the arginine decarboxylase activities in the same extracts ranged between 8 and 8000 nanomoles per hour per gram fresh weight being lowest in the borages and highest in oat and barley . alpha-difluoromethylornithine and alpha-difluoromethylarginine inhibited ornithine and arginine decarboxylases , respectively , in all species .
C0002260
alpha-difluoromethylornithine
C0029277
ornithine