amount of fat per day should be in the range of 40-60 grams.

A growing body of research is trending towards healthier energy from fat. Whether it is for people with **, cancer and Alzheimer's disease, increasing fat has a very good effect.

The amount of fat a person has depends on two aspects: the total amount of fat cells and the volume of individual fat cells.

Normal fat content of the human body:Of course, there is a difference in body fat content depending on the weight. Some people abroad use the special measurement of body water content to find body fat.

Bruzik synthesized the water content of the human body analyzed by chemical methods, the average of which is, when the age is years, height in centimeters, weight in kilograms, the water content in the body is, fat is 15 3 , protein, ash.

Regardless of the measurement method used to find body fat, the lipid content of adult men accounts for about 10 to 20 of body weight, and women are slightly higher. The amount of this fat varies with the nutritional status and the amount of activity. When you are hungry, your energy is consumed, your body fat is constantly decreasing, and your body is gradually emaciated.

On the contrary, if you eat too much, your consumption decreases, your body fat increases, and your body gradually becomes obese.

1. The proportion of fat in the body of normal people is: between 15% and 18% for men and 23% to 28% for women;

2. However, according to each person's age, height, weight and usual lifestyle, the body fat rate of each scattered individual is also different, if the body fat rate is too high, the weight exceeds more than 20% of the normal value can be regarded as obesity, obesity indicates insufficient exercise, overnutrition or some kind of endocrine system disease, and often causes hypertension, hyperlipidemia, arteriosclerosis, coronary heart disease, cholecystitis and other diseases; If the body fat percentage is too low, below the safe lower limit of body fat content, i.e. 5% for men and 13 to 15% for women, it may cause dysfunction;

3. The content of fat will also change with the amount of nutritional status and activity, when hungry, energy consumption, body fat will decrease, the human body will gradually lose weight, on the contrary, digging jujubes, eating too much, consumption will decrease, body fat will increase, and the body will gradually become obese.

The body fat percentage of boys is about 17-23%, the body fat percentage of girls is about 20-27%, 14 20% of boys under 30 years old, 17 23% of boys over 30 years old, 17 24% of girls under 30 years old, 20 27% of girls over 30 years old, and the average BMI value for boys is about 20 25% and the BMI value for girls is about 19 24%.

The largest component of the body is water, which accounts for about 50%-60% of body weight, followed by fat. Others are proteins, sugars, and inorganics contained in bones. Body fat percentage refers to the ratio of the amount of fat in the body to body weight.