e-journal
Effect of whey protein hydrolysates with different molecular weight on fatigue induced by swimming exercise in mice
              BACKGROUND: In order to improve the antioxidant and anti-fatigue capacities of whey protein for wider utilization, it was hydrolyzedbychymotrypsin(EC 3.4.21.1) toproducewheyprotein hydrolysate(WPH).Fractions ofWPHwith different molecular weight (MW) were separated by ultrafiltration. Kunming mice in various treatment groups were orally administered (1.5 g kg−1
body weight) whey protein isolate (WPI), WPH or WPHs with differentMW(30 kDa) for 6 weeks to explore whether differentMWfractions of WPH affected mice fatigue.
RESULTS: Compared with the control group (orally administered 9 g kg−1 saline) or the WPI group, low-MW (            
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