abstract |
Nocardicin A is produced by culturing a Nocardicin A producing microorganism in a medium containing at least one of shikimic acid, a hydroxy phenyl carboxylic acid, glycine, alanine, serine, homoserine, alpha aminobutyric acid, alpha , beta -diaminoproprionic acid and their ester, acid amide and hydrazide derivatives in a concentration of 2-0.001% by weight. |