In this article we will discuss about the tests for estimation of peroxidase in plants. Principle: The enzyme peroxidase catalyses the oxidation of substrate by oxygen generated from the decomposition of hydrogen peroxide: 2H2O2 → 2H2O + O2 Substrate + O2 → Oxidized substrate. Requirements: (a) Reagents: 1. Hydrogen peroxide (H2O2) — 0.2% 2. Catechol […]
Estimation of Peroxidase | Enzyme Activity
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Estimation of Free Fatty Acid
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In this article we will discuss about the tests for estimation of free fatty acid. Principle: The free fatty acid in an oil is estimated by titrating it against KOH in the presence of phenolphthalein indicator. The acid number is defined as the mg KOH required to neutralize the free fatty acids present in 1 […]
Estimation of Lipase | Enzyme Activity
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In this article we will discuss about the tests for estimation of lipase in plants. Principle: The quantity of fatty acid released in unit time is measured by the quantity of NAOH required to maintain pH constant. The milliequivalent of alkali consumed is taken as a measure of the activity of the enzyme. Materials: a. […]
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