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Penicillin: More than a Moldy Petri Dish

Stuff You Missed in History Class

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Penecilon Manufacturing - A History of the Industrial Revolution

Researchers had been growing the mould in a broth in flat, rectangular pottery vessels in illinois. Researchers figured out that growing it in corn steep liquor yielded about ten times more penicilon. This involved gathering mould from all over the world, which they did with the help of the army transportation corps. They eventually found a sample growing on a mouldy cantelope that worked really well. The find is usually credited to lab assistant mary k hunt, who was nicknamed mouldy mary. Thi strain of the mould, penisilium chrisogenum, was about a hundred times more productive than the other strains they tried.

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