Preservatives Flashcards
1
Q
examples of anti-microbials
A
organic acids: benzoic, sorbic
parabens: propyl paraben
2
Q
advantages of using parabens
A
active at low concs, non-toxic, cheap, stable, reasonable spectrum of activity, undetectable, long acting
3
Q
challenge test
A
assesses activity with product in final container and innoculates with test organisms like staph a, e coli, candida albicans, aspergillus
