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The identification, physicochemical characterization, production, extraction, preparation, quality control and biological evaluation of drugs are involved in pharmacognosy. The bioactive chemical can be isolated using a plant leaf, flower, root, animal or plant extract. A medicinal preparation is called any plant preparation that is used for health purposes rather than merely for nutritional supplementation or to add flavor to food.
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Lazari D. Diamanto (2020) studied this question.
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