Sealed packaged food items contain preservatives to prevent
Sealed packaged food items contain preservatives to prevent spoilage over long periods. These are chemical substances that inhibit bacteria, mold, and fermentation.
* Major Preservative Chemicals (Used in Sealed Packaged Foods):
Chemical/Compound
Use
Code
Sodium Benzoate
Juices, sauces, pickles, soft drinks
E211
Potassium Sorbate
Jams, jellies, baked goods, cheese
E202
Sodium Nitrite / Nitrate
Meat products (e.g., hot dogs, sausages)
E250 / E251
Calcium Propionate
Bread and baked goods to prevent mold
E282
Citric Acid
Enhances sourness and preserves
E330
Sulphur Dioxide (SO₂)
Dried fruits, wine, juices
E220
BHA (Butylated Hydroxyanisole)
Snacks, chips, oily items
E320
BHT (Butylated Hydroxytoluene)
Cereals, chewing gum, savory snacks
E321
✅ Why Are They Used?
• To prevent the growth of bacteria and fungi
• To extend the product’s shelf life
• To maintain taste, color, and texture
# Health Effects (If Consumed in Excess)
Effect
Potential Cause
Allergies / Skin Reactions
Sodium Benzoate, Sulphur Dioxide
Digestive Issues
Excessive Nitrates / BHT
Hormonal Effects
Synthetic preservatives like BHA and BHT
Hyperactivity (in children)
Artificial colors and preservatives combined
Note: excessive and regular consumption may be harmful to health.
* How to Identify on Packaging?
• Check the “Ingredients” section on food products for E-numbers or names, e.g.: Ingredients: Water, Sugar, Citric Acid (E330), Sodium Benzoate (E211)
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