• Title/Summary/Keyword: Probabilistic exposure assessment

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Probabilistic Exposure Assessment of Pesticide Residues in Agricultural Products in Gyeonggi-do (경기도내 유통 농산물 중 잔류농약의 확률론적 노출평가 연구)

  • Do, Young-Sook;Kim, Jung-Boem;Kang, Suk-Ho;Kim, Nan-Young;Eom, Mi-Na;Yoon, Mi-Hye
    • The Korean Journal of Pesticide Science
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    • v.17 no.2
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    • pp.117-125
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    • 2013
  • A probabilistic exposure assessment was performed on the monitoring data of pesticides were assessed in agricultural products in Gyeonggi-do from 2006 to 2010. Chlorothalonil, chlorpyrifos, dicofol, endosulfan, EPN, ethoprophos, fenitrothion, methidathion, phenthoate and tebupirimfos were assessed. For this assessment, we used Monte Carlo simulation software and the distribution of concentration and intake were assumed to lognormal distribution by inputting mean and standard deviation. The hazard index (HI, %ADI) of average value and the $95^{th}$ percentile based on a probabilistic method were usually lower than those by a deterministic one. For the whole population, when non-detects data were assigned 0 mg/kg, HI of the average value and the $95^{th}$ percentile showed 0.05~0.70% and 0.11~1.94%, respectively. When nondetects data were assigned 0.005 mg/kg, HI of the average value and the $95^{th}$ percentile were 0.41~4.42% and 0.98~13.81%. For only consumers, when non-detects data were assigned 0 mg/kg, HI of the average value and the $95^{th}$ percentile were 1.24~10.16% and 3.72~33.81%, respectively. When non-detects data were assigned 0.005 mg/kg, HI of the average value and the $95^{th}$ percentile were 3.43~18.26% and 9.45~54.99%, respectively. Methidathion had highest values when both of 0 and 0.005 were assigned to non-detecs data for consumers only. This study showed that agricultural products in Gyeonggi-do were safe because they had less than 100 of HI (%ADI) based on probabilistic exposure assessment.

Estimation of Contamination Level of Listeria monocytogenes in meat and meat products Using Probability Approaches (확률적 접근방법을 이용한 식육에서의 Listeria monocytogenes 오염수준 산출)

  • Park, Gyung-Jin;Kim, Sung-Jo;Shim, Woo-Chang;Chun, Seok-Jo;Choi, Eun-Young;Choi, Weon-Sang;Hong, Chong-Hae
    • Journal of Food Hygiene and Safety
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    • v.18 no.3
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    • pp.107-112
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    • 2003
  • Probabilistic exposure assessment has been recognized as an important tool in microbial risk assessment, because of obtained the desired results to characterize of variability and uncertainty associated with the microbial hazards. In addition, it will be provided much more actuality information than the point-estimate approaches. In this study, we present methodology using mathematical probability distribution in exposure assessment and estimating of contamination level of Listeria monocytogenes in meat and meat products as a case study. The result of estimation contaminatin level was mean ($50^{th}$ percentile) -4.08 Log CFU/g minimum ($5^{th}$ percentile) -4.88 Log CFU/g, maximum ($95^{th}$ percentile) -3.56 Log CFU/g.

Probabilistic exposure assessment, a risk-based sampling plan and food safety performance evaluation of common vegetables (tomato and brinjal) in Bangladesh

  • Mazumder, Mohammad Nurun-Nabi;Bo, Aung Bo;Shin, Seung Chul;Jacxsens, Liesbeth;Akter, Tahmina;Bir, Md. Shahidul Haque;Aktar, Most Mohshina;Rahman, Md. Habibur;WeiQiang, Jia;Park, Kee Woong
    • Korean Journal of Agricultural Science
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    • v.48 no.1
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    • pp.33-43
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    • 2021
  • Along with the widespread use of pesticides in the world, concerns over human health impacts are rapidly growing. There is a large body of evidence on the relationship between the exposure to pesticides and the elevated rate of chronic diseases such as different types of cancers, diabetes, neurodegenerative disorders like Parkinson, Alzheimer, and amyotrophic lateral sclerosis (ALS), birth defects, and reproductive disorders. This research assessed the health risk of pesticide residues by the dietary intake of vegetables collected from the agro-based markets of Dhaka, Bangladesh. As some of the banned pesticides were also found in vegetable samples, they may pose a higher risk because of cheaper availability and hence the government of Bangladesh should take strong measures to control these banned pesticides. Five organo phosphorus (chlorpyrifos, parathion, ethion, acephate, fenthion) and two carbamate (carbaryl and carbofuran) pesticide residues were identified in twenty four samples of two common vegetables (tomato and brinjal). The pesticide residues ranged from below a detectable limit (< 0.01) to 0.36 mg·kg-1. Acephate, chlorpyrifos, ethion, and carbaryl were detected in only one sample, while co-occurrence occurred twice for parathion. Continuous monitoring and strict regulation should be enforced regarding the control of pesticide residues in fresh vegetables and other food commodities in Bangladesh.