Journal
FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE
Volume 11, Issue 1, Pages 33-36Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/19393210.2017.1397060
Keywords
Heavy metal; lead; arsenic; cheese; milk; whey; environment; pollution
Funding
- Benemerita Universidad Autonoma de Puebla
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The aim of this work was to determine Ni, Cr, Cu, Zn, Pb, and As levels in raw milk and Oaxaca and ranchero type cheeses, produced in areas irrigated with waste water from Puebla in Mexico. Milk results showed a mean Pb level of 0.03mg kg(-1), which is above the maximum limit as set by Codex Alimentarius and the European Commission standards. For As a mean value of 0.12mg kg(-1) in milk was obtained. Mean As and Pb levels in milk were below the Mexican standard. Milk whey and ranchero cheese had mean Pb levels of 0.07 and 0.11mg kg(-1), respectively. As was higher in Oaxaca and ranchero cheese at 0.17 and 0.16mg kg(-1), respectively. It was concluded that cheeses made from cow's milk from areas irrigated with waste water are contaminated with Pb and As, which may represent a health risk.
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