In 1928, Alexander Fleming observed that colonies of a bacterium called Staphylococcus aureus could be destroyed by the mold Penicillim notatum, proving that there was an antibacterial agent there in principle. This achievement later lead to medicines that could eradicate certain types of disease caused by bacteria inside the human and animal body. At that time, the importance of Fleming’s discovery was not known. The use of the penicillin did not begin until the 1940s, when the active ingredient was isolated and developed a powdery form of the medicine.
The penicillin is one of the earliest discovered and widely used antibiotic agents, derived from the Penicillium mold. Antibiotics are naturals substances that are released by bacteria and fungi into the environment, as a means of inhibiting other organisms.
Manuel Alejandro Ramírez-M.
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