Table II.

Comparison of daytime and nighttime carbohydrates in LD, LS, SD, and SL

Nighttime carbohydrate levels that are significantly different from daytime levels are marked with an asterisk (Student's t test, P = 0.05).

CarbohydrateLDLSSDSL
μmol/g FW
G6PDaya0.254 ± 0.0120.271 ± 0.0160.195 ± 0.0110.234 ± 0.010
Nightb0.263 ± 0.0110.177 ± 0.010*0.167 ± 0.006*0.242 ± 0.019
GlcDay1.251 ± 0.0951.029 ± 0.0951.769 ± 0.0321.583 ± 0.080
Night0.377 ± 0.015*0.303 ± 0.025*0.399 ± 0.059*0.738 ± 0.081*
α-MaltoseDay0.037 ± 0.0020.046 ± 0.0060.029 ± 0.0030.028 ± 0.001
Night0.070 ± 0.005*0.032 ± 0.002*0.037 ± 0.0030.059 ± 0.008*
β-MaltoseDay0.030 ± 0.0020.034 ± 0.0030.021 ± 0.0030.022 ± 0.001
Night0.121 ± 0.015*0.041 ± 0.0030.042 ± 0.003*0.097 ± 0.007*
MaltoseDay0.067 ± 0.0030.080 ± 0.0070.050 ± 0.0050.050 ± 0.002
Night0.191 ± 0.015*0.073 ± 0.0040.079 ± 0.003*0.156 ± 0.010*
SucDay2.249 ± 0.0912.169 ± 0.1531.493 ± 0.0621.628 ± 0.082
Night1.430 ± 0.154*0.926 ± 0.074*0.860 ± 0.049*1.469 ± 0.084
  • a Daytime carbohydrate levels are mean of all the daytime samples ± se (n = 40 for LD and SL; n = 15 for SD and LS).

  • b Nighttime carbohydrate levels are mean of all the nighttime samples ± se (n = 15 for LD and SL; n = 40 for SD and SL).