AIM:研究发现红茶能够降低血压

2012-02-06 MedSci MedSci原创

红茶,图片来自维基共享资源。 血压测量由两个数字组成。第一个是收缩压,它是测量当心脏跳动或者说收缩推动血液在全身流动时的血压。第二个是舒张压,它测量心脏跳动间隔休息时的血压。 来自西澳大利亚大学和联合利华公司的科学家在世界上首次发现红茶(black tea)降低收缩压(systolic blood pressure)和舒张压(diastolic blood pressure)。他们的研究结


红茶,图片来自维基共享资源。

血压测量由两个数字组成。第一个是收缩压,它是测量当心脏跳动或者说收缩推动血液在全身流动时的血压。第二个是舒张压,它测量心脏跳动间隔休息时的血压。

来自西澳大利亚大学和联合利华公司的科学家在世界上首次发现红茶(black tea)降低收缩压(systolic blood pressure)和舒张压(diastolic blood pressure)。他们的研究结果于2012年1月23日发表在Archives of Internal Medicine期刊上。

西澳大利亚大学医学和药学院教授Jonathan Hodgson也是这篇研究论文的第一作者。他说,高血压能够显著性地增加人们患上心脏病的风险。

他说,“已有大量证据表明喝茶有益于人们的心脏健康,但是这是一项重要的发现,因为它证实茶和心脏病的一种主要风险因子存在关联。”

在这项研究中,研究人员招募95名年龄在35到75岁之间的澳大利亚参与者,让他们喝3杯红茶或者具有同样味道和咖啡因含量但又不是来自茶中的安慰剂。

6个月之后,研究人员发现与安慰剂相比,喝红茶的参与者24小时收缩压和舒张压降低2-3mmHg。

Hodgson教授说,尽管早期研究报道了喝茶和人们血管健康改善存在关联,但是人们仍需要更多研究以便更好地理解茶如何可能降低血压。

茶是世界上排在水之后的第二大消费饮料。(生物谷:towersimper编译)

Effects of Black Tea on Blood Pressure: A Randomized Controlled Trial

Jonathan M. Hodgson, PhD; Ian B. Puddey, MD; Richard J. Woodman, PhD; Theo P. J. Mulder, PhD; Dagmar Fuchs, PhD; Kirsty Scott, BSc; Kevin D. Croft, PhD

Effects of Black Tea on Blood Pressure: A Randomized...effects of regular consumption of black tea on BP remain unclear. Our objective was to assess the effects of regular black tea consumption (3 cups/d) for 6 months.

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    2012-02-08 hbwxf