Action ► Tender leaf—stimulant, stomachic, diuretic, antiscorbutic, rubefacient. Seed—vesicant, antibacterial.
Seeds and fresh plant gave glu-coerucin (4-methylthiobutyl glucosi-nolate); leaves yielded iso-rhamnetin-3-glucoside and iso-rhamnetin. The volatile oil of the seeds contains isoth-iocyanate derivatives. The oil at 0.004 and 0.008 ml/kg exhibits diuretic activity. The ethanolic extract of the seeds is diuretic at 20 and 40 mg/kg Seeds are used to induce vomiting in place of ipecac.
Crude juice of the plant inhibited E. coli, S. typhi and B. subttis.
244 Ervataemia coronaria staff.
For eating purposes, the plant should be gathered before flowering; for medicinal use when in flower.
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