Showing posts with label penicillin. Show all posts
Showing posts with label penicillin. Show all posts

Wednesday, October 3, 2012

What is penicillin and Source of Penicillin



PENICILLINS

It is the oldest member of bactericidal antibiotics . Sir Alexander  Fleming discovered penicillin in 1928.
In 1940 Chain , Folery and their  associates first produce significant quantities  of penicillin from cultures of Penicillium  notatum . 
Penicillins are lipid insoluble. 
penicillin
Cannot cross the blood brain barrier.
Can cross the placental barrier.

Source of Penicillin :
1. Natural : Penicillum notatum (previously)
penicillin
Penicillium chrysogennum (now a day )
2. Synthetic.
3. Semisynthetic.