With the higher and higher living standards, there are more and more shopping points on the streets and alleys, and almost all the uses, food and drinks can be done. Some people are convenient and prefer semi-finished products or cooked food; others especially like to go when discounted promotions, which are affordable and cost-effective
But do you know that whether it is attractive food or beautifully packaged food, there will be some small "routines", let's see if you have been recruited?
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Hidden problems with food
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Cut boxed fruit, good looking but not necessarily fresh
Fruit shops and supermarket freezers can always see a lot of cut boxed fruit, in the light of the light looks very fresh, and has been peeled and cut into pieces, directly can eat, it saves a lot of trouble ~ ~
However, it should be noted that after the fruit is cut for a long time, the vitamins inside are easily oxidized and lost, resulting in a decrease in nutrient content. Moreover, if not handled properly, it is susceptible to bacterial contamination.
When the fruit begins to rot, it will breed bacteria, mold, the resulting cytotoxins will spread in the food, even if it does not look rotten part is likely to have been moldy, easy to cause abdominal pain and diarrhea after eating.
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Bulk pastries, cheap and tasty, but with safety hazards
Whether it is a supermarket or some agricultural products market, there will be some biscuits, candies, pastries and other bulk food areas, the price is cheap, fragrant, very tempting ~ but these bulk foods, it is also easy to have problems:
First of all, because there is no packaging, it is easy to get dust bacteria; plus there are still some unconscious customers will take it and taste the taste, which is easy to cause secondary pollution; in addition, many bulk foods do not have manufacturers, production dates and other related instructions, which is also a major safety hazard.
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Chopped meat filling, convenient, but the raw material is unknown
When making dumplings, wontons, and meatballs, for convenience, many people will directly buy the meat that has been chopped by the store. But in fact, Xiaobian recommends that you chop the stuffing yourself.
Because of the meat that has been chopped, it is not clear what kind of meat is used. A small number of unscrupulous traders may mix pork scraps or unsold meat and grind them, and when they are mixed together and broken, they cannot be distinguished when purchased.
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Bagged pasta, may lack a production date
Some hand-rolled noodles, knife-cut noodles, dumpling skins, wonton skins, etc., are packed in ordinary plastic bags and sold in a freezer.
It should be noted that the shelf life of these pasta is very short, it is best to buy the same day, and eat on the same day, do not put it for a long time; and the skin of the wheat is dark yellow, so its products will be slightly yellow, if it is too white, it is not recommended to buy.
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Frozen foods with ice residues that carry the risk of inclusion of bacteria
Foods such as frozen chicken thighs and chicken wings are transported and preserved throughout the cold chain. Under normal circumstances, the moisture is frozen inside the meat, and there will only be a thin layer of cream on the outside.
However, if it is thawed in the middle of the way, a large amount of hydration will flow out, and when it is frozen again, a large amount of ice slag will be formed. In the process of thawing and refreezing, it is easy to breed bacteria, which will also make the taste of meat deteriorate.
Therefore, frozen food with a lot of ice residue is best not to buy, and it is necessary to ensure that it is cooked thoroughly when cooking.
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In addition to the date of manufacture, shelf life
These also have to look
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Save conditions
Food also has its own "small temper", some foods like to stay in the freezing area, some like to stay at room temperature and avoid light, if it is placed in the wrong place, even if it has not passed the shelf life, it may deteriorate.
Moreover, if it is not stored as required, the nutritional value of the food will also be lost.
Therefore, before buying food, we must also look at the storage conditions, the frozen ones should not be refrigerated, and the refrigerated ones cannot be placed at room temperature.
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Type of food
The type of food is to use one sentence to say what kind of food it is. It is also often the easiest to see the "essence".
For example, if a bottle of drink says "banana milk", is it banana-flavored sugar water or banana-flavored milk? This is where it's about food categories:
* Labeled as "flavored milk", then its essence is milk, which is added with banana flavored syrup, thickener, etc.;
*Labeled "milk drink", its essence is sugar water, may have added some banana milk, sugar, a small amount of milk or milk powder to the water.
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Nutrition facts list
Some people also look at the nutrition facts list, and the most concerned is the content of energy, fat, and protein.
Unit: Is it every 30g or 100g?
Some merchants will change the calculation method to 30g or 40g to make the heat data look lower. And when you convert the portion size to 100g, the data may be very alarming.
Is the unit of energy kJ or Cal?
People who are worried about gaining weight must watch! Most domestic food is marked according to KJ (kilojoule), which is several times different from the calorie difference we often say. There is a simple conversion method: 1 kcal (Kcal/Cal) ≈ 4 kJ .kJ.
There are no trans fat substitutes
Trans fats increase the risk of cardiovascular disease, so try to avoid them when buying.
Sometimes, however, trans fats are marked as 0, but the ingredient list has the words "hydrogenated/partially hydrogenated, margarine/ghee, margarine, cocoa butter, vegetable fat powder, mono and diglyceride fatty acid esters." Don't buy it either, they're all synonyms for trans fats.
0 preservatives, may be sugar or salt more
Many people believe that foods with the "no preservatives" logo are healthy and safe. But you know, the sugar and salt we often eat are also good "preservatives".
For example, some pickles generally do not add preservatives, but achieve the purpose of long-term preservation by adding a large amount of salt. The long-term intake of excessive salt may be more harmful to the human body than legally added preservatives.
In addition, many times the food is not clearly marked with sugar content, but hidden in the carbohydrate content.
Finally, Xiaobian also wants to remind everyone that the first three of the ingredient list are generally the most proportioned substances, and it is necessary to look carefully.