Powdered drug (1 g) is extracted by heating under reflux for 10 min with 10 ml methanol. The filtrate is evaporated to 3 ml, and 10 μl is used for chromatography.
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© 1996 Springer-Verlag Berlin Heidelberg
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(1996). Drugs with Pungent-Tasting Principles. In: Plant Drug Analysis. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-00574-9_14
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DOI: https://doi.org/10.1007/978-3-642-00574-9_14
Publisher Name: Springer, Berlin, Heidelberg
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