Fig. 1

Selected markers of mucosal immunity, stress, inflammation and upper respiratory symptoms for the cherry juice and placebo groups before and up to 48 h following a Marathon race (Mean ± SD; n = 10 per group). sIgA concentration (panel A); sIgA output (panel B); IgG concentration (panel C); salivary cortisol (panel D); serum C-reactive protein concentration (CRP, panel E); severity of upper respiratory tract symptoms (URTS, panel F). *Significantly lower serum CRP and severity of URTS in the CJ than the PL group at 24 h and 48 h post-Marathon race (P < 0.05). †Significant time effect