Question

Short notes on penicillin in microbiology

Answer 1

Penicillins are a group of antibacterial drugs that attack a wide range of bacteria. They were the first drugs of this type that doctors used. The discovery and manufacture of penicillins have changed the face of medicine, as these drugs have saved millions of lives.

Penicillium fungi are the source of penicillin, which people can take orally or via injection.

People across the globe now widely use penicillins to treat infections and diseases.

Fast facts on penicillin

Penicillins were the first antibiotic that doctors used.

There are several antibiotics in the penicillin class.

Experts credit Alexander Fleming with discovering penicillins.

Penicillin works by interfering with bacteria cell walls.

Less than 1 percent of people are dangerously allergic to penicillin.

Answer 2

Answer:

A microbiological plate method, with Sarcina Zutea as test organism, is described for the assay of penicillin in feeding stuffs. The method is capable of determining penicillin in samples containing less than 5 units per g, at which level plate assay methods with Bacillus subtilis are insufficiently sensitive.