Cassidy Aedín, Bertoia Monica, Chiuve Stephanie, Flint Alan, Forman John, Rimm Eric B
Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom;
Departments of Nutrition and Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA.
Am J Clin Nutr. 2016 Sep;104(3):587-94. doi: 10.3945/ajcn.116.133132. Epub 2016 Aug 3.
Although increased fruit intake reduces cardiovascular disease (CVD) risk, which fruits are most beneficial and what key constituents are responsible are unclear. Habitual intakes of flavonoids, specifically anthocyanins and flavanones, in which >90% of habitual intake is derived from fruit, are associated with decreased CVD risk in women, but associations in men are largely unknown.
We examined the relation between habitual anthocyanin and flavanone intake and coronary artery disease and stroke in the Health Professionals Follow-Up Study.
We followed 43,880 healthy men who had no prior diagnosed CVD or cancer. Flavonoid intake was calculated with the use of validated food-frequency questionnaires.
During 24 y of follow-up, 4046 myocardial infarction (MI) and 1572 stroke cases were confirmed by medical records. Although higher anthocyanin intake was not associated with total or fatal MI risk, after multivariate adjustment an inverse association with nonfatal MI was observed (HR: 0.87; 95% CI: 0.75, 1.00; P = 0.04; P-trend = 0.098); this association was stronger in normotensive participants (HR: 0.81; 95% CI: 0.69, 0.96; P-interaction = 0.03). Anthocyanin intake was not associated with stroke risk. Although flavanone intake was not associated with MI or total stroke risk, higher intake was associated with a lower risk of ischemic stroke (HR: 0.78; 95% CI: 0.62, 0.97; P = 0.03, P-trend = 0.059), with the greatest magnitude in participants aged ≥65 y (P-interaction = 0.04).
Higher intakes of fruit-based flavonoids were associated with a lower risk of nonfatal MI and ischemic stroke in men. Mechanistic studies and clinical trials are needed to unravel the differential benefits of anthocyanin- and flavanone-rich foods on cardiovascular health.
尽管增加水果摄入量可降低心血管疾病(CVD)风险,但哪种水果最为有益以及关键成分是什么尚不清楚。黄酮类化合物,特别是花青素和黄烷酮的习惯性摄入量中超过90%来自水果,其与女性CVD风险降低相关,但在男性中的关联情况大多未知。
在健康专业人员随访研究中,我们研究了习惯性花青素和黄烷酮摄入量与冠状动脉疾病和中风之间的关系。
我们对43880名未曾被诊断患有CVD或癌症的健康男性进行了随访。使用经过验证的食物频率问卷计算黄酮类化合物摄入量。
在24年的随访期间,医疗记录证实了4046例心肌梗死(MI)和1572例中风病例。尽管较高的花青素摄入量与总MI或致命MI风险无关,但在多变量调整后,观察到与非致命MI呈负相关(HR:0.87;95%CI:0.75,1.00;P = 0.04;P趋势 = 0.098);这种关联在血压正常的参与者中更强(HR:0.81;95%CI:0.69,0.96;P交互作用 = 0.03)。花青素摄入量与中风风险无关。尽管黄烷酮摄入量与MI或总中风风险无关,但较高的摄入量与较低的缺血性中风风险相关(HR:0.78;95%CI:0.62,0.97;P = 0.03,P趋势 = 0.059),在年龄≥65岁的参与者中幅度最大(P交互作用 = 0.04)。
男性中较高的基于水果的黄酮类化合物摄入量与较低的非致命MI和缺血性中风风险相关。需要进行机制研究和临床试验来阐明富含花青素和黄烷酮的食物对心血管健康的不同益处。