solid oral dosage form 2 Flashcards
1
Q
a capsule is _______________
A
A capsule consists of a dose of drug enclosed in a water soluble shell made of gelatin.
2
Q
why is gelatin used for capsule shell
A
because it is:
Non toxic
Soluble at body temperature: dissolves easily after being swallowed
Has good film forming properties:
Changes from a gel to solid by evaporating water at temperatures just above room temperature. making it a relatively cheap process.
3
Q
how is gelatin made?
A
Gelatin is prepared by hydrolysis of collagen (main constituent of connective tissue)