Water and alcohol extracts from Diaphragma juglandis on anti-fatigue and antioxidative effects in vitro and vivo

BACKGROUND To estimate the anti-fatigue and antioxidative effects of water and alcohol extracts from Diaphragma juglandis (DJ), H2O2-treated HepG2 cells were used as an in vitro model to determine the total antioxidant capacities of these two extracts, and behavioral tests on mice and biochemical assay were performed via in vivo experiments. RESULTS The results indicate that both extracts possess remarkable HepG2 protective capacities and were capable of scavenging 2,2-diphenyl-1-picrylhydrazyl and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) similar to vitamin C. Furthermore, they could significantly prolong the bar climbing time and force swimming time, as well as decrease the serum urea nitrogen and increase the lactate dehydrogenase level and glycogen content. These extracts could also improve the activities of total antioxidant capacity, malondialdehyde, superoxide dismutase, catalase and glutathione peroxidase. CONCLUSION In conclusion, both water and alcohol extracts from DJ showed good performance with respect to anti-fatigue and could be a potential antioxidant additive in the field of functional foods. (c) 2020 Society of Chemical Industry

Automated summary

Both water and alcohol extracts from DJ exhibited significant protective capacities against HepG2 cells and showed antioxidant abilities similar to vitamin C. These extracts also improved physical performance in mice and enhanced antioxidant enzyme activities, suggesting their potential as functional food additives.