The correct option is D Aldolase enzyme
Lipase is the enzyme that hydrolyzes lipids, the ester bond in triglycerides to form fatty acids and glycerol.
Ptyalin is an amylase found in the saliva of many animals, that converts starch into sugar.
Rennin is an enzyme that coagulates milk and is used in making cheese.
Aldolase enzyme catalyzes reversibly the cleavage of a phosphorylated fructose into triose sugars. Aldolase can be found throughout the body; however, the concentrations are highest in the muscles and the liver. With age, there in decrease in the activity of aldolase enzyme.
Thus, the correct answer is option (D), 'Aldolase enzyme'.