IL6 and brain ischemia: All kinds of borneol significantly reduce TNF-α levels, while D-borneol and DL-borneol reduce IL-1β levels and DL-borneol reduces IL-6 in cerebral ischemia/reperfusion models (Ni, 2011; Chang et al., 2017; Wen, 2017; Yu et al., 2017b; Dong et al., 2018).