TABLE 2

Effect of fasting duration on body composition and tissue glycogen content in C57BL/6J mice

5-h fast18-h fast
n66
Weight loss (g)1.2 ± 0.13.5 ± 0.1*
Muscle mass loss (g)0.8 ± 0.12.5 ± 0.2*
Fat mass loss (g)0.2 ± 0.020.6 ± 0.1*
Liver glycogen (mg glycosyl units/g tissue)31.8 ± 2.13.1 ± 1.2*
Gastrocnemius glycogen (mg glycosyl units/g tissue)5.3 ± 0.45.0 ± 0.4
  • Data are means ± SE.

  • *

    * P < 0.05 vs. 5-h fast.