Table 2—

Plasma glucose, insulin, and fructosamine values during the metabolic day profile before (baseline) and after 5 weeks of HGI or LGI dietlegend

HGI diet
LGI diet
Baseline5 WeeksBaseline5 Weeks
Glycemia
    Fasting (0 min; mmol/l)5.38 ± 0.065.26 ± 0.115.43 ± 0.15.36 ± 0.11
    Morning peak (60 min; mmol/l)7.74 ± 0.32*7.7 ± 0.446.04 ± 0.376.6 ± 0.28
    Before lunch (240 min; mmol/l)4.62 ± 0.14*4.5 ± 0.135.3 ± 0.195.03 ± 0.13
    Afternoon peak (300 min; mmol/l)6.37 ± 0.236.03 ± 0.345.7 ± 0.116.36 ± 0.27§
    Morning AUC (mmol · 1−1 · 4 h−1)152 ± 22*187 ± 2365 ± 23109 ± 22
    Afternoon AUC (mmol · 1−1 · 4 h−1)188 ± 32*179 ± 3393 ± 23119 ± 21§
Insulinemia
    Fasting (0 min; pmol/l)96.5 ± 17.1228.9 ± 127.7132.4 ± 134.293.9 ± 15.2
    Morning peak (60 min; pmol/l)751.4 ± 129.7840.1 ± 216.6480.1 ± 130.4497.1 ± 80.6§
    Before lunch (240 min; pmol/l)126.5 ± 34.1128.9 ± 34.5163.1 ± 25.1107.6 ± 18.7§
    Afternoon peak (300 min; pmol/l)507.5 ± 94.6609.9 ± 134.2521.2 ± 117.1501.6 ± 127.9§
    Morning AUC (pmol · l−1 · 4 h−1)54,159 ± 10,88972,148 ± 13,99535,399 ± 7,56637,669 ± 6,238§
    Afternoon AUC (pmol · l−1 · 4 h−1)53,010 ± 8,896*59,526 ± 12,21734,049 ± 9,02941,347 ± 8,745§
Fructosamine (mmol/l)1.94 ± 0.071.86 ± 0.122.01 ± 0.061.90 ± 0.07
  • legend

    legend Data are means ± SEM (n = 11). Values were taken just before (in the fasting state) or after meal.

  • *

    * P < 0.05 vs. baseline values of LGI diet;

  • P < 0.05 vs. 5-week values of LGI diet;

  • P < 0.05 for changes during the dietary periods (delta: baseline −5 week, HGI vs. LGI);

  • §

    § P < 0.05,

  • P < 0.001,

  • P < 0.0001, by multiple ANOVA.