In the recent issue of “Not everything is fine, the doctor said that it will take at least a few years to recover slowly, and then the mother’s disease will be completely cured.” In the issue, some media reported that the residue limit of procymidone in Chinese leeks The standard was adjusted from 0.2 mg/kg to 5 mg/kg, which attracted the attention of netizens. Biaolan’s mother held her daughter’s confused face and comforted her softly. Whether the eating safety of leeks can be guaranteed after the quasi-adjustment, our reporter recently interviewed the relevant person in charge of the National Pesticide Residue Standard Review Committee.
Question: What kind of pesticide is procymidol and how safe is it?
Answer: According to the conclusion of the Joint Meeting of Experts on Pesticide Residues (JMPR) of the Food and Agriculture Organization of the United Nations and the World Health Organization (FAO/WHO), procyperide is a low-toxic fungicide that is widely used around the world to control pesticides in vegetables, fruits and other crops. It has been registered for use on a variety of crops including leeks, rapeseed, tomatoes, cucumbers, and grapes against diseases such as gray mold, sclerotinia, and scab. Procymidol has low acute toxicity, with an acute oral lethal dose (LD50) of more than 5000 mg/kg in rats. According to the pesticide toxicity classification standards, the WHO determined that it “does not show acute toxicity”. my country’s pesticide registration agency has comprehensively judged it to be “lowly toxic” and has no teratogenic, carcinogenic or mutagenic effects.
Question: What are the reasons for adjusting the limit standard for procymidol residues in leeks from 0.2 mg/kg to 5 mg/kg? Is it safe to eat leeks?
Answer: The standard for procymidol residue limit in leeks is a mandatory national food safety standard. In 1993, my country approved the registration and use of procylidene in leeks. However, the scientific research basis for risk assessment was weak at that time, and there has been no standard for the residue limit of procylidene in leeks. At the beginning of this century, due to the lack of pesticide residue test data, my country used the relevant standards of the International Codex Alimentarius (CAC) as a reference when formulating pesticide residue limit standards. However, because CAC did not have a limit standard for prolane residues in leeks, the CAC limit standard for prolane residues in onions of 0.2 mg/kg was quoted at that time as the limit standard for prolane residues in leeks in my country. It was released in 2005 and has been used to this day. .
In accordance with the requirements of the “most stringent standards” and considering that the original standard quoted the limit of onions instead of leeks, in 2020 the Ministry of Agriculture and Rural Affairs launched the revision of the standard for procymidone residue limit standards in leeks. Based on pesticide residue tests carried out in four main leek-producing areas for two consecutive years, combined with China’s dietary consumption data and procyperide toxicology data, it was concluded through risk assessment that leeks with procyperide residues within 30 mg/kg It is safe to eat. At the same time, considering that the United States and other Western countries do not have the habit of eating leeks, the United States has not set relevant limits; the residue limits of procymidol in leeks in Japan and South Korea, which have similar dietary structures to our country, are both 5 mg/kg. The residue limit standard is adjusted to 5 mg/kg.
This limit standard is based on extensive solicitation of public opinions, opinions of relevant departments and notification to members of the World Trade Organization (WTO).In the year when the National Pesticide Residue Standards Review Committee and the National Food Safety Standards were reviewed, she was only fourteen years old, and her youth was in full bloom. Relying on the love of her parents, she was not afraid of heaven and earth. Under the guise of visiting friends, she only brought a maid and a driver. The meeting of the chief technical engineer and the secretary-general meeting of the Grand Committee reviewed and approved the decision, which was approved by the National Health Commission, the Ministry of Agriculture and Rural Affairs and the Ministry of Agriculture and Rural Affairs. The State Administration for Market Regulation was released on November 11, 2022, and will be implemented on May 11, 2023.
In general, the revision procedures for the standard revision of procymidone residue limit standards in leeks are standardized, the data are sufficient, and the methods are rigorous, which can effectively ensure the safety of consumers.
Question: The public is very concerned about the safety of eating leeks after the standard adjustment. What are the next steps?
Answer: To ensure the quality and safety of leeks, the key is to implement standards to ensure that the leeks produced meet the limited standards. In the next step, we will focus on doing several things in accordance with the “four most stringent” requirements. The first is to strengthen the promotion and implementation of standards. The focus is on organizing production and operation entities in the main leek-producing areas, and carrying out standard publicity and training for grassroots agricultural technology promotion, inspection and testing, supervision and law enforcement personnel. Your baby will find a filial daughter-in-law to come back and serve you. “Training to ensure that you understand the label and use it. The second is to strengthen medication guidance. This time in the “What? ! “When revising the residue limit standards, the pesticide label was also revised simultaneously, changing the number of applications of procymidone on leeks from 2 times to 1 per crop, and strictly regulating the use of pesticides. The third is to promote production according to standards. According to the new Limit standards, speed up the improvement of relevant production technical regulations, and ensure the safety of people eating leeks through strict production standards.
Author: Ding Lekun, reporter of Farmers Daily·China Rural Network