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Inorganics
Nitrate (as NO₃⁻)
An inorganic ion commonly found in soil, water, and food, used as a preservative and nutrient source in agriculture and food processing.
Mineral or nutrientUpdated Nov 27, 2023
Health score-2.0
-5Poor5
Water guidelines
- Legal limit
- 45 mg/L
- Health guideline
- 45 mg/L
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- 3700 mcg/day
Risks
Potential to form nitrosamines which are carcinogenic, methemoglobinemia risk especially in infants, contamination from agricultural runoff
Benefits
Used as a food preservative to inhibit microbial growth, supports plant nutrition and growth
References
Waters containing Nitrate (as NO₃⁻)
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