Blackberry antioxidant protection to prevent muscle damage in elite athletes

Myriam Zarai García-Dávila, Guadalupe Gutiérrez-Soto, Sylvia Adriana Estrada-Díaz, Blanca Edelia González Martínez, Elisabet Rodríguez-Bies, Blanca Rocio Rangel-Colmenero


High intensity physical activity can provoke muscle damage and consequently affect athletes’ performance. The aim of this study was to determine if antioxidants contained in blackberry can stimulate athletes’ processes of recovery from muscle damage, using Creatine Kinase (CK) quantification and urea values after a week of competition as indicators. Participants were divided into an experimental (EG) and a placebo group (CG). In both groups, CK and urea in plasma were measured before, during and after competition. Significant differences were observed in EG at pre and post phases, compared to the basal (p < 0.05). Further, significant differences were found in the pre-post analysis of EG (p < 0.05), as well as after 48h and 72h compared with post-test (p < 0.05). Significant differences were also found for CG (p < 0.05) at 48h and 72h compared to post-test. As regard to urea concentration, differences were shown at post-test, after 24h, and after 48h compared to pre-test (p < 0.05). CG showed no significant differences at any stage of the research. These results suggest that consumption of blackberries may contribute to muscle damage recovery.


Handball; Creatine kinase; Flavonoids; Total phenols; Urea

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