How have penicillin developed voer time?

how much processing has it been through from its invention?

Answers:

Hi, as you might know Penicillin was discovered within 1928 by Scottish scientist Alexander Fleming. Penicillin is made from penicillin mold, it is found in moldy bread. Then Fleming found that penicillin eats or destroys the bacteria. From next on it was and still is used in medicine to treat yawning range of diseases.