MaxSignal® Beta-Lactamase Test Strip Kit is designed for routine screening beta-lactamase in milk. This sensitive kit enables government agencies, food manufacturers, as well as quality assurance organizations, to detect beta-lactamase to as low as 0.8 U/mL. The beta-lactamase test strip provides a qualitative method for detecting beta-lactamase in milk. The nitrocefin is coated on the paper strip. If there is beta-lactamase in milk, it hydrolyzes the beta-lactam ring of nitrocefin, producing cephalosporanic acid. A distinctive color change is associated with this reaction. The pale yellow nitrocefin turns pink after hydrolysis within the time limits of the test. This kit is manufactured to the international quality standard ISO 9001:2008.