Catering Life Knowledge 1. Dietary Hygiene Knowledge

Originally Posted By: longxiaoye9

Dietary Safety Knowledge for Elementary School Students 1. don't eat wild vegetables and fruits randomly. 2. don't eat rotten and spoiled food. 3. don't buy and consume poor-quality food and drinks sold by street vendors or three-without-foods. Drinks (no place of origin, no production date, no shelf life). 4. Do not drink raw water. Do not consume expired food and beverages.5. Do not eat in places with poor sanitary conditions.6. Do not eat raw seafood, river food, meat, etc.7. Do not consume diseased or dead poultry or livestock meat.8. Wash raw fruits and vegetables. If you do not wash them, you may not only catch diseases, but also cause pesticide poisoning.9. Do not eat food and drinks delivered by strangers.10. Before eating and drinking various foods, you should smell, look at, and taste the food you drink, and if there is any abnormality, you should stop eating and drinking immediately. General Knowledge of Safety for Primary School Students - Dietary Hygiene In daily life, people often have some unhygienic dietary habits and behaviors, but many people have not yet paid attention to this, which is very detrimental to the health of the body. "Disease enters by the mouth" is the truth of this saying, to pay attention to: 1, to develop the habit of washing hands before eating. People's hands every day to do this and that, contact with a variety of things. Will be contaminated with germs, viruses and parasite eggs. Seriously wash your hands with soap before eating, in order to reduce the possibility of "illness from the mouth". 2, eat raw fruits and vegetables to wash. Fruits and vegetables in the growth process will not only be contaminated with germs, viruses, parasitic eggs, and residual pesticides, insecticides, etc., if you do not clean, not only may be infected with the disease, but also pesticide poisoning. 3, do not eat wild vegetables, wild fruit. Wild vegetables, wild fruits of many kinds, some of which contain harmful toxins, inexperienced people are difficult to identify clearly, only do not eat wild vegetables, wild fruits, in order to avoid poisoning, to ensure safety. 4, do not eat rotten and spoiled food. Food spoilage, it will taste sour, bitter; exudes a strange odor, which is due to a large number of bacteria

2. dietary safety common sense what

(1) to develop good eating habits. Don't gobble when you eat; don't do other things at the same time when you eat, and don't chase each other or play around; eat three meals a day at regular intervals, and don't overeat.

(2) Get into the habit of washing your hands before eating. People's hands do this and that every day, contact with a variety of things. They are contaminated with germs, viruses and parasite eggs. Eat something before carefully wash your hands with soap in order to reduce the possibility of "illness from the mouth".

(3) eat raw fruits and vegetables to wash. Fruits and vegetables in the growth process will not only be contaminated with germs, viruses, parasite eggs, and residual pesticides, insecticides, etc., if you do not clean, not only may be infected with the disease, but also pesticide poisoning.

(4) do not eat wild vegetables, wild fruit. There are many kinds of wild vegetables and wild fruits, some of which contain toxins that are harmful to human beings, and it is difficult for inexperienced people to recognize them clearly, so only if you don't eat wild vegetables and wild fruits casually, you can avoid poisoning and ensure safety.

(5) Do not eat rotten food. Food rotting and spoilage, it will taste sour, bitter; exudes a peculiar smell, which is caused by a large number of bacterial reproduction, eating these foods will cause food poisoning.

(6) Do not buy and consume poor-quality food and beverages from street vendors. These poor-quality foods and drinks are often of substandard hygiene quality, which can be harmful to your health if you eat or drink them.

(7) When purchasing food and beverages in stores, pay special attention to whether the date of manufacture and shelf life are marked, and do not buy expired food and beverages. Do not eat or drink expired food and beverages.

(8) Do not drink raw water. It's hard to tell whether the water is clean or not with just the naked eye, and clear water may contain germs and viruses, so it's safest to drink boiled water.

Extended information

Travel in the food hygiene tips

(1) pay attention to drinking water hygiene.

Generally speaking, raw water is not drinkable, the journey drinking water to boiling water and disinfection and purification of tap water is the most ideal, followed by mountain springs and deep wells, rivers, ponds, lakes, and can not be raw drinking. When there is no qualified water to drink, we can use fruits and vegetables instead of water.

(2) Melons and fruits must be washed or peeled to eat.

Eating fruits and melons must be peeled. In addition to pesticide contamination of melons and fruits, in the process of picking and selling will also be contaminated by germs or parasites.

(3) Treat every meal with care, and don't be afraid to eat what you're hungry for.

High-grade restaurants can generally be assured to eat, stalls can be selective to eat, stalls or street vendors (carts selling) do not go to eat. Traveling although hungry quite a lot of cases, but the stalls and vendors of food can not be touched. If you are hungry, it is tantamount to joking with your life.

(4) learn to identify whether the food store health qualified.

Qualified general standards should be: a health permit, a clean water source, disinfection equipment, fresh food ingredients, no flies, dust control equipment, clean surroundings, collectors do not touch the food and the money ticket and food to maintain a considerable distance.

(5) In the car, boat or airplane, we should eat and drink in moderation.

When traveling, due to the lack of movement conditions, the food digestion process is prolonged, slowed down, if you do not moderate diet, is bound to increase the burden on the stomach and intestines, causing gastrointestinal discomfort.

Sogou Wikipedia - dietary safety knowledge

3. Catering life health knowledge

Life health knowledge

1, often eat late-night snacks. The first thing you need to do is to get rid of it. Because the stomach can not get rest

2, can only eat four eggs a week. Eat too much. It is not good for the body

3, chicken *** carcinogens, do not eat better

4, eat fruit after meals is the wrong idea. It should be before meals to eat fruit

5, girls menstruation. Do not drink green tea. Anyway, do not drink tea on the right. Eat more things that can replenish blood

6, drink soybean milk do not add eggs and sugar. Do not drink too much

7, do not eat tomatoes on an empty stomach, it is best to eat after meals

8, wake up in the morning. Drink a glass of water first. Prevent stones

9, do not eat three hours before bedtime. Will be fat

10, drink less milk tea. Because of the high calorie. High oil. No nutritional value to speak of. Long-term drinking. Easy to develop high blood pressure. Diabetes.

11, freshly baked bread should not be eaten immediately

12, away from the charging seat. The human body should be away from more than 30 centimeters. Do not put on the bedside

13, drink water every day eight cups

14, ten glasses of water a day. Bladder cancer will not come

15, drink more water during the day. Drink less water at night

16, do not drink more than two cups of coffee a day. Drinking too much can lead to insomnia and stomach pain

17. Eat less greasy food. Because it takes 5 to 7 hours to digest, and make the blood in the brain to focus on the stomach and intestines. Easy to faint

Drowsy

18, after five o'clock in the afternoon. Meals less eat less, because after five o'clock the body does not need so much energy

19, 10 kinds of food to eat will be happy: deep-sea fish, bananas, grapefruit, whole-wheat bread, spinach, garlic, pumpkin, low

fat milk, chicken, cherries

20, sleep deprivation will be stupid, a day must be eight hours of sleep, have a nap habit will not be old

21, The best time to sleep is at 10:00 pm to 6:00 am

22, do not drink more than one glass of wine a day, because alcohol inhibits the production of antibodies to the B-cells, increasing the chances of bacterial infections

23, take the capsule should be swallowed with cold water (you can be the first to eat), and 30 minutes before bedtime to take the medicine. Avoid lying down immediately

24, sour plums to prevent the aging effect, youth forever; liver fire problem should be eaten more

25, hair loss factors: late at night, stress, alcohol and tobacco, chicken fillet. Spicy pot. Greasy food. Seasoning too heavy cuisine

26, to help hair growth: more eating cabbage, eggs. Beans; eat less sweets (especially fructose)

27, a cup of lemon juice, orange juice every day. Not only can whitening can also lighten the dark spots

28, apple is a motorcycle, addicts, housewives, a day a good medicine, in order to let themselves have a

clean lungs

29, smoking and eating vitamins (B carotene - A vitamin of a), will cause cancer, quit smoking as soon as possible. It is the healthiest

practice

30, women should not drink tea in five periods: menstruation, pregnant women, prenatal. After birth, menopause

31, smoking, the biggest relationship is lung cancer, lip cancer, tongue cancer, laryngeal cancer, esophageal cancer, but also with bladder cancer

32, drinking alcohol leads to cirrhosis of the liver . Liver cancer

33, betel nut can lead to oral fibrosis, oral cancer

34, food is too fine, lack of fiber; contains a lot of fat, especially cholesterol can cause stomach cancer

35, food is too rough, nutritional deficiencies lead to esophageal cancer, gastric cancer

36, aflatoxin in the food, nitrites have carcinogenic properties, but also have the potential to cause cancer. Nitrites are carcinogenic

37, do not smoke. Refuse to inhale second-hand smoke

38, moderate drinking, do not fight long. Not drunk

39, reduce the consumption of salt. Smoked and barbecued food

40, daily intake of fresh vegetables and fruits

41, daily intake of high-fiber grains and legumes

42, daily intake of a balanced diet, but not too much

43, to maintain an ideal body weight, not too fat

43, to maintain an ideal body weight, not too much

44, to maintain an ideal body weight, not too much. But not fat

44, maintain a regular life and exercise

45, maintain a relaxed and happy mood

46, the correct eating habits: eat in the morning like the emperor, eat at noon like the common people, eat at night like beggars

4. I'm not sure if I'm going to be able to do that. Because the stomach can not rest 2, a week can only eat four eggs. Eat too much. It is not good for the body 3, chicken *** carcinogens, do not eat better 4, eat fruit after meals is the wrong idea. It should be eaten before meals 5, girls menstruation. Do not drink green tea. Anyway, do not drink tea on the right. Eat more things that can replenish blood 6, drink soy milk do not add eggs and sugar. Do not drink too much 7, do not eat tomatoes on an empty stomach, it is best to eat after meals 8, wake up in the morning. Drink a glass of water first. Prevention of stones 9, three hours before bedtime do not eat. Will be fat 10, drink less milk tea. Because of high calories. High oil. No nutritional value to speak of. Long-term drinking. Prone to high blood pressure. Diabetes. 11, freshly baked bread should not be eaten immediately 12, away from the charging seat. The human body should be away from more than 30 centimeters. Do not put it next to the bed 13, drink water every day, eight cups 14, ten cups of water a day. Bladder cancer will not come 15. Drink more water during the day. Drink less water at night 16, do not drink more than two cups of coffee a day. Drinking too much can lead to insomnia and stomach pain. 17, eat less greasy food. Because it takes 5~7 hours to digest, and make the blood in the brain to focus on the stomach and intestines. Easily drowsy 18, after five o'clock in the afternoon. Large meals eat less, because after five o'clock the body does not need so much energy 19, 10 kinds of food to eat will be happy: deep-sea fish, bananas, grapefruit, whole-wheat bread, spinach, garlic, pumpkin, low-fat milk, chicken, cherries 20, sleep deprivation will become stupid, a day must be eight hours of sleep, nap habits will not be old 21, the best time to sleep is in the evening at 10:00 pm ~ 6:00 a.m. 22, every day, alcohol should not be More than one cup of alcohol a day, because alcohol will inhibit the production of antibodies to the B cells, increasing the chance of bacterial infection 23, taking capsules should be swallowed with cold water (can be the first to eat), 30 minutes before bedtime to take medication. Avoid lying down immediately 24, sour plums to prevent the aging effect, youth forever; liver fire has a problem with the desirability of eating more 25, hair loss factors: late at night, stress, alcohol and tobacco, chicken fillet. Spicy pot. Greasy food. Seasoning too heavy cuisine 26, to help hair growth: eat more cabbage, eggs. Beans; eat less sweets (especially fructose) 27, a cup of lemon juice, orange juice every day. Not only can whitening can also lighten dark spots 28, apples are bikers, addicts, housewives often prepared medicine, a day a, in order to allow themselves to have a clean lungs 29, smoking and eating vitamins (B carotene - A vitamin of a), will cause cancer, quit smoking as soon as possible. It is the healthiest practice 30, women should not drink tea in five periods: menstruation, pregnant women, before giving birth. Smoking is most related to lung cancer, lip cancer, tongue cancer, laryngeal cancer, esophageal cancer, and bladder cancer. 32. Drinking alcohol leads to cirrhosis of the liver. Eating betel nut can lead to oral fibrosis and oral cancer. 34. Food is too fine and lacks fiber, and a large amount of fat, especially cholesterol, can lead to stomach cancer. 35. Food is too rough, and insufficient nutrition can lead to esophageal cancer and stomach cancer. 36. Aflatoxin in food is carcinogenic. Nitrite is carcinogenic. 37. Do not smoke. Refuse to inhale second-hand smoke 38, moderate drinking, do not fight for a long time, do not get drunk 39, reduce the consumption of salt. Do not get drunk. 39. Reduce the consumption of salted, cured, smoked and barbecued food. 40. Smoked, barbecued food 40, daily intake of fresh vegetables and fruits 41, daily intake of high-fiber grains and legumes 42, daily intake of a balanced diet, not excessive 43, to maintain an ideal body weight, not fat 44, to maintain a regular lifestyle. Not fat 44, maintain a regular life and exercise.

5. General knowledge of table manners

1, the etiquette of seating:

First, guests are invited to take their seats, and then the elders are invited to take their seats next to the guests in order to take their seats from the left side of the chair. Do not move chopsticks after being seated, and do not make any noise, and do not get up and walk around.

2, dining etiquette:

first guests in the elderly to move chopsticks, clip the vegetables less each time, away from their own dishes eat less, do not make a sound when eating, do not make a sound when drinking soup, drinking soup with a spoon a small mouthful of drink, it is not appropriate to put the bowl to the mouth to drink, the soup is too hot to cool down and then drink, do not blow while drinking.

3, etiquette during meals:

Do not burp during meals, do not appear other sounds, if there is a sneeze, bowel movements and other involuntary sounds, you have to say a "really sorry", "sorry", "Please forgive me" and so on, to apologize.

4, to the guests and elders pinch etiquette:

It is best to use the public chopsticks, will be away from the guests or elders far from the dishes sent to them in front of them, because the dishes are one by one to the end of the table, if the table with the leaders, the elderly, the guests, whenever a new dish on the chopsticks when they first, or take turns to ask them to move the chopsticks to show them the importance of the first.

5, encounter bone steal or do not eat food:

If you eat the fish head, fish spines, bones or do not eat food, do not spit outside, do not throw to the ground, to slowly hand to get their own plate, or put immediately adjacent to their own table side or on the paper prepared in advance.

Baidu Encyclopedia - table manners

6. food safety common sense

a. What are the vegetables that can easily cause poisoning in our daily life?

1. Vegetables contaminated by pesticides. The farmers use high concentrations of pesticides to spray the vegetables in order to make them grow faster and better, and to market them earlier.

2. Uncooked green beans and string beans contain saponins and trypsin inhibitors, which can cause human poisoning.

3. Sprouted potatoes and green tomatoes contain the toxic substance of lobelia, which can cause dizziness, vomiting, salivation and other symptoms of poisoning.

4. The bean sprouts grown with chemical fertilizer are ammonia-containing compounds, which can be transformed into a carcinogen called nitrosamine under the action of bacteria. Long-term ingestion can make people suffer from stomach cancer, esophageal cancer, liver cancer and other diseases.

5. Fresh cauliflower (also known as golden broccoli) contains Kohlrabi, when eating a lot of fresh cauliflower without boiled soak to remove the water or rapid frying and heating is not complete, there will be acute gastroenteritis.

6. Fava beans. Some people who eat broad beans will get hemolytic jaundice, anemia, known as fava bean disease (also known as HuDouYang).

7. Fresh fungus. Containing a kind ofoline photoreceptor substances, it is sensitive to light after eating by the sun can cause solar dermatitis.

In addition, we must pay attention to the purchase of vegetables and storage freshness, vegetables before eating must do "a wash, two dip, three hot, four fried to ensure safety.

Second, the storage period of overnight vegetables

Overnight vegetables due to pollution from consumption, and stored for a period of time, the microbial content of the vegetables is high, there is indeed a health problem, improper consumption will affect health. So, what are the tricks to deal with overnight dishes?

If you have leftovers, put them in the refrigerator as soon as possible after eating them, and shorten the storage time at room temperature to slow down the growth and reproduction of bacteria in the dish. Secondly, the next meal must be heated before eating back to burn, because some pathogenic bacteria, although not to food spoilage, but can cause people to get sick. If the food is heated, it can kill most of the microorganisms in the food.

The storage period of overnight vegetables: 1, overnight vegetables in a low temperature environment below 5 degrees, can be stored for 1-2 days. If stored for more than 3 days, the naturally occurring nitrates in vegetables will be converted to nitrites, carcinogenic, and heating can not be removed. 2, animal food at 25-30 degrees, 3-4 hours of deterioration. 3, salad, jellyfish and other cold dishes, due to the processing of the more contaminated, even if refrigerated, overnight is also likely to have been spoiled, should be made now. may have been spoiled, should be made now eat. 4, pickled food salt, safe eating period can be extended to 3-4 days.

Third, how to reduce pesticide residues in vegetables.

1. Soak and wash method: vegetables contaminated with pesticides are mainly organophosphorus insecticides, generally wash off the surface dirt with water, and then soak in water for 30 minutes, so that repeated cleaning and soaking 2 to 3 times, basically removes the vast majority of pesticide residues.

2. Alkaline immersion method: the method is to first rinse the surface dirt, immersed in alkaline water (generally 500 ml of water to add 5-10 grams of lye) 5-15 minutes, and then rinse with water, repeat 3-5 times.

3. Storage method: residual pesticides on vegetables can slowly decompose over time. Non-perishable vegetables such as winter squash and pumpkin can be left for 1 week before consumption.

4. Hot water method: some vegetables and fruits can be removed by hot water part of the residual pesticides. Commonly used in celery, spinach, green peppers, cauliflower, beans, etc., first wash the surface dirt with water, put into boiling water for 2-5 minutes to fish out, and then wash with water once or twice.

Fourth, the shelf life and retention period of food

Purchase of food should pay attention to: the shelf life or retention period of food is a period of time, it is from the date of production. The date of production is the date when the food product has completed all the production (processing) processes (procedures) and reached the standard date of sale.

In the purchase of food we will find, in addition to the food packaging or labeling printed on the food name, ingredients, manufacturer, operator and other items, there is a fairly important content is the shelf life of the food or shelf life. In order to enhance the awareness of health and hygiene self-protection, should understand the meaning of the shelf life or retention period of food.

Shelf life is the optimal consumption period of a food product, while shelf life is the recommended final consumption period. If the shelf life or retention period is related to the storage conditions of the food, it must indicate the method of storage, such as refrigerated storage, storage away from light, cool and dry place to save. Consumers should also pay attention to whether the seller's sales environment complies with the labeling requirements when purchasing food.

7. Common sense about food safety

I. What is food quality and safety?

Food quality and safety refers to the degree to which the quality condition of food can guarantee the health and safety of those who consume it. Including three aspects:

First, the quality and safety of food pollution caused by the problem. Examples: biological pollution, chemical pollution, physical pollution.

The second is the quality and safety problems brought about by the technological development of the food industry. Such as: food additives, food production agents, media and radiation food, genetically modified food.

Third, the abuse of food labeling. Examples: forged food labeling, lack of warning instructions, false labeling of food functions or ingredients, lack of Chinese food labeling (imported food) and so on.

Second, what is called food quality and safety market access system?

Food quality and safety market access system is to ensure the quality and safety of food, with the conditions of the producer is allowed to carry out production and business activities, with the conditions of the product is allowed to produce and sell an administrative regulatory system. It is an administrative licensing system. The principle of the establishment of the system is a combination of prior assurance and post-supervision, *** supervision and enterprise self-regulation, and give full play to the role of the market mechanism. It mainly consists of three basic elements:

1, food production enterprises necessary conditions for the review of the system: in the domestic processing and sales of food enterprises, must have the necessary conditions to ensure product quality, and in accordance with the provisions of the procedure to obtain the "Food Production License" before the production of food;

2, mandatory inspection of the development: food manufacturers must fulfill the legal obligations, the product by the checking of the qualification before the factory sales;

2, mandatory testing of the development: food manufacturers must fulfill the legal obligations, the product by checking the qualification before the Factory sales;

3, food quality and safety labeling system: inspection of qualified factory sales of food must be printed on its packaging (paste) food quality and safety market access logo, that is, "QS" logo.

Third, the current must be marked with the QS logo of the food?

The first batch of food must be labeled QS **** 5 categories, respectively, wheat flour, rice, edible vegetable oil, soy sauce, vinegar.

The second batch of food products that must be marked with the QS logo*** is divided into 10 categories, mainly including meat products, dairy products, beverages, condiments (sugar and monosodium glutamate), instant noodles, cookies, canned food, frozen beverages, puffed food and frozen rice and noodle products.

The third must be marked QS food **** 13 categories, mainly including confectionery products, tea, wine and fruit wines, beer, wine, pickles, preserves, fried foods, egg products, cocoa products, coffee, processed aquatic products, starch and starch products.

Fourth, how to identify shoddy food?

Shoddy food is like a rat on the street, everyone shouts. However, it is difficult to recognize them in daily shopping. Fake food prevention "seven words", in an easy-to-understand and easy to remember way to guide consumers to strengthen food safety self-prevention, in order to make the lack of shoddy food market and out of the market. Prevent "seven words": that is, to prevent "colorful, white, anti-, long, scattered, low, small".

A preventive "colorful". Excessively colorful food to be wary of, such as the current listing of strawberries like wax fruit as big and red and bright, pickle stalks bright yellow attractive, bottled fern bright green does not fade, etc., to keep an eye, is not a problem in the addition of pigments?

The second defense "white". All the food is abnormal and unnatural white, in all likelihood, there will be bleach, whitening agent, flour treatment agent and other chemical hazards.

The third defense is "long". Try to eat less food with a long shelf life, 3 ℃ storage of packaged cooked meat and poultry products using pasteurization, shelf life is generally 7-30 days.

Four anti-"anti". It is to prevent anti-natural growth of food, if consumed too much may have an impact on the body.

The fifth defense is "small". To beware of small-scale processing enterprise products, this type of enterprise food average sampling pass rate is the lowest, alarming food safety incidents often appear in these enterprises.

Six defense "low". "Low" refers to the price is significantly lower than the general price level of food, the price is too low most of the food "cat".

Seven defense "loose". Bulk is bulk food, some marketplace sales of bulk soy products, bulk cooked food, pickles, etc. may come from the underground processing plant.

8. Dietary health tips

Dietary health jingle

Salt and vinegar anti-toxicity anti-inflammatory good, leek kidney warming knees and waist.

Radish to eliminate phlegm and flatulence, celery can lower high blood pressure.

Pepper to remove cold and dampness, onion and ginger soup for colds.

Garlic inhibits gastroenteritis, mung bean is the most wonderful.

Pears are good for moistening the lungs and removing phlegm, and red dates are good for strengthening the stomach and tonifying the kidneys.

Tomato is good for the blood, and eggs are good for the brain.

Peanuts can reduce cholesterol, and beans can reduce swelling and diuretic.

Fish and shrimp can make up the milk, and animal liver is good for eyesight.

The first thing you need to do is to take a look at the walnuts, which will help you to get the most out of the walnuts.

Honey is a good way to moisturize the lungs and dissolve phlegm, and grapes are a good way to make people happy.

Banana is a good laxative, and apple is a good antidiarrheal.

Kelp contains calcium and sulfur, and mushrooms inhibit cancer cells.

Cabbage is diuretic and detoxifying, and cauliflower is less cancerous.