INS 330, INS 322, INS 551: What these numbers on packaged foods actually mean

Food packets often display numbers like INS 551, INS 330, or INS 322, leaving many consumers curious about their meaning. The International Numbering System for Food Additives (INS) is a standardized system that simplifies the identification and understanding of food additives on packaging. This system, developed by the Codex Alimentarius Commission, a joint body of the Food and Agriculture Organization (FAO) and the World Health Organization (WHO), aims to ensure consistency in naming food additives worldwide.

Richa Sharma, a Consultant Dietetics at Kailash Deepak Hospital, explains that INS numbers are used to identify various additives added to packaged foods. Instead of listing the full name of an additive, manufacturers often use a short code, such as INS 621, alongside the additive's functional class. This system helps both consumers and regulators quickly recognize and comprehend the additives present in food products.

Specific INS numbers have specific purposes. INS 330 represents citric acid, which helps control the sourness and acidity of a food and can also aid in maintaining its taste. INS 322 refers to lecithins, which function to help mix oil and water in ingredients like oil and water. Interestingly, lecithins can also naturally occur in foods such as soy and eggs.

Lastly, INS 551 is silicon dioxide, primarily used in powdered foods to prevent them from sticking together and forming lumps, ensuring the product remains free-flowing.

While the presence of an INS number on a food packet does not inherently make the food unhealthy or unsafe, consumers should not rely solely on these numbers when making choices. Sharma advises that one should also consider the overall ingredient list and nutrition information, particularly the amounts of sugar, salt, fat, and fiber. This comprehensive approach will provide a clearer picture of the product's overall healthiness.