What Is Sodium Benzoate?
Sodium benzoate is the sodium salt of benzoic acid, widely used as a preservative in the food and beverage industry. It is one of the most common antimicrobial preservatives, effective at inhibiting the growth of yeasts, moulds, and certain bacteria in acidic environments.
LiquidShop supplies food-grade sodium benzoate in bulk for Canadian food and beverage manufacturers.
How Sodium Benzoate Works
Sodium benzoate is most effective in acidic conditions, typically at a pH below 4.5. In this environment, it converts to benzoic acid, which disrupts the cellular metabolism of microorganisms, preventing spoilage.
This is why sodium benzoate is commonly paired with acidulants like citric acid -- the combination creates an environment where the preservative is most active.
Common Applications
Beverages
Sodium benzoate is one of the most widely used preservatives in soft drinks, fruit juices, flavoured waters, and carbonated beverages. It helps extend shelf life without significantly affecting taste or appearance.
Condiments and Sauces
Products like salad dressings, soy sauce, vinegar, and pickled products commonly contain sodium benzoate as a preservative.
Baked Goods
While less common than in beverages, sodium benzoate is used in some baked goods and pastry fillings to prevent mould growth.
Pharmaceuticals and Cosmetics
Beyond food, sodium benzoate is used as a preservative in liquid medications, mouthwashes, and personal care products.
Regulatory Status
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Health Canada: Permitted as a food additive with specified maximum levels
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FDA (USA): Generally recognized as safe (GRAS) for use as a preservative
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EU: Approved food additive (E211)
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Codex Alimentarius: Included in the General Standard for Food Additives
Usage Guidelines
- Typical usage levels range from 0.02% to 0.1% by weight
- Most effective at pH levels below 4.5
- Often used in combination with potassium sorbate for broader antimicrobial coverage
- Should be dissolved in water before adding to formulations for even distribution
Bulk Sodium Benzoate from LiquidShop
Our food-grade sodium benzoate is available in bulk quantities for commercial food and beverage production. We provide Certificates of Analysis with every shipment and offer competitive pricing for Canadian businesses.
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