the substrate succinylcholine is hydrolyzed by plasma cholinesterase ( ec 3.1.1.8 ) , and the choline produced is oxidized by choline oxidase ( ec 11.3.17 ) in the presence of peroxidase , 4-aminophenazone and phenol , to yield a chromagen with maximum absorbance at 500 nm .
C0038627
succinylcholine
C0008405
choline