microbial spoilage of pharmaceuticals

Below is the example for the factors that cause pharmaceuticals spoilage.......EXCEPT

• 
• 
• 
• 

which one is NOT under the physio-chemical,for type of microbial spoilage.

• olfactory

• depolymerization

• physical spoilage

• coloration

"Contamination in syrup of Tolu by penicillin spp. Produces

toluene like smell' this situation is in the category of____________

• physical spoilage

• gas production

• olfactory spoilage

• viable growth

"microorganisms that produce toxic molecules will cause spoilage of

pharmaceutical formulation." This situation is refering to which type of microbial spoilage?

• physio-chemical spoilage

• microbial spoilage

• biological spoilage

• chemical spoilage

During the of pharmaceuticals preparations as

diluents, blinders, thickening, suspending agents, etc.....what is the chemical process that cause microbial spoilage to occur?

• acetylation

• hydrolysis

• degradation

• depolymerization