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Fig. 4. Percentage loss of striatal dopamine on the lesioned side compared to the unlesioned side in unilateral 6-OHDA (12µg) lesioned rats. Columns represent the mean ± SEM values. n = 6 per group. In the vehicle treated animals, the dopamine levels in the unlesioned striata were 13.8 ± 0.5 ng/mg. Open columns represent respective vehicle treated group. a) tangerine peel (filled column), b) cocoa-1 (vertical lines) and cocoa-2 (horizontal lines), c) red grape seed (backslash) and white grape seed (forward slash) and d) red clover (squares). *P < 0.05, **P < 0.01 vs. vehicle-treated group (unpaired Student's t-test).
