Table 2.
Mean energy and macronutrient content of 2400 kcal high and low glycemic load reference diets
| High Glycemic Load Diet | Low Glycemic Load Diet | |
|---|---|---|
| n=7 days | n=7 days | |
| Dietary Descriptor | Mean ± SD | Mean ± SD |
| Energy (kcal2/day) | 2398 ± 8 | 2396 ± 6 |
| Protein (g/day) | 90 ± 1 | 90 ± 0 |
| Energy from protein (% using total carb) | 15 ± 0.2* | 14 ± 0.4* |
| Energy from protein (% using available carb) | 15 ± 0.2 | 16 ± 0.2 |
| Fat (g/day) | 80 ± 0 | 81 ± 1 |
| Energy1 from fat (% using total carb) | 30 ± 0.3* | 29 ± 0.8* |
| % energy from fat (% using available carb) | 31 ± 0.2 | 31 ± 0.6 |
| Total carbohydrate (g/day) | 341 ± 6* | 361 ± 15* |
| Energy from total carbohydrate (%) | 56 ± 0.5* | 57 ± 1.1* |
| Energy from available carbohydrate (%) | 54 ± 0.8 | 53 ± 0.8 |
| Dietary fiber (g/day) | 24 ± 5* | 49 ± 8* |
| Glycemic Index/day | 78 ± 5* | 34 ± 1* |
| Glycemic Load/day | 244 ± 14* | 117 ± 3* |
Asterisk (*) next to p value < 0.05 for paired t-tests comparing high- and low-glycemic load diets.
1
Total energy calculated as sums of 4 kcal/g protein, 9 kcal/g fat and 4 kcal/g total carbohydrate.
2
Total energy calculated using available carbohydrate.
3
Data from ProNutra®: Metabolic Diet Study Management System (Viocare Technologies, Inc®. Princeton, NJ) and/or the Nutrition Data System for Research (version 2005, Nutrition Coordinating Center, University of Minnesota).