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F. Bohlmann, C. Zdero and M. Silva, “Two Further Ere- mophilane Derivatives from Tessaria Absynthioides,” Phytochemistry, Vol. 16, 1977, pp. 1302-1303. doi:10.1016/S0031-9422(00)94385-1

has been cited by the following article:

• TITLE: Efficient Isolation of an Anti-Cancer Sesquiterpene Lactone from Calomeria amaranthoides by Steam Distillation

  AUTHORS: Colin Charles Duke, Caroline van Haaften, Van Hoan Tran

  KEYWORDS: Sesquiterpene Lactone, Calomeria amaranthoides, Steam Distillation, Chromatography

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.1 No.4, November 16, 2011

  ABSTRACT: An efficient method of isolating an anti-cancer sesquiterpene lactone, eremophila-1(10)-11(13)-dien-12,8?- olide, was developed from fresh Calomeria amaranthoides plant material on the basis of its non-polar vola-tile property. Steam distillation of fresh plant material gave a high recovery of sesquiterpene-rich oil, 0.56%, compared with the estimated 0.66% calculated from solvent extraction of dried plant material. The ses-quiterpene-rich oil containing 58% of the sesquiterpene lactone was fractionated by the short-column vac-uum chromatography method, using minimal stationary-phase and solvent, to give the sesquiterpene lactone 95% purity, yield 41%.