Fig. 2. Images of the dopaminergic cells in the substantia nigra pars compacta on the lesion side (a) and unlesioned side (b) of vehicle treated animals and on the lesioned side of animals treated with the extracts of tangerine peel (c), cocoa-2 (d), red clover (e), white (f) and red (g) grape seeds and cocoa-1 (h).