Definition Plasma cholinesterase (also known as pseudocholinesterase, butyrylcholinesterase, or BuChE) is a serine hydrolase that catalyses the hydrolysis of esters of choline. It is most known for the metabolism of depolarizing neuromuscular blocking agent succinylcholine (also known as suxamethonium chloride, or SCh) by hydrolysis of the two ester links of choline to succinic acid. BuChE […]