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A preservative and curing agent, mainly used in cured and dried meats. It helps prevent bacterial growth, including dangerous Clostridium botulinum, and gives cured products their characteristic pink-red colour. At high temperatures or in acidic conditions, nitrates can convert to nitrites and then to nitrosamines — compounds the WHO classifies as probably carcinogenic. Use is tightly regulated by EFSA, and authorised levels are considered safe for normal consumption.
Want to know if a product you eat contains E 251? Open FoodScan.ai, photograph any food product label and get your analysis.
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The information provided by this app is for general informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. While we strive to ensure the accuracy and reliability of the nutritional data and product analysis, it may not address your specific dietary or health needs. Always consult with a qualified healthcare professional or your doctor before making any significant changes to your diet, especially if you have underlying health conditions, allergies, or are on any medication. Reliance on any information provided by this app is solely at your own risk. For personalized health advice or concerns, please seek guidance from a medical professional.