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Nitrites in Cured Meats, Health Risk Issues, Alternatives to Nitrites: A Review
Mynul Hasan Shakil1, Anuva Talukder Trisha1, Mizanur Rahman1
1Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh.
Foods (Basel, Switzerland)
|November 11, 2022
Summary
Synthetic nitrites in meat curing offer benefits but raise health concerns due to nitrosamine formation. Research explores natural nitrite alternatives to meet consumer demand for healthier meat products.
Area of Science:
- Food Science
- Meat Science
- Toxicology
Background:
- Nitrite is essential in meat curing for color, flavor, and microbial safety, particularly against Clostridium botulinum.
- Synthetic nitrites are cost-effective but linked to health concerns due to nitrosamine production.
- Growing consumer demand for natural meat products drives interest in alternatives to synthetic nitrites.
Purpose of the Study:
- To review the effects of nitrite in meat curing.
- To highlight the role of nitrites in forming carcinogenic nitrosamines.
- To explore natural nitrite substitutes for meat products.
Main Methods:
- Literature review of scientific studies on nitrite in meat curing.
- Analysis of the chemical pathways involved in nitrosamine formation.
- Investigation of natural sources of nitrites and their efficacy.
Main Results:
- Nitrite imparts desirable characteristics to cured meats, including color and flavor, and inhibits microbial growth.
- Synthetic nitrites contribute to the formation of potentially carcinogenic nitrosamines.
- Natural sources offer potential alternatives, though their application and efficacy require further study.
Conclusions:
- Understanding nitrite's dual role in meat curing is crucial for developing safer products.
- Natural nitrite alternatives show promise for healthier meat products.
- Further research is needed to optimize natural substitutes and ensure food safety.
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