Two new compounds, crotmadine (1) and crotmarine (3); a known pyrrolizidine alkaloid, fulvine (8), and three other known compounds, trans-3,4,3',5'-tetra methoxystilbene (5), dihydroalpinumisoflavone (6), and 4',5,7-trihydroxy-3-methoxyflavone (7), have been isolated from the leaves and stems of Crotalaria madurensis. Both crotmadine (1) and crotmarine (3) exhibit antifungal activity against Trichophyton mentagrophytes.
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BHAKUNI et al. (1984) studied this question.