experts interviewed:

Wei Liping, director of Nutrition Department of Integrated Chinese and Western Medicine Hospital of Southern Medical University In recent years,

has witnessed frequent food safety incidents. Organic food under the banner of “safety” and “rest assured” have sprung up like mushrooms. Even if the price is high, it is still popular. A few days ago, Professor Peter Laufer of the University of Oregon in the US “Washington Post” website pointed out that the nutritional value of organic food is not much higher than ordinary food. In this regard, the reporter of “life times” launched an investigation on organic food and invited authoritative experts in relevant fields to uncover the “veil” of organic food.

and

have no pesticide, but they are more safe. The cost of

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is 13 yuan per kilogram of organic rape and 32 yuan per kilogram of Organic Spinach The reporter saw in a large supermarket in Dawanglu, Beijing that the price of organic food is several times or even more than ten times higher than that of spinach in bulk at 3.48 yuan per kilogram and Shanghai green at 1.9 yuan. What are the advantages of

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organic food? Why is it so expensive? Wei Liping, director of the Nutrition Department of the hospital of integrated traditional Chinese and Western medicine of Southern Medical University, told life times: “organic food has strict requirements from seed to soil and the production process. For example, it is required that no pesticide has been used in the soil in the last two or three years, and no chemical fertilizer, pesticide or additive can be used in the production, so the safety is guaranteed.”

Chen Chunxiu, senior agronomist of Vegetable Research Center of Beijing Academy of agriculture and Forestry Sciences, said: “taking organic vegetables as an example, self-made decomposed organic fertilizer or certified pure organic fertilizer should be used in production; the prevention and control of diseases and insect pests mainly rely on physical and biological means such as insect trap lamps and insect control. The output is about 2 / 3 lower than that of non organic products, and the cost is 2-3 times more expensive, which leads to high prices. The nutrition of

and

is similar to that of ordinary food. Although

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organic food are safe, they do not mean higher nutritional value. Stanford University research found that there is no significant difference in vitamin content between organic food and ordinary food. Another survey in the United States shows that there is little difference between organic and non organic nutrients in fruits and vegetables, grains, meat, eggs, milk and other foods. British researchers have done experiments with tomatoes, potatoes and broccoli. The results show that non organic tomatoes are sweeter and juicier than organic ones; non organic broccoli contains more antioxidants than organic ones; and non organic potatoes have higher vitamin C content than organic ones. Professor Wei Liping of

and

explained that organic food emphasizes safety and pays more attention to soil quality. The mineral content beneficial to human body is relatively high. There is no need to worry about excessive heavy metals, but there is little difference in nutritional components such as protein, fat and vitamins. The lack of supervision on

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leads to the difficulty of distinguishing between

and

. For many families with purchasing power, the high price of organic food is not the biggest problem. Whether they are really “organic” is the most concerned. According to the reporter of “life times”, the label of organic food can not tell everything, and the planting and harvest of food can not be seen. Although the organic certification mark is attached, the quality is difficult to guarantee.

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firstly, there is water in the certification of organic food production enterprises. It is understood that there are less than 30 organizations engaged in organic certification in China, including those with government background and private enterprises, and some of them are not qualified enough.

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followed, followed by the lack of follow-up monitoring of organic food. Wei Liping said: “now it is the agricultural department in charge of organic food production, and the national certification and supervision and Administration Commission is responsible for certification, but there is a lack of follow-up supervision. The production base has obtained the organic certification, and may operate “non organic” at any time Organic food emphasizes the production process. Even if pesticide residues are not detected, it can not be determined that it is organic, and the focus is on process monitoring.

“we are not at ease about ordinary food because there are problems in Agricultural Supervision and producer integrity, while there are also regulatory problems in organic food. As long as the regulation is in place, both organic and non organic food are equally safe. Why pay a high price to buy organic food? ” Wei Liping pointed out. Only when the supervision of production enterprises and certification bodies is in place, people can buy organic food at ease.

3 tips help you choose organic food

how to choose organic food, Wei Liping gives the following suggestions:

1. Check the authenticity of organic certification label on the Internet. Organic food packaging has organic certification label, consumers can access China food and agricultural product certification information system( food.cnca.cn )Query. For very cheap organic food should be carefully screened.

2. The marketing channel of organic food is different from that of ordinary food. Consumers should buy organic food in exclusive stores, large shopping malls, supermarkets and fresh food websites with good reputation. They should not buy in farmers’ markets, wholesale markets or untrusted websites. Organic food should also be cleaned carefully. Some people think that organic food needs no cleaning and is suitable for eating raw. Although organic food does not use pesticides, the use of farm manure containing a large number of bacteria also needs to be carefully cleaned before eating. ▲

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