Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 442255
Title Literature review on the role of dietary protein and amino acids in cognitive functioning and cognitive decline
Author(s) Rest, O. van de; Zwaluw, N.L. van der; Groot, C.P.G.M. de
Source Amino Acids 45 (2013)5. - ISSN 0939-4451 - p. 1035 - 1045.
Department(s) VLAG
Chair Nutrition and Health over the Lifecourse
Human Nutrition (HNE)
Publication type Refereed Article in a scientific journal
Publication year 2013
Keyword(s) alpha-lactalbumin increases - nutritional-status - working-memory - l-tryptophan - alzheimers-disease - plasma tryptophan - elderly-people - sleep-deprivation - motor-performance - carbohydrate-rich
Abstract As the population of elderly people is growing rapidly, the number of individuals with dementia and cognitive impairment is also increasing. One of the preventive measures against cognitive decline is diet and different dietary factors have already been investigated. This review provides an overview of studies on dietary protein and cognitive functioning and cognitive decline. Also studies on the individual amino acids that are related to brain function, tryptophan and tyrosine, are discussed. Overall, the role of dietary protein intake on cognitive functioning as well as cognitive decline has hardly been studied; we found eight observational studies and three intervention studies. More studies investigated the role of tryptophan (14 studies) and tyrosine (nine studies) in relation to cognitive functioning, but all these studies were performed in young adult populations and mostly under special conditions. Research in elderly populations, in particular, is warranted. Also more research is needed to come to definitive conclusions and specific recommendations regarding protein intake or intake of specific amino acids for maintaining optimal cognitive functioning
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