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Effect of New Zealand Blackcurrant on Blood Pressure, Cognitive Function and Functional Performance in Older Adults.

Cook, Matthew ORCID: https://orcid.org/0000-0002-6293-7566, Sandhu, A. and Joyce, Jennifer (2020) Effect of New Zealand Blackcurrant on Blood Pressure, Cognitive Function and Functional Performance in Older Adults. Journal of Nutrition in Gerontology and Geriatrics. ISSN Print: 2155-1197 Online: 2155-1200 (In Press)

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Abstract

New Zealand blackcurrant (NZBC) can increase exercise performance in young adults, potentially by anthocyanin-induced cardiovascular function alterations and increased blood flow, however effects upon blood pressure, functional exercise performance and cognitive function in older adults is unknown. In a randomised, double-blind, placebo-controlled, cross-over design, 14 older adults (age: 69±4 years, height: 172±9 cm, body mass: 85±12) ingested NZBC extract (600 mg·day-1 CurraNZ™) or placebo (PL, 600 mg microcrystalline cellulose) for 7-days (7-day washout between conditions). On day-7, 2-hours following consumption of the capsules, resting blood pressure, cognitive function (Cambridge neuropsychological test automated battery) and 6-minute walk test performance and were measured. Intake of NZBC caused a decrease (P<0.05) in systolic (PL: 136±14; NZBC: 130±12 mmHg) and diastolic (PL: 84±11; NZBC 78±6 mmHg) blood pressure. There was no effect on 6-minute walk performance or cognitive function variables. Future research should address optimisation of intake and examine cardiovascular responses during exercise.

Item Type: Article
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Uncontrolled Keywords: New Zealand blackcurrant, anthocyanins, cognitive function, functional performance, older adults
Subjects: Q Science > QP Physiology
Divisions: College of Business, Psychology and Sport > School of Sport and Exercise Science
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Depositing User: Matthew Cook
Date Deposited: 17 Dec 2019 11:25
Last Modified: 14 Jan 2020 16:11
URI: https://eprints.worc.ac.uk/id/eprint/8996

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