Preservatives

Question 1

prevent microbial contamination, maintain sterility in the event of accidental contamination

Answer 1

PRESERVATIVES

Question 2

Effective at low concentrations against all possible microbes, nontoxic, compatible, stable for the shelf life

Answer 2

PRESERVATIVES

Question 3

(p-hydroxybenzoic acid)

Answer 3

PARABENS

Question 4

Useful for liquid dosage forms, Antifungal, Preservative effect tends to increase with molecular weight

Answer 4

PARABENS

Question 5

antifungal preservative; preserve preparations containing sugars

Answer 5

Sorbic Acid

Question 6

more effective against yeast, more oil soluble so it is preferred for oils and fats

Answer 6

Propylparaben

Question 7

occurs primarily in rose oil and pine needle oil; used in perfumery

Answer 7

Phenylethyl Alcohol

Question 8

preservative in acidic liquid preparations in which benzoic acid is released

Answer 8

Sodium Benzoate

Question 9

bacteriostatic in pharmaceuticals for injection, opthalmic, and intranasal

Answer 9

Chlorobutanol

Question 10

more effective against molds

Answer 10

Methylparaben

Question 11

antifungal preservative

Answer 11

Sodium Propionate

Question 12

common in vials of injectables with 1%to 4% concentrations in water or saline

Answer 12

Benzyl Alcohol

Question 13

preservatives in foods and pharmaceuticals at low pH

Answer 13

Benzoic Acid