Jack, B.U.* et al. A polyphenol-enriched fraction of Cyclopia intermedia decreases lipid content in 3T3-L1 adipocytes and reduces body weight gain of obese db/db mice. S. Afr. J. Bot., DOI: 10.1016/j.sajb.2016.08.007 (2016) Weissflog, L.* et al. Oxidative biodegradation of tetrachloroethene in needles of Norway spruce (Picea abies L.). S. Afr. J. Bot. 73, 89-96 (2007)