Table 2.
Fasting glycemia (mg/dL) in adult human subjects who consumed spray-dried extracts of maca (red or black) or a placebo at low (LA) and high altitude (HA).
| Time of Consumption (Weeks) | Placebo | Red Maca | Black Maca | |||
|---|---|---|---|---|---|---|
| LA (32) | HA (33) | LA (30) | HA (35) | LA (32) | HA (31) | |
| 0 | 90.78 ± 1.38 | 71.48 ± 2.25 | 92.81 ± 1.48 | 75.00 ± 2.47 | 91.61 ± 1.12 | 78.96 ± 2.50 a |
| 4 | 89.77 ± 1.40 | 69.84 ± 1.70 | 90.33 ± 1.34 | 72.66 ± 2.04 | 90.23 ± 1.26 | 74.66 ± 1.60 b |
| 8 | 88.90 ± 1.42 | 67.59 ± 2.11 | 87.29 ± 1.60 ** | 67.77 ± 2.04 ** | 86.71 ± 1.31 ** | 70.59 ± 2.44 ** |
| 12 | 84.87 ± 1.49 ** | 71.12 ± 2.48 | 86.15 ± 2.24 ** | 69.62 ± 2.09 | 86.03 ± 1.77 ** | 72.33 ± 2.86 ** |
Data are mean ± standard error of the mean. ** p < 0.05 with respect to values at time 0. a p < 0.01; b p < 0.05 between black maca group and placebo group. In parentheses is the number of subjects starting the study per group of treatment and place of the study.