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Preservative (INS 250)

Also Known As : Sodium nitrite


Taste Profile

Preservative (INS 250) has a mild salty taste.

Common names and forms

  1. Acidity Regulator (250)
  2. Nitrite (INS 250)
  3. Preservative (E250)
  4. Sodium Nitrite (INS 250)


Preservative (INS 250) is a food additive commonly used in the meat industry. When it is added to meat, it gives a rich red color which makes the meat very appealing in appearance. It also protects the meat from oxidation which causes rancidity and bad odour and prevents the development of harmful bacteria, Clostridium botulinum that causes botulism, a food infection leading to nervous system damage. It exists as a white crystalline powder which is slightly yellowish in colour.


Preservative (INS 250) is quite harmful as may lead to Acute methemoglobinemia (condition where haemoglobin loses its ability to carry oxygen) with symptoms like lack of energy, difficulty in breathing, headache, dizziness, vomiting, diarrhoea and sometimes a blue or pale purple colouration in areas near the eyes, mouth, lips, hands and feet (blue baby syndrome).(1)

Resource & Links


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"Information here is provided for discussion and educational purposes only. It is not intended as medical advice or product or ingredient review/rating. The information may not apply to you and before you use or take any action, you should contact the manufacturer, seller, medical, dietary, fitness or other professional. If you utilize any information provided here, you do so at your own risk and you waive any right against Culinary Communications Private Limited, its affiliates, officers, directors, employees or representatives.”