The World Health Organization advocates that the daily intake of salt is less than 6 grams and oil is less than 25 grams.
A person's daily intake of salt is low, medium and high: daily supplement of1500mg is low, 2,400mg is medium and 3,500mg is high. Then the amount of salt converted into it is 3.8 grams (half a spoon), 5.8 grams (one spoon) and 8.9 grams (one spoon and a half) respectively.
Adults under the age of 50 only need to consume more than half a spoon (3.8 grams) of salt every day to supplement the sodium lost by sweating. If the working environment is hot, you should be exposed to the sun or sweat a lot, and only need to add a spoonful (5.8 grams) of salt every day. After 50 years old, people's demand for sodium will be reduced; After 70 years old, people's demand for sodium will be lower, and only half a spoonful (3.8 grams) of salt is enough every day.
The World Health Organization suggests that the daily sugar intake of adults and children should be controlled below about 25 grams (6 teaspoons), the daily salt intake of healthy adults should not exceed 6 grams and the cooking oil consumption should not exceed 25 grams.
People with high blood pressure are quite sensitive to salt intake. Medical workers have done a lot of experiments in this respect. One of the most striking experiments is called DASH for short. In this experiment, the doctor designed some healthy recipes that can lower blood pressure, including eating fruits, vegetables, low-fat dairy products, bran, beans, nuts, fish, lean meat, poultry, etc., and divided them into three grades according to the sodium content.
The whole experiment lasted 12 weeks, and more than 400 volunteers participated. They rotate every four weeks according to the sodium content according to the recipe prescribed by the doctor. The results showed that the diet with the lowest sodium content had the best effect on lowering blood pressure for all subjects. For patients with hypertension, the effect of low sodium diet is almost the same as that of taking antihypertensive drugs!
In 2007, a research team of Harvard University also found that those who kept their sodium intake at 2000-2600 mg a day for a long time had a 30% decrease in the incidence and mortality of heart disease in the following 10- 15 years.
legal ground
Food Safety Law of the People's Republic of China
Article 24 The formulation of food safety standards shall be scientific, reasonable, safe and reliable with the aim of ensuring public health.
Article 25 Food safety standards are mandatory standards. In addition to food safety standards, no other mandatory food standards may be formulated.