Table 3 |
||||||
| Systolic blood pressure, diastolic blood pressure and pulse pressure of subjects during the active and passive periods in the 24-h following ingestion of beetroot juice and placebo juice1 | ||||||
| Mean value over 24-h1 | ||||||
| All subjects (n=30) | Male (n=15) | Female (n=15) | ||||
| Measurement | Placebo | Beetroot | Placebo | Beetroot | Placebo | Beetroot |
| Active period (awake) | ||||||
| SBP (mmHg) | 128.3 ± 1.9 | 126.6 ± 1.5 | 129.6 ± 3.1 | 128.7 ± 2.3 | 127.0 ± 2.3 | 124.6 ± 1.8 |
| DBP (mmHg) | 77.8 ± 1.7 | 77.6 ± 1.3 | 77.1 ± 2.5 | 77.5 ± 2.0 | 78.4 ± 2.3 | 77.9 ± 1.8 |
| Pulse pressure (mmHg)2 | 50.6 ± 1.3a | 49.1 ± 1.3b | 52.5 ± 2.1 | 51.2 ± 2.0 | 48.7 ± 1.6 | 46.9 ± 1.4 |
| Passive period (asleep) | ||||||
| SBP (mmHg) | 111.0 ± 2.2 | 113.3 ± 2.0 | 111.6 ± 2.6 | 117.0 ± 2.9 | 110.5 ± 3.5 | 109.5 ± 2.4 |
| DBP (mmHg) | 62.8 ± 1.3 | 65.4 ± 1.3 | 62.1 ± 2.1 | 65.9 ± 1.9 | 63.5 ± 1.6 | 65.0 ± 1.8 |
| Pulse pressure (mmHg)2 | 48.2 ± 1.5 | 47.8 ± 1.4 | 49.5 ± 1.8 | 51.2 ± 1.9 | 47.0 ± 2.4 | 44.5 ± 1.5 |
1 Values are means ± SEM. Values with different superscript letters indicate that differences between beetroot juice and placebo are significant, P < 0.05.
2 Pulse pressure refers to SBP minus DBP.
DBP, diastolic blood pressure; SBP, systolic blood pressure.
Coles and Clifton Nutrition Journal 2012 11:106 doi:10.1186/1475-2891-11-106