Food six prevention keep away from fake and inferior food
food six prevention keep away from fake and inferior food
prevention & quot; White & quot;.
do not choose too white food, especially some pasta. Flour naturally contains a trace of carotene, so it is normal to have a little yellow in steamed bread, rolls, bean buns and so on. Excessive whiteness may be due to the addition of whitening agent, while excessive addition of whitening agent will damage the digestive system and liver.
typical food: in addition to pasta, white Tremella should also be prevented. The normal color of Tremella fuciformis should be light yellow, and the color too white may be fumigated with sulfur; You can’t buy the white and fat pig’s hoof. It may have been soaked in liquid medicine. The yellow and thin pig’s hoof is normal.
; Scatter & quot;.
bulk food is cheap and easy to choose, but compared with packaged food, the source of bulk food is more difficult to guarantee. If it is processed by small workshops or self-employed households with poor sanitary conditions, there are potential safety hazards.
typical food: supermarket self packaged dry food. Although the latest production date is printed, some may be marked after secondary packaging. When purchasing bulk food, it is suggested to go to the supermarket with hygienic conditions up to standard, and check the product label, including product name, production unit, unit address, production date, shelf life, ingredients, eating method and storage conditions. If you have the above complete content label, you can generally judge that the production enterprise is relatively standardized.
; Low & quot;.
the price of food is too low, and there may be quality problems. E-commerce website has become an important platform for consumers to buy food in daily life. It reduces the cost of intermediate links, so the price is much cheaper than that of ordinary businesses. But if the online store price is less than half of the usual purchase price, we should be vigilant.
it is suggested to check whether the operator has a business license when purchasing food online, and try to buy products of regular brands produced by large enterprises. After the arrival of online food, we should pay attention to whether the food packaging label is complete, whether the commodity name, QS label, ingredient list, net content, factory name, address, telephone number, production date, shelf life, product standard number, etc. are indicated, and also the production date and shelf life of the food.
; Gorgeous & quot;.
when purchasing food, the first thing to look at is the color. If it is too bright and unnatural, try to buy less. Some illegal vendors will add artificial colors to some fruits or snacks to keep the appearance of the goods bright. Although many additives and artificial pigments are non-toxic, this synthetic pigment is better to eat less.
typical food: eat more oranges in winter. Some oranges are very colorful. At this time, you should be careful. They may have been dyed, or some paraffin wax may have been added to the skin. When purchasing pork, if it is found that the color of pork is deep, the meat is bright and the fat is very thin, it means that it may have been used; Clenbuterol;. Normal dry pepper is dark red, this is because natural capsaicin will fade after light. If Sudan red is added, pepper will remain bright red for a long time, not easy to fade, so we should be careful to buy it.
for foods with long shelf life, it is necessary to guard against excessive preservatives. Long term consumption of foods containing a lot of preservatives is harmful to health. In addition, the loss of food nutrients is often positively correlated with the extension of shelf life. The longer the shelf life is, the more nutrients are lost. For example, protein may be lost under the action of bacteria and enzymes, while vitamin C, B1, D and pantothenic acid will be lost more.
typical food: many people like to buy imported food, but the shelf life of imported food is generally long, which may affect the quality of food. It is recommended that you choose fresh, nutritious and healthy food; Local food;. Generally, the shelf life of juice soda is 3 ~ 6 months, and that of biscuit is less than 2 months.
; Anti & quot;.
the vegetables growing out of season are mainly greenhouse vegetables. The high temperature in the greenhouse is not conducive to the degradation of pesticides. Insufficient light may also lead to the increase of nitrate content in vegetables. In order to advance the market time of vegetables, some vegetable farmers will use a lot of chemical fertilizers, pesticides and some banned ripening agents, resulting in the deformity of vegetables and fruits. General off-season food to eat there is no problem, but the best deformity to eat less.
typical food: tomatoes with long and sharp edges, strawberries and watermelons with cavities after cutting may be caused by chemical fertilizer hormones. This kind of fruit and vegetable tastes light and tastes bad.