Preservative Additives
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Acetic Acid
pH control also salts of acetic acid (sodium acetate, etc)
ascorbic acid
preservative also nutrient additive
benzoic acid
preservative also salts of benzoic acid (sodium benzoate in soda)
BHA (butylated hydroxyanisole)
antioxidant
BHT (butylated hydroxytoluene)
antioxidant
calcium lactate
pH control calcium salt of lactic acid
calcium propionate
pH control (antimycotic) calcium salt of propionic acid-frequently used in cheese
citric acid
pH control, antioxidant, sequestrant sodium citrate is salt form also used as flavor
corn syrup
lowers water activity used as functional additive
EDTA (ethylenediaminetetra-acetic acid)
antioxidant, sequestrant used in canned potatoes to chelate iron from can; prevents discoloration
lactic acid
acidifier sodium lactate, calcium lactate, etc
methylparaben
preservative
phosphoric acid
pH control used in soda; phosphate salts used in meat products
propionic acid
antimycotic also salts: sodium or calcium propionate; inhibits mold
propyl gallate
antioxidant pork sausage, chewing gum
propyl paragon
inhibits mold
sodium chloride
preservative only if >10% by weight of product salt is almost always a flavoring!
sodium nitrate
curing and pickling agent used in smoked, cured meats and fish
sorbic acid
antifungal sodium sorbate is salt
sucrose
lowers water activity in high concentrations
potassium sorbate
antimycotic salt of sorbic acid; inhibits mold