I. A. Elhassan, E. E. Elmubarak, and S. M. Ayoub Hussein, “Characterization of Lipid Compounds of the Dried Fruits of Xylopia aethiopica (Dunal) A. Rich Growing in Sudan”, Pak. J. Nutr., vol. 8, no. 10, pp. 1592–1595, Sep. 2009, doi: 10.3923/pjn.2009.1592.1595.