repeated administration ( 25 mg/kg given once a day by gavage ) of the methyl ester of ( e ) -2- ( fluoromethyl ) dehydroornithine for 8 days to rats results in a constant 80 % inhibition of odc over a 24-hr period , accompanied by a 90 % decrease of putrescine and spermidine concentrations in the ventral prostate .
C0034170
putrescine
C0037871
concentrations