Has a broad substrate specificity hydrolyzing a variety of triglycerides and phosphatidylcholines. a triacylglycerol + H2O = a diacylglycerol + a fatty acid + H(+) a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 2-acyl-sn-glycero-3-phosphocholine + a fatty acid + H(+) Optimum pH around 9. Belongs to the AB hydrolase superfamily. Lipase family.