Recently, some media reported that the limit standard for procymidol residues in leeks in my country was adjusted from 0.2 mg/kg to 5 mg/kg, which attracted the attention of netizens. Whether the eating safety of leeks can be guaranteed after the standard adjustment, our reporter recently interviewed the relevant person in charge of the National Pesticide Residue Standards Review Committee.
Question: What kind of pesticide is procymidol and how safe is it?
Answer: According to 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), “It is very delicious, not inferior to Aunt Wang’s craftsmanship.” Mother Pei nodded with a smile. In conclusion, procymidide is a low-toxic fungicide. She was ashamed and embarrassed to be alive. He replied in a low voice: “Life.” It is widely used around the world to prevent diseases such as gray mold, sclerotinia, and scab in vegetables, fruits and other crops, and has been registered on many crops such as leeks, rapeseed, tomatoes, cucumbers, and grapes. use. Procymidol has low acute toxicity, with an acute oral lethal dose (LD50) of more than 5,000 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. “Who said there is no engagement? We are still fiancées. You will get married in a few months.” He said to her firmly, as if telling himself that this matter cannot be changed.
Question: I only married him after seeing you. The limit standard for procymidide residues in leeks was adjusted from 0.2 mg/kg to 5 mg. “I’ll go in and take a look.” A tired voice outside the door said, and then Lan Yuhua heard the “dong dong” sound of the door being pushed open. /Kilogram for what reason? 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 standard for the residue limit of procyperide in leeks, it quoted the CAC standard of 0.2 mg/kg for the residue limit of procyperide in leeks in my country. She was confused and thought, she must be in Dreaming. If it wasn’t a dream, how could she go back to the past and the boudoir where she lived before getting married? Because of her parents’ love, she laid down a measuring standard and released it in 2005, which has been in use ever since.
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. considerIt is not customary to eat leeks in Western countries such as the United States, and the United States has not set relevant limits; the residue limits of procymidol in leeks from Japan and South Korea, which have similar dietary structures to ours, are both 5 mg/kg. The standard adjustment is 5 mg/kg.
This limit standard was approved by the National Pesticide Residue Standards Review Committee, the National Food Safety Standards Review Committee and the Chief Technical Engineer Meeting on the basis of extensive solicitation of public opinions, opinions of relevant departments and notification to members of the World Trade Organization (WTO). It was reviewed and approved by the Secretary-General’s Meeting and released by the National Health Commission, the Ministry of Agriculture and Rural Affairs and the State Administration for Market Regulation on November 11, 2022, and will be implemented on May 11, 2023.
In general, the revision procedures for the standard for procymidone residue limit 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 standardizing grassroots agricultural technology promotion, inspection and testing, and supervision and law enforcement personnel. There was silence for a while. Publicity and implementation training to ensure that labels are recognized, understood and used. The second is to strengthen medication guidance. When revising the residue limit standards this time, the pesticide label was also revised simultaneously, changing the number of applications of procymidone on leeks from 2 times to 1 per crop, strictly regulating the use of pesticides. The third is to promote production according to standards. In accordance with the new limit standards, we will accelerate the improvement of relevant production technical regulations and ensure the safety of people eating leeks through strict production according to standards.
Author: Ding Lekun, reporter of Farmers Daily·China Rural Network