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As soon as doctor

came out of the examination room, Xiao Liu nervously asked him – he was worried that his father’s long-term diarrhea for more than a month was caused by intestinal cancer.

“don’t worry, there are no lumps, but there are several ulcers in the intestine, the inflammation is more serious, and it is not easy to treat them.”

after hearing this, Xiao Liu’s heart was finally relieved, but then the doctor asked him, “has your father eaten anything different from before?”

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Xiao Liu recalled carefully that about half a year ago, the small supermarket downstairs of the community started activities and bought “refined” edible oil with a card. The price was more than half of that of other oils. Since then, he has been using that oil.

“he told me about it. It may be related to this, but I’m not sure. I usually live outside.”

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nodded thoughtfully after listening.

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1. Cooking mixed oil is a fake, and the businessmen are crazy: if you eat it, you can’t die! “Kdspe

according to CCTV’s economic information broadcast, some edible blended oils sold in the agricultural and sideline products market in southern Zhejiang Province (one of the largest markets in Wenzhou City, Zhejiang Province) do not live up to the name. To be more specific, they are: what is marked in the ingredient list does not match what is actually added.

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picture source: economic information broadcast

. For example, the composition table of 5L olive blended oil may indicate that the olive oil content is 7% and the rapeseed oil is 93%, but in fact, the olive (oil) may be between 3% and 4%, or even lower, and soybean oil with low price will be added.

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were traced to the origin of these edible oils from a factory of a grain and oil food company in Fujian Province. Faced with the reporter’s investigation, the person in charge of the company said boldly: “in fact, the total formula of these edible blended oils is the same, but if the ingredient list says that there is olive oil, we will certainly add olive oil, but this amount may not be so much. After all, we should control the cost, and in this way, the industrial and commercial inspection can also detect olive oil, which is convenient for inspection, What’s more, it’s not gutter oil. You can’t eat a dead man. You can live up to your conscience. You have to pay for the price and the goods. ”

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picture source: economic information broadcast

. According to the national regulations, food labels should be true and accurate. If there is emphasis on a certain ingredient, it should be marked with the amount of ingredients or ingredients added or the content in the finished product. If it is illegal, unqualified edible oil will bring great harm to consumers.

2. What are the hazards of unqualified edible oils? “In 2018, the Ministry of food safety supervision of the people’s Republic of China inspected the quality of some edible oils, Oils and their products, and announced more than 20 kinds of unqualified edible oils, including benzopyrene, solvent residue, aflatoxin, peroxide value and other indicators.

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in 2019, the food safety supervision department of Heyuan City carried out random inspection on food, a total of 53 batches of edible oil and grease products were inspected, 18 batches were unqualified, and aflatoxin B1 exceeded the standard.

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long-term consumption of these substandard oils can bring a variety of hazards to consumers.

1, benzo [a] pyrene

are primary carcinogens identified by who, and a number of studies have confirmed their carcinogenicity. Only a small part of benzopyrene can be excreted with faeces after entering the body of the consumer. Most of them will be transformed into dozens of metabolites or even carcinogens through liver and lung cells. These carcinogens can form covalent bonds with DNA and cause DNA damage. If not repaired or repaired in time, cells may become cancerous. In addition, benzo [a] pyrene intake of more than 1000 mg / kg can lead to fetal malformation and other problems.

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2, aflatoxin B1

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aflatoxin B1 can be said to be one of the most carcinogenic chemicals, so most food testing must do this. Aflatoxin B1 causes liver damage, which is closely related to the occurrence of primary liver cancer. In addition, excessive intake of aflatoxin can lead to acute poisoning, acute hepatitis, hemorrhagic necrosis and so on. If it is a small amount of long-term intake, it can lead to chronic poisoning, and may also cause fibrous lesions, providing conditions for the occurrence of cancer. For example, some foods in our daily life, such as corn, rice, peanuts, etc., are easy to mold if they are not properly stored. This substance will be produced after moldy, so we must pay attention to it.

3. Peroxide value

this index is mainly used to help check whether the food made from fat and fat, such as ham sausage, cured meat, cake, moon cake and so on, is oxidized and deteriorated. However, if the index is too high, it may damage the cell membrane structure, lead to liver cancer, gastric cancer, myocardial infarction and other cardiovascular diseases, seriously endangering the health of consumers. In the production of

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edible oil, if the residual organic solvent exceeds the standard, the edible person may have multiple effects on the body. Because the biggest characteristic of organic solvents is volatile, and then through the respiratory tract into the body, thereby damaging the central nervous system and respiratory tract, and even internal organs.

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can be seen from the above, how much harm can be brought by eating unqualified edible oil, so we must pay attention to avoid eating this kind of inferior oil, and to achieve this, the most basic point is to learn to select oil.

3. How to choose safe oil?

here are six tips to help you choose qualified and healthy edible oil when you buy oil, so as to ensure the safety of your family.

· observe the packaging: when buying oil, you must pay attention to the trademark, shelf life, and date of manufacture, and avoid buying oil without information such as the name of the factory, the address of the factory, and the code number of quoted quality standards.

· color observation: under the same variety, the color of relatively high-quality oil is relatively light, while the color of inferior oil processed is relatively dark。

· observe transparency: generally, high-quality oil has better transparency and no turbidity, while inferior oil is the opposite.

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· observe whether there is sediment: high quality oil is mostly free of precipitation and suspended solids, and its viscosity is small.

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· no stratification was observed: stratification occurred, mostly adulterated mixed oil.

? Smell: if the oil has acid smell, do not buy it. Normal oil has its own unique flavor.

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edible oil should not only learn to choose rationally, but also pay attention to the storage method after buying it. It is best to put it in a cabinet to avoid light and sealed, and to avoid sunlight or put it beside the stove. High temperature can accelerate lipid oxidation and increase the risk of atherosclerosis after eating. It is better to buy less, change frequently and keep it reasonably.

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edible oil is a kind of food material that we will come into contact with every day, so we must learn to select and store it. If you find unqualified cooking oil, you should dispose of it in time, so as not to endanger your health.

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reference:

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[1] shocking [exposure] CCTV started to eat mixed oil, but the bottom line was “eating no dead”. China general law. 2018-04-02

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[2] cooking oil fraud! Minute minute threat to your life. Headhunter.2017-08-03

The official account of

[3] “2-4 monthly oil sampling inspection and analysis of the control and suggestions for the control of substandard items”. The food administrative micro blog.2018-05-31

without the authorization of the authors, prohibits the transshipment of

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to scan the above two-dimensional code. The attention is paid to the “39 Health Net” public number, and the reply to your health problems is that experts have free answers for you. “[3]” “

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