LAP (Leucine Aminopeptidase) Test: Introduction, Principle, Test Requirements, Procedure, Result -Interpretation, and Limitations
Introduction of LAP (Leucine Aminopeptidase) Test LAP stands for leucine aminopeptidase which is an enzyme useful for definitive identification of catalase-negative, gram-positive cocci of Aerococcus and Leuconostoc (LAP test negative) from other organisms in the group like Streptococcus, Enterococcus, Lactococcus, and Pediococcus (almost always positive). Principle of LAP test Hydrolysis of the leucine-pnaphthylamide substrate by …