The effect of blueberry interventions on cognitive performance and mood: A systematic review of randomized controlled trials
Travica N, D'Cunha NM, Naumovski N, Kent K, Mellor DD, Firth J, Georgousopoulou EN, Dean OM, Loughman A, Jacka F, Marx W
Brain, behavior, and immunity · 79 citas
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Cómo se estudió
- Diseño
- Revisión sistemática (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
- Consumo medido con
- No se indica
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2019-04-15 · Brain Behav Immun · vol. 85 · págs. 96–105
- Editorial
- Elsevier BV
- Citado
- 120 citas · más que el 95% de estudios similares · 3.3× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 64 trabajos
- Acceso
- Acceso abierto (copia en repositorio) · OTHER-OA
- Áreas de investigación
- Phytochemicals and Antioxidant Activities · Medicinal Plants and Neuroprotection · Nutritional Studies and Diet
- Palabras clave
- blueberry, cognitive performance, mood, polyphenols, anthocyanins, memory, spatial memory, cognitive impairment, older adults, children, dietary supplementation, positive affect
- MeSH
- humans, affect, cognition, aged, aged, 80 and over, child, randomized controlled trials as topic, young adult, blueberry plants, cognitive dysfunction
11 autores
- Nikolaj Travica🇦🇺Swinburne University of Technology
- Nathan Martin D'Cunha🇦🇺University of Canberra
- Nenad Naumovski🇦🇺University of Canberra
- Katherine Kent🇦🇺University of Tasmania
- Duane Daniel Mellor
- Joseph Firth🇬🇧🇦🇺University of Manchester; Western Sydney University
- Ekavi N. Georgousopoulou🇦🇺Australian National University; University of Canberra
- Olivia May Dean🇦🇺The Royal Melbourne Hospital; Barwon Health; Deakin University; The University of Melbourne; Florey Institute of Neuroscience and Mental Health
- Amy Loughman🇦🇺Barwon Health; Deakin University
- Felice N. Jacka🇦🇺Barwon Health; Deakin University
- Wolfgang Marx🇦🇺 · autor de correspondenciaBarwon Health; Deakin University
Resumen
El texto original del estudio, en el idioma en que se publicó.
Blueberries are rich in polyphenols that may be beneficial to cognitive performance and mood. The aim of this systematic review was to evaluate randomized controlled trials investigating the effects of blueberries and blueberry products on measures of cognition and mood. In total, eleven articles (that included 12 studies) were identified using freeze-dried blueberries (n = 9 studies), whole blueberries (n = 2) and blueberry concentrate (n = 1). These studies were conducted in children (n = 5), young adults (n = 1), and older people with either no known cognitive impairment (n = 4) or indicated cognitive impairment (n = 2). Eight studies reported blueberry consumption or supplementation at various doses and time lengths to improve measures of cognitive performance, particularly short- and long-term memory and spatial memory. For mood, one study reported significant between-group improvements in positive affect from blueberry products, whereas four studies reported no improvement. Low risk of bias were observed across all studies. Based on the current evidence, blueberries may improve some measures of cognitive performance. However, considerable differences in study design, dosages, and anthocyanin content hinder between-study comparison. The use of standardized blueberry interventions, consideration of placebo formulations, and consistently reported cognitive performance tools are recommended in future trials. PROSPERO registration no. CRD42018100888.
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