Used for the quantitative measurement of lecithin-cholesterol acyltransferase (LCAT) activity in rat biological samples such as serum or plasma. This ELISA kit enables researchers to assess LCAT function in studies related to lipid metabolism, atherosclerosis, and cardiovascular diseases in rat models. It is particularly useful in preclinical research evaluating the impact of drugs or genetic modifications on cholesterol esterification and high-density lipoprotein (HDL) maturation. The assay provides a reliable and sensitive method to monitor changes in enzyme activity under experimental conditions.