Fast and simple method of simultaneous preservative determination in different processed foods by QuEChERS and HPLC-UV: Method development, survey and estimate of daily intake.

Abstract:

:A fast and simple method, which employs QuEChERS and HPLC-UV, was developed to determine preservatives in processed foods from different classes. The method showed correlation coefficients above 0.99, LOQs between 0.13 and 0.33 mg kg-1 and recoveries between 91 and 107%, with RSD ≤ 5.3%. Levels of preservatives were up to 2040 mg kg-1 for benzoates, up to 3185 mg kg-1 for sorbates and up to 452 mg kg-1 for methylparaben. Only four out of 82 samples under analysis were above the maximum level allowed by the legislation. Additionally, daily intakes of preservatives were estimated. Regarding benzoates, relatively high intakes were estimated (25% of the acceptable daily intake - ADI) in comparison with sorbates (5% of ADI) and parabens (<1% of ADI), when mean consumption is considered. This method is a good alternative to determining preservatives in different food samples.

journal_name

Food Chem

journal_title

Food chemistry

authors

de Oliveira Arias JL,Rocha CB,Santos ALQS,Marube LC,Kupski L,Caldas SS,Primel EG

doi

10.1016/j.foodchem.2019.04.094

subject

Has Abstract

pub_date

2019-09-30 00:00:00

pages

112-119

eissn

0308-8146

issn

1873-7072

pii

S0308-8146(19)30759-9

journal_volume

293

pub_type

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