Used for the quantitative measurement of ANS (Aromatic L-Amino Acid Decarboxylase) enzyme activity in plant samples. This ELISA kit enables researchers to assess the levels of ANS involved in the biosynthesis of aromatic compounds and secondary metabolites, such as flavonoids and alkaloids. It is widely applied in plant physiology and biochemistry studies to understand metabolic pathways, stress responses, and developmental processes in plants. The assay is suitable for high-throughput analysis and provides a reliable tool for monitoring changes in enzyme activity under various experimental conditions, including environmental stress, genetic modifications, or chemical treatments.