AI Article Synopsis
- Total Diet Study (TDS) is important for estimating dietary intake of hazardous substances, with guidance from the WHO on method validation.
- Despite various guidelines, clear procedures for confirming method validity are still lacking.
- This study introduced SEMPs to test analytical methods for measuring elements like arsenic and lead, establishing a performance evaluation through repeated analysis of both fortified and non-fortified samples.
Article Abstract
Total diet study (TDS) is a useful way to estimate the dietary intake of hazardous and chemical substances. Regarding the analysis performed in TDS, international guidelines published by the World Health Organization, recommend selecting and confirming the validity of suitable analytical methods to achieve the purpose of TDS. However, concrete procedures and/or approaches for confirming the validity of suitable methods have yet to be established. In the present study, we aimed to develop samples, referred to as SEMPs; Samples to estimate methods performance, that can be used to evaluate the performance of the analytical methods applied to the composite samples prepared in TDS. The concentrations of 14 kinds of elements, including hazardous substances such as arsenic, lead, and cadmium, in SEMPs were measured for use in the validation of a multi-element analytical method for estimating dietary intake. After examining the appropriate amount of relevant elements added to the samples, we established a performance evaluation procedure by repeatedly analyzing five fortified and non-fortified SEMPs each.
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| http://dx.doi.org/10.3358/shokueishi.61.7 | DOI Listing |
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