Potential health risk and bio-accessibility of metal and minerals in saltpetre (a food additive)

  • Marian Asantewah Nkansah
  • , Mavis Korankye
  • , Godfred Darko
  • , Matt Dodd
  • , Francis Opoku

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Food additives are used to enhance freshness, safety, appearance, flavour, and texture of food. Depending on the absorbed dose, exposure method, and length of exposure, heavy metals in diet may have a negative impact on human health. The X-Ray Fluorescence (XRF) Analyzer from Niton Thermo Scientific (Mobile Test S, NDTr-XL3t-86956, com 24) was used in this work to measure the heavy metal content in saltpetre, a food additive that mostly contains potassium nitrate. The average essential metal concentrations in the samples were determined to be 27044.27 ± 10905.18 mg kg−1, 24521.10 ± 6564.28 mg kg−1, 2418.33 ± 461.50 mg kg−1, and 4.615 ± 3.59 mg kg−1 for Ca, K, Fe and Zn respectively. Toxic metals (As, Pb) were present in the saltpetre samples at 4.13 ± 2.47 mg kg−1 and 2.11 ± 1.87 mg kg−1 average concentrations. No traces of mercury or cadmium were detected. Studies on exposure, health risks, and bio-accessibility identified arsenic as a significant risk factor for potential illnesses. The need to monitor heavy metal content of saltpetre and any potential health effects on consumers is brought to light by this study.

Original languageEnglish
Article numbere13174
JournalHeliyon
Volume9
Issue number3
DOIs
Publication statusPublished - Mar 2023
Externally publishedYes

Keywords

  • Bio-accessibility
  • Exposure
  • Health risk assessment
  • Heavy metals
  • Saltpetre

ASJC Scopus subject areas

  • Multidisciplinary

Fingerprint

Dive into the research topics of 'Potential health risk and bio-accessibility of metal and minerals in saltpetre (a food additive)'. Together they form a unique fingerprint.

Cite this