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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sidorenko, Yury |
| Description | Country affiliation: Germany Author Affiliation: Sidorenko Y ( RIFCON GmbH, Breslauer Str. 7, D-69493 Hirschberg, Germany. yury.sidorenko@rifcon.de) |
| Abstract | Probabilistic methods, in particular Monte Carlo methods, have become widely used in assessment of dietary risks from plant protection products. However, if the critical exposure occurs rarely, estimating its probability with commonly used Monte Carlo approaches can require an unrealistically big number of iterations. A simple method proposed in this paper, referred to as food combination analysis (FCA), finds out subsets of input values necessary for occurrence of a critical exposure event. In particular, for a critical event to occur consumption of a certain combination of contaminated foods could be required. Sometimes by finding the probability that such a food combination is consumed one could directly get an acceptable estimate of the risk, without Monte Carlo simulations. The method performs especially well if available data sets of consumed amounts of foods and residue concentrations of a chemical contain a large fraction of zeros. Based on a literature example, it is shown that the probability of the critical exposure estimated with the FCA could be more than 10 times lower than the estimate of a Monte Carlo approach with 50,000 iterations. The present approach also provides a platform for adaptation and development of more sophisticated methods to estimate low dietary risks. |
| File Format | HTM / HTML |
| ISSN | 02786915 |
| Issue Number | 5 |
| Volume Number | 49 |
| e-ISSN | 18736351 |
| Journal | Food and Chemical Toxicology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Toxicology__semicolon__nutritional Discipline Sciences Diet Environmental Exposure Food Contamination Analysis Food Safety Food Food Analysis Models, Theoretical Monte Carlo Method Pesticides Toxicity Risk Assessment Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Toxicology Food Science |
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