Food safety policy enforcement and associated actions reduce lead chromate adulteration in turmeric across Bangladesh

Forsyth, Jenna E.; Baker, Musa; Nurunnahar, Syeda; Islam, Syed; Islam, Md. Saiful; Islam, Tauhidul; Plambeck, Erica L.; Winch, Peter J.; Mistree, Dinsha; Luby, Stephen P.; Rahman, Mahbubur

doi:10.1016/j.envres.2023.116328

Cited by 9 publications

(1 citation statement)

References 35 publications

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“…Common examples include diluting high-grade honey with sugar syrups 3,4 , or cheaper fish for more desirable species 5,6 .Cases can also result in harm when a food is adulterated with a toxic substance. Particularly widespread cases occurred when lead chromate was added to turmeric 7,8 . The result was an appealingly vibrant spice color, and, since lead chromate is heavy, a significant increase in profit (because the product is sold by weight).…”

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confidence: 99%

Food fraud: insights from investigating a near-fatal poisoning with global implications

Cao,

Yemets,

Muneem

et al. 2023

Preprint

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SUMMARYRisks of food fraud have been exacerbated by ongoing supply-chain shortages and reduced regulatory oversight caused by the COVID19 pandemic. Since food fraud cases involve adulterants that are deliberately disguised, resulting poisonings are especially difficult to investigate and treat. We encountered a near-fatal poisoning with “weight-loss candlenuts” that are readily available online. We leveraged state-of-the-art high-resolution mass spectrometry (HRMS) and discovered that commonly used spectral libraries and toxin/poison standards panels do not contain the materials needed to identify the causative agents of this nearly lethal poisoning. By building new methods, we ultimately found ‘Nuez de la India’ contain high levels of uncommon cardiac glycosides, while deploying HRMS as a novel ‘chemical fingerprinting’ tool revealed them to be mislabeled yellow oleander seeds. Our work presents a rapid investigative strategy to empower future investigations, and provides guiding principles to food safety programs for treating, and indeed preventing, these potentially fatal poisonings that are increasing worldwide.

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confidence: 99%