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Preservative (sodium nitrate [E251])
Sodium nitrate is a preservative used to inhibit microbial growth and preserve color in processed foods.
Mineral or nutrientUpdated May 20, 2026
Health score-3.0
-5Poor5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Potential formation of carcinogenic nitrosamines under certain conditions, regulatory limits on use
Benefits
Prevents microbial spoilage, extends shelf life of processed meat products
References
Waters containing Preservative (sodium nitrate [E251])
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