期刊
BRITISH JOURNAL OF NUTRITION
卷 117, 期 7, 页码 942-950出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007114517000836
关键词
Blood pressure; Hydrolysates; Human interventions
资金
- SME Newtricious, Oirlo, Netherlands
Angiotensin-converting enzyme (ACE) inhibitors are important agents in blood pressure (BP) management. It was recently shown that the egg-protein hydrolysate NWT-03 inhibited ACE in Zucker diabetic fatty rats. We therefore designed a dose-finding study to assess the effects of 1, 2 and 5 g NWT-03 on daytime, 36-h, and night-time systolic and diastolic BP (SBP and DBP) in ninety-two generally healthy subjects with normal BP (n 29), high-normal BP (n 34) or mild hypertension (n 29). The study had a cross-over design with six treatment arms (1 g NWT-03 or placebo in period 1 and placebo or 1 g NWT-03 in period 2, 2 g NTW-03 or placebo in period 1 and placebo or 2 g NWT-03 in period 2, or 5 g NTW-03 or placebo in period 1 and placebo or 5 g NTW-03 in period 2). A comparable number of subjects from each BP class were included in each study arm. Duration of both treatments in each arm was 7 d, separated by 5-d wash-out periods. BP was measured with an ambulatory BP monitor before and after the treatments. In mild-hypertensive subjects, 2 g NWT-03 significantly decreased daytime SBP (7.9 mmHg; P = 0.006), daytime DBP (4.2 mmHg; P = 0.009), 36-h SBP (6.9 mmHg; P = 0.015) and 36-h DBP (3.5 mmHg; P = 0.035) compared with placebo subjects. In addition, in mild-hypertensive subjects, 5 g NWT-03 significantly decreased night-time SBP (14.8 mmHg; P = 0.008) and night-time DBP (8.4 mmHg; P = 0.020) compared with that in placebo subjects. To conclude, we found that 2 g NWT-03 lowered daytime and 36-h BP in subjects with mild hypertension, and 5 g NWT-03 lowered night-time BP in subjects with mild hypertension. As no dose-response relationship was evident, these results should be interpreted with care, and additional studies are needed.
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