• Korean Journal of Pharmacognosy
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• v.32 no.1 s.124
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• pp.10-14
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• 2001

Three alkaloids, (-)-stylopine (I), (+)-chelidonine (II), oxysanguinarine (III) and two triterpenoids, $6{\alpha}-hydroxy-A-neo-germacer-22(29)-en-30-oic\;acid$ (IV) and hop-22(29)-en-30-oic acid (V), were isolated from the methanol extract of of Chelidonium majus var. asiaticum, and their cytotoxicity were tested against five cultured human tumor cell lines.