• Korean Journal of Pharmacognosy
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• v.38 no.3 s.150
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• pp.234-238
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• 2007

Hyo Shim Dan Hwan (孝心丹丸) is a Chinese patent medicine which is used for neuralgia and palsy in Korea. This medicine consists of 15 kinds of powdered crude drugs. For the identification of individual ingredients in such powdery mixtures, microscopic method may advantageously be used, as it requires only small amount of specimens. In this study, the effectiveness of this method is exemplified by the identification of the ingredients in Hyo Shim Dan Hwan, which contains 15 powered crude drug ingredients.