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Knowledge of food hygiene and safety
3. Moderate drinking can prevent heart disease and cancer; Enriching blood and nourishing face can be used as a beauty method, which has a certain weight loss effect.

4. Tea contains theophylline and tea polyphenols, both of which have bactericidal and anti-inflammatory effects. Vitamins C, E, B, E and B contained in tea can slow down cold symptoms.

Give your baby eggs, you should only eat egg yolk, not protein, because the egg yolk contains vitamins A, D, copper and iron that are urgently needed and easily absorbed by the baby, but the protein and membrane do not contain allergens, which can prevent the baby from allergic eczema and urticaria.

6. Pay attention to the "three glands" on pork, namely thyroid gland (around the head), adrenal gland (near the waist) and lymph gland (neck and legs). These three glands are inedible.

7. Learning about drinking water in summer: drinking at will has disadvantages. Drinking water is thirsty, it is better to drink tea to relieve summer heat, and cold drinks are not as good as cold water.

8. Don't drink boiled water or boiled water that has been kept in a thermos for several days, because the nitrite in it has increased.

10. boiled water is the first choice for detoxification, because it can dilute the concentration of toxins in body tissues, accelerate their metabolism, and promote the timely excretion of toxins from urine.

1 1. Eating fruits cannot replace vegetables. The contents of vitamin A, vitamin B 12 and vitamin C in fruits and minerals are less than those in light-colored vegetables, while the contents of light-colored vegetables are less than those in green vegetables and yellow vegetables.

12. Nutrition research has confirmed that all kinds of vitamins in vegetables will be lost more or less once heated, and the scientific way to eat them is to eat them raw. There are many plants that can be eaten raw, such as carrots, cabbages, beets, cauliflowers, mushrooms, cashews, melon seeds, seaweed and malt.

13. The specified shelf life of food refers to the best edible period of food, that is, the period to maintain the quality of food under the conditions specified in the food label. During this period, all the indicators of food meet the requirements of labels or product standards; The shelf life of food can be understood as the validity period, which refers to the final edible period of food under the conditions stipulated in the label.

15. Foods that should not be eaten more: preserved eggs, instant noodles, stinky tofu, sunflower seeds, animal offal, roast beef, mutton, pickles and fried dough sticks.

16. vermicelli is a food rich in aluminum and should not be eaten more. Drinking liquor should prevent lead poisoning.

17. In order to prevent lead poisoning, it is best to drink 1~2 cups of milk and eat garlic and fruits and vegetables rich in vitamin C every day.

18. Ten taboos of daily diet: no snacks, no hunger, no salty food, no sweets, no fast food, no eating while watching, no eating while walking, no laughing, no eating cold and overheated food, and no eating sweet and overweight products.

19. Six taboos on an empty stomach: avoid drinking, smoking, drinking tea, drinking milk and soy milk, and eating persimmons. Eat sugar in advance.

20. Eating raw eggs is harmful to the human body and can cause poisoning; Eggs are too dirty to be washed with clean water. Cooked eggs should not be cooled with cold water.

2 1. Vegetable soup should be finished on the same day. Vegetables contain more nitrate. If cooked for a long time, nitrate will be reduced to nitrite under the decomposition of bacteria, which is harmful to human body.

22. Eating fresh daylily can cause food poisoning, because fresh daylily contains colchicine, which is non-toxic. After entering the human body, it is oxidized into colchicine, which is highly toxic.

23. Many people like to eat fruits with skins, and think that some nutrients in the skins are richer than those in the pulp. In fact, this way of eating is wrong. Eating fruits with skins often leads to pesticide poisoning. After spraying pesticides on fruits, most of them remain in the peel.

24. Excessive consumption of monosodium glutamate can cause poisoning. In addition, don't put monosodium glutamate too early, because monosodium glutamate will become toxic when heated for too long.

25. Yogurt retains nutrients such as protein and fat in fresh milk, and can also stimulate gastric acid secretion, increase appetite and promote metabolism. Lactic acid bacteria in yogurt can produce lactic acid, reduce the PH value in intestine, inhibit the growth of spoilage bacteria and reduce the harm of toxic substances to human body.

26. At present, people still have some misunderstandings about eating: First, they are not tired of eating. When it comes to nutrition, it seems that they can't live without delicacies, chickens, ducks and fish; Another extreme tendency is to be vegetarian and not touch any animal products.

27. Adults drink 6-8 glasses of water every day on average. To detoxify, you need to drink more water.

28. Adding proper amount of vinegar to cold salad can not only make the dish delicious, but also kill the germs in cold salad, especially seafood.

29. Radish, known as "Little Ginseng" among the people, has eight times the vitamin C content of pears and oranges, and also contains higher riboflavin.

30. According to the General Standard for Food Labeling, under no circumstances can the date of production of food be omitted, and the shelf life and storage period can be marked at the same time or at the same time.

3 1. Eight foods that can remove body fat: tea, onion, garlic, apple, milk, oats, corn, fish and chrysanthemum.

32. Five kinds of foods that can remove pollution in the body: fresh fruit and vegetable juice, kelp, mung bean soup, black fungus and fungi, and burdock.

33. Eating bitter food in summer, such as beer, tea and bitter gourd, has the functions of stimulating appetite, diuresis, promoting blood circulation and diminishing inflammation.

Many people think that spoiled food will not be poisoned as long as it is cooked, disinfected and eaten again. In fact, the food poisoning caused by the use of spoiled food does not lie in the bacteria themselves, but in the toxins produced by these bacteria.

35. Bean products have high nutritional value, but if they are eaten too much, they are also harmful and will lead to atherosclerosis.

36. Either sour food or acidic food. Everything that decomposes in the body to produce acidic metabolites is acidic food. Candy, dairy products, cakes, drinks and other sweets are typical acidic foods with high sugar content, so the intake should be controlled.

37. Synthetic perfume is extracted from petroleum or coal tar, which has certain toxicity.

38. Saccharin is a sweet condiment with no nutritional value. If the human body ingests too much, it will induce bladder cancer.

39. If bean sprouts are found to be thick, the color is wrong, and they smell of ammonia, most of them are made of chemical fertilizers and cannot be eaten.

40. Persimmons, sweet potatoes and crabs should not be eaten together.

4 1. Milk and chocolate can't be eaten together. Milk contains calcium and protein, while chocolate contains oxalic acid, which will combine to form oxalic acid.

42. Taking medicine with fruit juice will reduce the efficacy, increase the stimulation and produce harmful substances.

43. During the tonic period, do not eat raw radish, strong tea, seafood, cold and greasy food.

44. Honey belongs to weakly acidic food and should not be stored in iron containers.

45. Eating too much refined sugar is harmful to the human body, which will overload the brain and easily cause physical and mental diseases.

8 1. For children's favorite western-style fast food, such as hamburger special meals (including beef hamburgers, French fries, cola, etc. ), the ratio of calcium to phosphorus is lower than 1, which is not conducive to calcium absorption. "Foreign fast food" enters China, and junk food endangers the health of people in China! "Foreign fast food" has the characteristics of three highs (high calorie, high fat and high protein) and three lows (low minerals, low vitamins and low dietary fiber). Nutritionists have nicknamed "foreign fast food"-energy bomb and junk food. Because eating a foreign fast food is equal to the lower limit of your daily energy consumption. It is conceivable that if your child eats bombs every day, can this child be healthy? On April 24, 2002, the Swedish National Security Bureau announced the latest research results, and found that French fries, hamburgers, biscuits, roast pork and so on contained a lot of acrylamide. Because acrylamide damages the central nervous system and can induce benign or malignant tumors, some scholars believe that this explains the high incidence of tumors in western countries. On March 24, 2004, the US Food and Drug Administration announced the inspection results of 750 kinds of foods, which once again confirmed that French fries, potato chips, popcorn and fried chicken had the highest carcinogen content.

85. Vitamin E has antioxidant effect: Vitamin E, together with other antioxidant substances and antioxidant enzymes, forms an antioxidant system in the body to protect biofilm and other protein from free radical attacks.

86. The relationship between energy nutrients and vitamins: ① The supply of vitamin B 1, B2 and nicotinic acid is directly proportional to the total energy intake; ② The more polyunsaturated fatty acids in the diet, the easier it is for the body to produce peroxides. At this time, it is necessary to increase the intake of vitamin E to prevent oxidative damage. ③ If there is too little protein in the diet, vitamin B2 can't stay in the body and be excreted through urine.

87. Dietary fiber: It is a polysaccharide that cannot be digested and absorbed by the human body. Mainly includes cellulose, hemicellulose, lignin, pectin, gum and so on.

88. Physiological significance of dietary fiber: a, enhancing intestinal function and promoting fecal excretion; B, control weight and lose weight; C, can reduce blood sugar and blood cholesterol, that is, prevent and treat hyperlipidemia and diabetes; D, preventing colon cancer; E, prevention and treatment of diverticulosis, squeezing disease, gallstones.

89. Iron is the most essential trace element for human body.

90. Food additives refer to chemical synthetic or natural substances added to food to improve the quality, color, aroma and taste of food and the needs of preservation and processing technology.

95. Sweeteners refer to food additives that give food sweetness. According to its source, it can be divided into natural sweeteners and synthetic sweeteners, according to its nutritional value, it can be divided into nutritional sweeteners and non-nutritional sweeteners, and according to its chemical structure and properties, it can be divided into sugar sweeteners and non-sugar sweeteners. At present, there are 20 kinds of sweeteners approved for use in China.

96. Defoamers are substances that reduce surface tension and eliminate foam during food processing. In the process of food processing, such as fermentation, stirring, boiling and concentration, a large number of bubbles will be produced, which will affect the normal operation and must be eliminated or prevented in time.

97. Nutrients refer to organic and inorganic substances in food that can be digested, absorbed and utilized by the human body. That is, the effective ingredients with nutritional function in food. Comprises protein, fat, carbohydrates, vitamins, inorganic salts and water.

98. Protein complementation: It is called "protein complementation" to advocate food diversification in diet, mix various foods, make essential amino acids complementary, make the model closer to human needs, and improve the nutritional value of protein.

97 .. Iron pots can't be used for overnight dishes, or they will rust easily.

98 .. After thawing, the skin of deteriorated poultry is sticky and inelastic, and the meat section is dull, green and smelly.

99. Uncooked soybean milk is not edible.

100. Children should not eat more food:

Tea will make children's intelligence decline.

Alcohol and children's drinking will cause chronic alcoholism and pose a serious threat to their physical and mental health.

Coffee, due to the effect of caffeine, will make children's heart beat faster, cause arrhythmia, produce excitement and insomnia, and affect rest and physical recovery.

Sugar can lead to obesity. Eating too much sugar can also lead to the increase of eosinophils, tooth corrosion, dental caries and calcification of bones and teeth. It can also make children weak, grumpy and seriously affect their cranial nerves. There are also ginseng food, canned food, aluminum-containing food, smoked food, lead-containing food, pickled food, multi-flavor melon seeds, salty food and chilled food.