Preservative Additives Flashcards
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
