In this article we will discuss about the tests for estimation of acid phosphatase in plants. Principle: The enzyme phosphatase hydrolyzes p-nitro-phenol phosphate. The released p-nitro-phenol is yellow in colour in alkaline medium and is measured at 405 nm. The optimum pH for acid and alkaline phosphatases are 5.3 and 10.5, respectively. Materials: (i) Sodium […]