上了年纪请喝蓝莓汁:改善大脑功能

2017-03-08 小免疫 来宝网

【蓝莓汁改善老年人的大脑功能】根据埃克塞特大学(University of Exeter)的研究,饮用浓缩的蓝莓汁可以改善老年人的大脑功能。在研究中,65-77岁的健康老人每天饮用浓缩的蓝莓汁,在进行认知测试时显示出认知功能、脑部血流量和大脑激活的改善。还有证据表明工作记忆力的改善。蓝莓富含黄酮类化合物,具有抗氧化和抗炎的特性。埃克塞特大学运动与健康科学系主任Joanna Bowtell博士说:“


【蓝莓汁改善老年人的大脑功能】

根据埃克塞特大学(University of Exeter)的研究,饮用浓缩的蓝莓汁可以改善老年人的大脑功能。

在研究中,65-77岁的健康老人每天饮用浓缩的蓝莓汁,在进行认知测试时显示出认知功能、脑部血流量和大脑激活的改善。

还有证据表明工作记忆力的改善。

蓝莓富含黄酮类化合物,具有抗氧化和抗炎的特性。

埃克塞特大学运动与健康科学系主任Joanna Bowtell博士说:“我们的认知功能往往随着年龄的增长而下降,但以前的研究表明,认知功能在健康的摄入植物性食品的老年人中保持得更好。

“在这项研究中,我们已经表明,每天只服用30毫升浓缩的蓝莓汁,只用12个星期,这组健康的老年人的脑部血流量,脑激活和工作记忆的一些方面就改善了。

在研究中的26个健康成人中,12个摄入浓缩的蓝莓汁——相当于每天一次提供相当于230g的蓝莓,而14个摄入安慰剂。

在开始之前以及12周之后,参与者进行一系列认知测试,并用MRI扫描器监测其脑功能并测量静息脑血流量。

与安慰剂组相比,服用蓝莓浓缩液的那些人显示脑活动的显着增加。

该研究排除了那些每天消耗超过五份水果和蔬菜的人,所有参与者被要求要坚持他们的正常饮食。

以前的研究表明,痴呆风险由于更高的水果和蔬菜摄入量而减少,并且在有丰富植物性食物摄入的健康老年人中认知功能保存得更好。

植物中丰富的类黄酮可能是引起这些效应的重要成分。

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1903579, encodeId=caba19035e9a8, content=<a href='/topic/show?id=d386438e55a' target=_blank style='color:#2F92EE;'>#大脑功能#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43875, encryptionId=d386438e55a, topicName=大脑功能)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Fri Aug 18 19:33:00 CST 2017, time=2017-08-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=179547, encodeId=cf0f1e9547d4, content=看来以后得多喝蓝莓汁了, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/05/11/ce1bc4920c50e96957ffb024a4bf7ef9.jpeg, createdBy=a03b2011554, createdName=lanqier2013, createdTime=Mon Mar 13 10:54:51 CST 2017, time=2017-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=179459, encodeId=5fca1e94592d, content=真有这作用吗?, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLC1BMzZWdMSPQWuib6BtQGicK8ygGBM6YakpfkRc67soFSuKbZr86enL1KggQZEZbgWSeicJibafmYfQ3AibicIHMwwicmDShfRFvvI38/0, createdBy=272a110164, createdName=laoli, createdTime=Mon Mar 13 03:32:50 CST 2017, time=2017-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=179398, encodeId=9ced1e939882, content=还有证据表明工作记忆力的改善。太好了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM6DGOvNrRdcib3UmzMgpEQplCaQGBmjHytXQqvsuocO2uV2lOAaJibzDafJudKToVfU12LzwArHDb4TSrmU2hk5Qxzc6icoicBK3Dg/0, createdBy=a7901968505, createdName=明心见性, createdTime=Sun Mar 12 18:17:02 CST 2017, time=2017-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1442418, encodeId=7f6c144241886, content=<a href='/topic/show?id=dfae84e3003' target=_blank style='color:#2F92EE;'>#脑功能#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=84730, encryptionId=dfae84e3003, topicName=脑功能)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=00224929300, createdName=ms1467340776200723, createdTime=Fri Mar 10 01:33:00 CST 2017, time=2017-03-10, status=1, ipAttribution=)]
    2017-03-13 lanqier2013

    看来以后得多喝蓝莓汁了

    0

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    2017-03-13 laoli

    真有这作用吗?

    0

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    2017-03-12 明心见性

    还有证据表明工作记忆力的改善。太好了!

    0

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