Penicillin Production
In 1929, Alexander Flemming found that the mould Penicillium notatum secreted penicillin. However, the lytic agent appeared to be too unstable to be useful. In 1939, however, when Chain refined the active ingredient, termed penicillin, it proved to be extraordinarily powerful against some illnesses. Penicillin is not a single chemical entity, but rather a series … Read more