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Fig. 2 | Nutrition & Metabolism

Fig. 2

From: Whey protein sweetened with Stevia rebaudiana Bertoni (Bert.) increases mitochondrial biogenesis markers in the skeletal muscle of resistance-trained rats

Fig. 2

Effect of the supplementation with whey protein sweetened with S. rebaudiana on the exercise adaptations in resistance-trained rats. Body weight during the 8-weeks of the resistance training (a) and the body weight gain after this period (b), n = 10. Food intake during the 8-weeks of the resistance training (c), n = 10. Weight of the skeletal muscles pads (d), white adipose tissues pads (e) and brown adipose tissue pad (f), n = 9 TC, 9 TW and 10 TWS. Muscle fiber (g) and retroperitoneal adipocytes (h) diameters, n = 6. Maximum load-carrying capacity at the end of resistance training program (i), n = 10. For the representative images of muscle fibers and adipocytes diameters, see Additional file 1: Figures S1 and S2. TC, trained control rats; TW, trained rats receiving whey protein; TWS, trained rats receiving whey protein sweetened with S. rebaudiana leaf extracts. Data are presented as the mean ± S.E.M. *p ≤ 0.05 vs TC and #p ≤ 0.05 vs TW, ANOVA, Tukey’s post-hoc test

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