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China - 9 people died in Heilongjiang province from rice yeast acid - October 13, 2020

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  • China - 9 people died in Heilongjiang province from rice yeast acid - October 13, 2020



    2020-10-13 18:36:34Beijing News reporter: Dai Xuan Editor: Zhang Chang




    What is the deadly toxin of 8 people in Heilongjiang who ate "sour soup" poisoning and how to prevent it?



    The doctor reminded that there are many types of food poisoning for different reasons. In general, avoid environmental pollution when processing food. In addition, don't risk trying some unfamiliar and newly discovered foods, such as wild mushrooms.




    Beijing News (Reporter Dai Xuan) Recently, a food-borne poisoning incident occurred in Jidong County, Jixi City, Heilongjiang Province. During a family dinner, 9 people ate local fermented noodles called "sour soup" and became ill. Eight people have been killed.


    According to the official preliminary characterization, the substance causing the poisoning is rice yeast acid produced by Pseudomonas coconut poisoning, which is a food poisoning incident. What kind of toxin is orycholic acid? Why is the death rate so high? Which foods may contain? In this regard, a reporter from the Beijing News connected with experts in the emergency department of Beijing public hospitals to explain their doubts.

    The food that caused the poisoning was homemade and high-concentration rice yeast was detected

    According to CCTV News, on the morning of October 5, a total of 12 relatives of a family member in Jidong County attended the dinner. All the 9 elders in the family ate sour soup, and 3 young people did not eat it because they did not like the taste. At noon, the nine elders who had eaten the sour soup gradually became unwell, causing eight deaths.

    Sour soup is a thick noodle made from corn water mill fermentation. After investigation by the local police, the sour soup ingredients were made by the family member and frozen in the refrigerator for nearly a year. The criminal technology department of the public security organs made an on-site extraction test to rule out the possibility of artificial poisoning.

    According to the information released by the Food Division of the Heilongjiang Provincial Health Commission, after epidemiological investigations and CDC sampling and testing, high concentrations of rice yeast acid were detected in corn noodles and also in the gastric juice of patients. The preliminary characterization is Food poisoning incidents caused by Pseudomonas cocos pollution and production of rice yeast acid.


    Follow-up 1
    What is rice yeast acid and why does it cause poisoning?

    "Mycolic acid is a toxin in itself, and it will not be ingested by the human body under normal circumstances. However, during the food preparation process, Pseudomonas cocos attached to the food to reproduce and metabolize, and produce such a toxin." Beijing Zhang Xiangyang, deputy director of the emergency department of Tsinghua Chang Gung Memorial Hospital, introduced. During the period of economic underdevelopment, the food processing method of “fine preparation of coarse grains” was popular in many regions. Traditional foods were prepared through processes such as soaking, grinding, fermenting, filtering, and drying coarse grains. In this process, if the coconut poison in the environment Spore bacteria contaminate food, which brings similar risks.

    According to the relevant person in charge of the Food Department of the Heilongjiang Provincial Health and Health Commission, the northern part uses fermented rice noodles to make stinky seeds, sour soup, and gege beans, while the southern mostly uses glutinous corn to make dumplings. Food poisoning from fermented rice noodles can occur throughout the year, with the most occurring from July to August. Mycolic acid is the main toxin of fermented rice noodles. It is unstable to acid, oxidants and sunlight, but it has strong heat resistance and is not destroyed by boiling and high pressure. Therefore, no matter what kind of food is made, what daily cooking method is used Can not destroy its toxicity.

    What are the reactions if you eat fermented rice noodles contaminated with Pseudomonas coconut poisoning?

    Zhang Xiangyang introduced that this toxin was poisoned by oral ingestion. At the beginning, the symptoms were mainly digestive tract symptoms, such as abdominal discomfort, nausea and vomiting, abdominal pain, and diarrhea. The liver would show poisoning reactions, such as jaundice, elevated transaminase, and hepatomegaly. Even liver failure may result in bleeding and multiple organ failure; toxins can affect energy metabolism, leading to cell death, organ damage or even functional failure.

    Follow-up 2
    Can rice yeast acidosis be treated?

    "The treatment after food poisoning is generally symptomatic and supportive treatment. Unlike the martial arts novels, there is an antidote for a kind of poison, and the real antidote is very few, close to zero." Zhang Xiangyang said.

    The so-called symptomatic support treatment, on the one hand, is based on the specific symptoms, to provide antiemetic, liver protection and other life support treatment, on the other hand, through gastric lavage, dialysis and other methods to remove part of the residual toxins in the body. However, the cell death that has already occurred cannot be reversed clinically.

    Since there is no specific antidote, there are reports that the fatality rate after rice yeast acidosis is as high as 40%-100%. "40% is close to the fatality rate of bird flu, and 100% is the fatality rate of rabies attacks, which is very high." Zhang Xiangyang said.

    If the poisoned person is lucky enough to survive, what is the prognosis? Zhang Xiangyang said that the prognosis depends on the degree of the patient's poisoning. If organ damage is caused, it needs to be judged based on the compensatory function of the specific organ and the degree of damage. Therefore, once a similar poisoning reaction occurs, you must seek medical attention quickly to prevent the expansion and progress of irreversible damage.

    Follow-up 3
    What conditions can cause food poisoning?

    The types of food poisoning are introduced in the on-site emergency work safety manual of the Chinese Center for Disease Control and Prevention (2008 edition).

    Food poisoning includes bacterial food poisoning (such as E. coli food poisoning), chemical food poisoning (such as pesticide poisoning), animal and plant food poisoning (such as cassava, lentil poisoning), fungal food poisoning (toxic mushroom poisoning) and so on. Food poisoning is concentrated in time, not contagious, and occurs frequently in summer and autumn.

    Among them, the manifestation of group food poisoning is that within a short period of time, people who eat a certain kind of food suffer from the disease individually or at the same time, mainly nausea, vomiting, abdominal pain, and diarrhea, often accompanied by fever. In severe cases, dehydration, acidosis, organ failure, and even shock, coma and other serious life-threatening manifestations may occur.

    Zhang Xiangyang introduced that clinically, the causes of foodborne poisoning are very diverse.

    “It’s more common for us to receive doctors, it’s poisoning caused by nitrite after eating duck necks and other pickled foods. Sodium nitrite is a food additive that is allowed to be added, but once it becomes excessive, it becomes a'toxin'; vacuum-packaged food may Poisoning by botulinum toxin caused by botulinum toxin has occurred; soy milk is not boiled sufficiently, and the toxins of the beans themselves after drinking will affect human health; there are also patients who have been poisoned by taking some secret recipes."

    Follow-up 4
    How to prevent food poisoning?

    The Food Division of the Heilongjiang Provincial Health Commission introduced the main methods to prevent food poisoning from fermented rice and noodles.

    It is strictly forbidden to use soaked corn and moldy corn to make and sell food; do not make or eat fermented rice noodles, change customs, and abolish outdated and bad eating customs; when preparing fermented cereals, families should eat as much as possible and change the water frequently. Maintain sanitation and prevent odor; after refining, it should be dried in time or dried into powder; storage should be ventilated and moisture-proof, and do not directly touch the soil to prevent pollution.

    Since eating spoiled white fungus is consistent with the poisoning of fermented rice noodles, you should choose the normal dry white fungus with good elasticity and no peculiar smell after being soaked in blisters, large in shape, white or slightly yellow, and normal dry white fungus. , Remove its base; prohibit the sale or consumption of spoiled fresh white fungus; do not eat fresh white fungus collected by yourself.

    Zhang Xiangyang reminded that there are many types of food poisoning for different reasons. In general, avoid environmental pollution when processing food. In addition, don't risk trying some unfamiliar and newly discovered foods, such as wild mushrooms.

    He also pointed out that after a foodborne poisoning incident, the hospital would report a case, but clinically it was found that many patients were unwilling to provide true information, and similar attitudes were not conducive to the investigation of the cause of the disease. "If there is a group poisoning incident, and the patients are scattered to different institutions for medical treatment, and they all provide false information, it will be difficult for the relevant departments to find out the real cause during investigation, which is not conducive to risk control. Food-borne poisoning is the same as infectious disease. Your honesty is very important."

    According to the Chinese Center for Disease Control and Prevention, if food poisoning occurs, the patient should immediately call for help at the emergency center 120. The sooner you go to the hospital, the more conducive to the rescue; immediately drink plenty of clean water to dilute the toxin; use your fingers to stimulate the throat as much as possible Exhaust the food in the stomach; seal the food that has been eaten to prevent more people from being harmed.

    Beijing News reporter Dai Xuan




  • #2


    2020-10-19 17:10:21Beijing News reporter: Wang Kunpeng Editor: Du Haitao




    The last survivor died in Jidong’s "sour soup" poisoning incident, the death toll increased to 9



    On October 19, the reporter learned from the family members of the "sour soup" poisoning incident in Jidong County, Heilongjiang, that the last surviving patient died at noon. On October 5, a family of 9 people had a poisoning reaction after eating "sour soup" at a family dinner, 7 people died and 2 people continued treatment. On the 12th, one of the surviving patients treated in Mudanjiang Hospital died. On the 19th, another survivor passed away and his family was very sad. So far, all 9 poisoned persons in the "sour soup" poisoning incident have died. Earlier on October 12, the Heilongjiang Health and Health Commission had issued the cause of the poisoning, which was preliminarily determined to be caused by Pseudomonas cocos pollution and the production of oryzaic acid.

    http://www.bjnews.com.cn/wevideo/2020/10/19/779055.html



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