An enzyme found in the blood and other tissues that, like cholinesterase, breaks down acetylcholine, but much more slowly. Not being localized at nerve endings, it plays little part in the normal breakdown of acetylcholine in synapses and at neuromuscular junctions.
A nonspecific cholinesterase that hydrolyzes non choline esters as well as acetylcholine, It is found in serum and pancreatic tissue.