PENICILLIN 



93 



Fig. 25. Stainless steel vat fermenter of 150 gallon capacity employed at the North- 

 ern Regional Research Laboratory for pilot plant studies in penicillin production 

 and other fermentations. 



White, et al. (1945) reported the development of a synthetic medium 

 for penicillin production and obtained yields up to 80 or 90 per cent of those 

 produced on the usual lactose-steep liquor medium. Amino acids in the 



