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Article | IMSEAR | ID: sea-210431

ABSTRACT

Modern extraction technique was investigated for the separation of betulinic acid from the bark of Dillenia indicaLinn. Betulinic acid, a pentacyclic triterpenoid, is a potent anticancer compound and possesses other pharmacologicalactions. The objective of the present study was to investigate the optimum extraction conditions for betulinic acidusing microwave-assisted extraction by applying response surface methodology based on three factors three levelsBox–Behnken experimental design. The extraction was performed by considering three different independent variables:extraction temperature (70°C–90°C), microwave power (100 W), and extraction time (10–20 minutes) and quantifiedusing developed High-performance thin layer chromatography method. The maximum yield of betulinic acid at optimizedexperimental conditions, i.e., 90°C, 200 W, 15 minutes was found to be 0.91%w/w. Analysis of variance showed that the“p-value” was 0.0004 which indicate that the models were statistically significant (p ˂ 0.05). The value of the “coefficientof determination” (R2) for microwave-assisted extraction was 0.94 which indicate that the model shows the goodness offit. To conclude, Microwave Extraction technique along with response surface design proved to be efficient compared toconventional methods which could be applied to isolate active constituents from plant sources.

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