Evaluation of ED-XRF for the detection of inorganic adulterants in turmeric, paprika and oregano.

IF 2.3 3区农林科学 Q2 CHEMISTRY, APPLIED

Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment Pub Date : 2024-05-01 Epub Date: 2024-03-13 DOI:10.1080/19440049.2024.2326425

Geoffrey Cottenet, Daniel Andrey, Stephane Dubascoux

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Abstract

Herbs and spices are known to be prone to food fraud and accurate analytical tools are needed to detect adulterants. Amongst the potential adulteration, dilution with bulking agents has regularly been reported, especially with inorganic materials such as talc or brick powder. Energy Dispersive X-Ray Fluorescence (ED-XRF) spectrometry is a well-established non-destructive analytical technique for qualitative and quantitative elemental analysis of a wide variety of samples. ED-XRF was here evaluated for the detection of inorganic adulterants in turmeric, paprika and oregano, which were selected as representative for the herbs & spices food category. Magnesium, silicon, and calcium were identified as elements to detect talc, soapstone, brick/clay powder, and chalk inorganic adulterants. ED-XRF successfully detected adulterated samples when spiked down to 5% (w/w) in the selected herbs and spices. With its ease-of-use and speed, ED-XRF is well adapted for the monitoring of inorganic adulteration of herbs and spices along the supply chain.

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评估 ED-XRF 在检测姜黄、辣椒粉和牛至中的无机掺杂物方面的应用。

众所周知，草药和香料很容易成为食品欺诈的对象，因此需要精确的分析工具来检测掺假物。在潜在的掺假行为中，经常有使用膨松剂稀释的报道，尤其是使用滑石粉或砖粉等无机材料。能量色散 X 射线荧光 (ED-XRF) 光谱法是一种成熟的非破坏性分析技术，可对各种样品进行定性和定量元素分析。本研究评估了 ED-XRF 对姜黄、辣椒粉和牛至中无机掺假物的检测，这些样品被选为香草和香料类食品的代表。镁、硅和钙被确定为检测滑石、皂石、砖/粘土粉和白垩无机掺假物的元素。当所选草药和香料中的掺假样本含量低至 5%（重量比）时，ED-XRF 成功地检测出了掺假样本。ED-XRF 简单易用，检测速度快，非常适合在供应链中监测药材和香料的无机掺假情况。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment CHEMISTRY, APPLIED-FOOD SCIENCE & TECHNOLOGY

CiteScore

7.40

自引率

6.90%

发文量

136

审稿时长

3 months

期刊介绍： Food Additives & Contaminants: Part A publishes original research papers and critical reviews covering analytical methodology, occurrence, persistence, safety evaluation, detoxification and regulatory control of natural and man-made additives and contaminants in the food and animal feed chain. Papers are published in the areas of food additives including flavourings, pesticide and veterinary drug residues, environmental contaminants, plant toxins, mycotoxins, marine biotoxins, trace elements, migration from food packaging, food process contaminants, adulteration, authenticity and allergenicity of foods. Papers are published on animal feed where residues and contaminants can give rise to food safety concerns. Contributions cover chemistry, biochemistry and bioavailability of these substances, factors affecting levels during production, processing, packaging and storage; the development of novel foods and processes; exposure and risk assessment.