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| - In traditional Chinese medicine practices, decoction in water is broadly employed and is an effective method to be considered in cases where the presence of a chemical solvent is undesired. [2],[3],[4],[5],[6] In addition to the soaking/maceration technique, percolations using methanol and ethanol on the stem were also applied. [7],[8],[9],[10],[11],[12] Other solvents such as acetone, petroleum e
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