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    • Blueberries decrease...

    Blueberries decrease systolic blood pressure and improve memory in elderly

    Written by Hina Zahid Published On 2019-07-30T19:25:09+05:30  |  Updated On 30 July 2019 7:25 PM IST
    Blueberries decrease systolic blood pressure and improve memory in elderly

    Various studies have enumerated effects of Blueberries on healthy ageing that include decreasing systolic blood pressure and improving memory in the elderly.


    A collection of new studies in The Journals of Gerontology, Series A: Biological Sciences and Medical Sciences further quantifies how blueberry consumption can contribute to healthy ageing.


    "Since the 1990s, research on the health benefits of blueberries has grown exponentially," wrote guest editor Donald K. Ingram, PhD, FGSA, in an opening editorial. "Studies have documented that this fruit ranks highest in antioxidant activity compared to many other popular fruits. Moreover, other mechanisms for the health benefits of blueberries, such as their anti-inflammatory properties, have been identified."


    Ingram's editorial is followed by four articles in a special section of the journal's Biological Sciences section. One of the studies found that consuming 200 grams of blueberries (about one cup) daily can improve blood vessel function and decrease systolic blood pressure. As a cause, the authors cited anthocyanins, which are phytochemicals that give blueberries their dark colour.


    Daily 1-month wild blueberry consumption increased flow-mediated dilation and lowered 24-hour ambulatory systolic blood pressure. Of the 63 anthocyanin plasma metabolites quantified, 14 and 21 correlated with acute and chronic flow-mediated dilation improvements, respectively. Injection of these metabolites improved flow-mediated dilation in mice. Daily wild blueberry consumption led to differential expression (>1.2-fold) of 608 genes and 3 microRNAs, with Mir-181c showing a 13-fold increase in peripheral blood mononuclear cells.


    Other studies document the cognitive benefits of eating blueberries. One tied the fruit's high polyphenol count to improved performance on memory tests by a group of older adults. Likewise, another journal article provides a review of several clinical studies focusing on benefits of blueberry supplementation -- with a focus on specific memory effects in children as well as older adults with mild cognitive impairment.


    The journal collection also includes a rodent study, which presents data on the improved memory performance of blueberry-supplemented aged rats compared to rats on a control diet.


    The articles presented in this special collection emerged from a symposium titled "Blue versus Gray: Potential Health Benefits of Blueberries for Successful Aging," held at the World Congress of Gerontology and Geriatrics in July 2017.

    blood vesselblueberriesblueberries yieldcognitive impairmentdietDiets richDonald K Ingramendothelial functionHealthy AgingJournals of GerontologymetabolomicsOmicspolyphenolssystolic blood pressureWorld Congress of Gerontology and Geriatrics

    Disclaimer: This site is primarily intended for healthcare professionals. Any content/information on this website does not replace the advice of medical and/or health professionals and should not be construed as medical/diagnostic advice/endorsement or prescription. Use of this site is subject to our terms of use, privacy policy, advertisement policy. © 2020 Minerva Medical Treatment Pvt Ltd

    Hina Zahid
    Hina Zahid
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