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The leaves of C. amaranthoides were extracted and then fractionated by column chromatography.

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Two compounds were isolated by chromatographic fractionation and identified by nuclear magnetic resonance (1H-NMR, 13C-NMR) and mass spectrometry analyses.

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van Haaften and Tran: Efficient isolation of an anti-cancer sesquiterpene lactone from Calomeria amaranthoides. Green and Sustainable Chemistry 2011, 1: 123-127

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Veerstraat 33, 2311 NA, LEIDEN: The Netherlands

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  • Calomeria amaranthoides is a tall, fragrant biennial herb, growing to 3.5 metres in height. It has sticky stems and leaves which are green above and whitish beneath and are up to 15 cm long and 5 cm wide. Its flowers appear in large brown to red plumes in the summer (January to April in its native range)