Common sense of cutting fruit 1. Common sense of life: Is it nutritious to buy sliced fruit?

As we all know, fresh fruit is rich in vitamins and cellulose necessary for human body, so a healthy life should eat a proper amount of fruit every day. But many processed sliced fruits can often be seen in supermarkets, and many people will buy them for convenience, but will the nutrition of this sliced fruit be lost?

Fruits generally contain more vitamin C, which is easily oxidized in the air and will be lost due to high temperature and sunshine. From this point of view, the vitamin C of sliced fruits will be lost to some extent, and the nutritional value is definitely not as good as that of fruits bought and eaten now.

In addition, the surface of fruit is easily contaminated by pollutants, chemicals or bacteria such as Salmonella. Compared with whole fruit, sliced fruit is more susceptible to pollution even in the same environment.

Finally, in today's environment of frequent food safety, no one can guarantee whether the production date printed on the sliced fruit package in the supermarket is the real production date. In other words, you never know when the sliced fruit in front of you was cut, whether it was intact before cutting, and whether it was cut from a part of rotten fruit. Once unscrupulous merchants cut off the local sales of rotten fruits, consumers are likely to cause food poisoning.

2. Common sense of opening a fruit shop

To open a fruit shop, you must know the following skills.

1: Peel durian

2. Pineapple peeling

Step 3: Cut watermelon.

4. Distinguish between imported goods and domestic goods.

5. Look at the bottom of the box first when inspecting the goods, it is often too lazy, and the small one is at the bottom of the box.

6. See clearly the size and color difference of the fruit in the same box during inspection.

And some common sense

1, tropical fruits and ordinary fruits are separated, and the fragrant and tasteless fruits are separated.

2. Bananas, honeydew melons, mangoes, pineapples, durians and coconuts should not be stored at 0 to 4 degrees. Others must be put in, especially litchi, longan and strawberry, which are prone to long hair.

3. Prepare trash cans and clean up rotten fruits in time.

4, there should be plastic packaging equipment, because some rotten fruits can also use the unfinished part, which needs to be packaged and displayed.

3. Health knowledge of fruit and the practice of fruit platter.

Most fruits are rich in vitamins and other essential substances, so eating more is good for your health. But we should also pay attention to the quantity of fruits and control the intake of nutrients. ...

Eating more than two kinds of fruits every day is good for your health, especially the high temperature in summer makes you sleepy, plus a lot of sweating, which is easy to dehydrate. More attention should be paid to taking enough vitamin B group, C and water to relieve fatigue. Eating fruits is one of the simple and healthy methods.

However, you can't eat too much fruit, otherwise the consequence may be to add a few more circles of fat on your body. Because the calories of fruit are not low, especially the sweetness, the calories and sugar will not be less. From the perspective of Chinese medicine, some fruits should be "carefully" eaten, unlike mangoes. Some people eat it and it is easy to induce diseases. Mango skin contains histamine, which may cause allergies. If the skin suffers from eczema, it is best to touch pineapple, otherwise the condition may get worse. Watermelon that can relieve summer heat is not suitable for everyone, nor for people with diarrhea, gastritis, gastric ulcer or frequent gastrointestinal discomfort. You should also eat a certain amount of fruit. To master two kinds of fruits a day, each of which is no more than the size of a fist (or the amount of a rice bowl), it is generally not easy to go wrong.

In fact, summer is not conducive to the storage of fruits. It is best to buy it while it is fresh within 1~2 days. However, people nowadays are often too busy to make a one-time purchase on holidays. If the fruit you buy is ripe, put it in a ventilated and cool place, or put it in a bamboo basket or fruit bowl, so that the natural and fresh fruit fragrance adds a bit of charm to your home.

Generally speaking, the suitable storage temperature of fruits is between 7~ 13℃, and some fruits need lower temperature, such as apples, grapes, peaches, plums and persimmons. The refrigerator is a good place for storage. Fruits stored in the refrigerator can be stored in plastic bags or paper bags without washing first to prevent the water from evaporating. You can punch a few small holes in the plastic bag to keep it breathable and avoid fruit rot caused by water accumulation. Not every kind of fruit is suitable for keeping fresh in the refrigerator. Some fruits are naturally afraid of cold, such as bananas, mangoes and papayas. , is a native product of the tropics. Putting it in the refrigerator will make the peel produce spots or turn dark brown, and the quality and flavor of fruit will also be destroyed.