Basic knowledge of food safety

1, pay attention to hygiene, wash your hands before meals, rinse your mouth after meals, and don't grab food with your hands.

2, eat slowly, don't wolf down. Concentrate on eating and don't joke.

Don't buy food at unlicensed stalls in the street.

4. Don't buy products of unknown origin or expired food.

5. Wash raw fruits and vegetables. Fruits and vegetables with skins should be peeled as much as possible.

6, long-term picky eaters, partial eclipse is not conducive to health, often resulting in malnutrition, iron deficiency anemia and so on.

7, three meals a day should be reasonable, moderate diet, and regular diet. Not picky about food, not partial eclipse, not overeating.

8, overeating makes energy and nutrition intake too much, which is easy to cause obesity and affect people's health.

9, the diet should be light and less salt, eating too much salty food increases the risk of high blood pressure.

10, puffed food such as potato chips and ice cream. It is a food with high fat, high calorie and low crude fiber and cannot be eaten often.

1 1, don't be greedy for cold drinks. Eating more cold drinks will make the temperature of digestive tract plummet, leading to gastrointestinal dysfunction and inhibiting gastric acid secretion.

12, eating snacks should be selective and timely. Don't eat near dinner. It is not a good habit to eat snacks and watch TV before going to bed.

13, peanuts, walnuts and other nut foods contain more minerals such as protein, vegetable oil, phospholipids, vitamins, iron and zinc, which are good snacks to develop the brain and enhance memory.

14, eat less fatty, salty, smoked and fried foods.

15, chocolate is not a nutrient. Chocolate is high in calories but low in nutritional value. Eating too much chocolate is prone to gastrointestinal symptoms, affecting appetite, and not eating too much.

16. Drinking water in moderation every day is good for health, and boiled water is the best drinking water. Drink more boiled water and less sweet drinks.

17, students should drink a small amount of water several times a day, about 200 ml each time, and don't wait until they are thirsty.

18. Drinking sugary drinks in large quantities for a long time may cause the risk of short stature, fracture, dental caries and obesity among teenagers. Don't treat drinks as boiled water.

19. The nutrients needed by human body mainly include protein, lipids, carbohydrates, minerals, vitamins and water. Modern nutrition lists dietary fiber as the seventh largest nutrient.

Vegetables can provide vitamins, minerals, dietary fiber and so on, so we need to eat vegetables every day.

2 1. The main food sources in protein are fish, shrimp, meat, eggs, milk, soybeans and their products.

22. Milk is the best source of calcium for human body. Calcium in milk is easily absorbed by human body and is an ideal food to promote the development of bones and teeth of teenagers.

23. Drinking milk for a long time can enhance immunity and achieve the purpose of preventing and reducing diseases.

24. Some people have low lactase content, and symptoms of diarrhea or bloating will appear after drinking milk, which is medically called "lactose intolerance".

25. If milk is swollen, caked or layered, it cannot be eaten.

26. The best way for lactose intolerant patients to enjoy dairy products is yogurt or cheese, or they can drink soy milk instead.

27. Soybean (soybean) is the most abundant food in protein among plants, with high nutritional value, and is called green milk.

28. Edible oil can be divided into vegetable oil and animal oil. The main component of oil is fat.

29. The human digestive tract includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine and anus.

30. Rotten, spoiled and contaminated food cannot be eaten.

3 1. Germinated or green potatoes contain toxic solanine and cannot be eaten.

32. Wild mushrooms can't be picked and eaten casually. Poisonous mushrooms can be seriously poisoned and even life-threatening.

33. Don't pick wild fruits by the roadside, under trees or beside river ditches.

34. Nuts such as peaches, plums, apricots and plums contain phytotoxins and are strictly forbidden to eat.

35. Don't freeze the frozen fish any more.

36. Leftover food should be stored in the refrigerator as soon as possible, and the storage time should not be too long. It should be thoroughly heated when it is eaten again.

37, galvanized container can't store acidic food or drink.

38. When buying food, carefully distinguish the production date and shelf life, and don't buy products of unknown origin or expired food.

39. Health food is generally only suitable for specific people, while ginseng, royal jelly and pilose antler are not suitable for children.

40. Understand the relevant signs: pollution-free agricultural products signs, green food signs, organic food signs, and food production licenses (SC).