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Vitamin C & Sodium Benzoate

by
author image Sheri Kay
Sheri Kay has a master's degree in human nutrition. She's the co-author of two books and has been a nutrition and fitness writer since 2004.
Vitamin C & Sodium Benzoate
Read food labels to see what preservatives are added. Photo Credit BananaStock/BananaStock/Getty Images

Processed food manufacturers often use additives to preserve flavor and freshness in products that are meant to be stored for long periods. Ascorbic acid, or vitamin C, and sodium benzoate are both preservatives you may find together in soft drinks and canned vegetables, such as olives and capers.

Vitamin C

Vitamin C is found mostly in fruits and vegetables. Your body needs vitamin C for connective tissue synthesis and immune system function. It’s also an antioxidant that protects your cells from damage due to free-radical exposure. Ascorbic acid is one form of vitamin C that’s used as a food preservative because its antioxidant properties also protect foods from oxidation when they're exposed to the air.

Sodium Benzoate

Sodium benzoate is added to acid foods such as jams, soft drinks, salads, relishes and sauerkraut to prevent spoilage due to bacteria, mold and other microorganisms. The U.S. Food and Drug Administration considers sodium benzoate and benzoic acid to be safe at levels normally consumed by the general public.

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Benzene

Benzene is a cancer-causing chemical that is released from the emissions of cars and trucks and from burning coal and oil. Small amounts of benzene can form in foods that contain both vitamin C and sodium benzoate when they are exposed to heat or light -- or potentially after prolonged storage.

Benzene in Beverages

Information published by the U.S. Food and Drug Administration says the agency detected benzene levels above 5 parts per billion in 10 soft drink and beverage products in 2005. Soft drink manufacturers reformulated their products and follow up samples found benzene levels below 1.5 ppb, which is below the Environmental Protection Agency’s maximum contaminant level of 5 ppb for drinking water.

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References

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