Contamination of fermented foods with heavy metals

Feruke-Bello, Yetunde M.

doi:10.1016/b978-0-323-98341-9.00007-4

Cited by 2 publications

(2 citation statements)

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“…These heavy metals are linked to well-documented adverse systemic and cancer effects and pose health risks through contaminated food ingestion. Accumulation and biomagnification within fermented food systems have led to alarming levels of these heavy metals in diets, posing substantial health risks (Feruke-Bello, 2023). However, enforcing regulatory thresholds remains challenging due to inadequate enforcement mechanisms and low awareness levels.…”

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confidence: 99%

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Local staples, and global solutions: optimizing the effect of traditional fermentation on heavy metals and mineral nutrients

Anyimah-Ackah

2023

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Purpose This study aims to examine the effect of traditional fermentation on gari’s total heavy metal and mineral nutrient content. Design/methodology/approach This study used a quantitative approach, descriptive-analytical design to baseline the risk of heavy metals and experimental design to assess the effect of traditional fermentation. Data were analyzed using descriptives, univariate and multivariate analysis. Findings Although gari is rich in mineral nutrients (total calcium 3.9 ± 0.1 g/kg, copper 5.5 ± 0.02 mg/kg, iron 97.1 ± 5.8 mg/kg, potassium 9.1 ± 0.29 g/kg and zinc 3.4 ± 0.11 mg/kg), the significant levels of heavy metals (total arsenic 1.2 ± 0.01, cadmium 2.5 ± 0.04, lead 1.7 ± 0.01, mercury 2.8 ± 0.01 and tin 1.7 ± 0.02 mg/kg) present are a cause for concern. The results further suggested that traditional fermentation has reductive effects on some heavy metals and stabilizing or concentrating effects on mineral nutrients. Research limitations/implications This paper provides evidence that traditional fermentation may have exploitable differential effects on heavy metal contaminants and mineral nutrients that should be further explored. Practical implications Thise study reports fermentation implications for mitigating food with high heavy metal contaminants with minimal nutrient loss. Originality/value This study fulfills an identified need to optimize traditional fermentation to ensure food safety and nutrient security.

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confidence: 99%

“…levels of these heavy metals in diets, posing substantial health risks (Feruke-Bello, 2023). However, enforcing regulatory thresholds remains challenging due to inadequate enforcement mechanisms and low awareness levels.…”

mentioning

confidence: 99%