In this article we will discuss about the tests for estimation of proline in plants. Principle: During selective extraction with aqueous sulphosalicylic acid, proteins are precipitated as a complex. Other interfering materials are also presumably removed by absorption to the protein-sulphosalicylic acid complex. The extracted proline is made to react with ninhydrin in acidic conditions […]
Estimation of Proline | Plants
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Estimation of Sulphate by Gravimetric Method | Plants
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In this article we will discuss about the gravimetric method for estimation of sulphate in plants. Principle: Sulphate is precipitated as barium sulphate in hydrochloric acid medium by the addition of barium chloride solution. The reaction is carried out near the boiling temperature. The precipitate is filtered and washed to remove the chlorides, then dried […]
Estimation of Acid Phosphatase | Enzyme Activity
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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 […]
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