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• MakaleAçık Erişim2021Scopus SJRQ1/r/munzur/2466
  Next‐generation ultrasol curcumin boosts muscle endurance and reduces muscle damage in treadmill‐exhausted rats

  Sahin, Emre; Orhan, Cemal; Erten, Fusun; Er, Besir; Acharya, Manutosh; Morde, Abhijeet A.; Padigaru, Muralidhara; Sahin, Kazim

  Curcumin positively affects performance during exercise and subsequent recovery. However, curcumin has limited bioavailability unless consumed in larger doses. In the current study, we examined the impact of a new formulation of curcumin, Next‐Generation Ultrasol Curcumin (NGUC), which is relatively more bioavailable than natural curcumin on exhaustion time, grip strength, muscle damage parameters, and serum and muscle proteins. A total of 28 rats were randomly grouped as control (C, non‐supplemented), exercise (E, non‐supplemented), E+NGUC100 (supplemented with 100 mg/kg BW NGUC), and E+NGUC200 (supplemented with 200 mg/kg NGUC). Grip strength and exhaustion time were increased with NGUC supplementation (p < 0.0001). Creatine kinase (CK), lactate dehydrogenase (LDH), lactic acid (LA), myoglobin, malondialdehyde (MDA) concentrations were reduced in serum, and muscle tissue in NGUC supplemented groups (p < 0.05). In contrast, NGUC supplementation elevated the antioxidant enzyme levels compared to the non‐supplemented exercise group (p < 0.01). Additionally, inflammatory cytokines were inhibited with NGUC administration (p < 0.05). NGUC decreased PGC‐1α, p‐4E‐BP1, p‐mTOR, MAFbx, and MuRF1 proteins in muscle tissue (p < 0.05). These results indicate that NGUC boosts exercise performance while reducing muscle damage by targeting antioxidant, anti‐inflammatory, and muscle mass regulatory pathways.

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