Effects of milk phospholipid on memory and psychological stress response
Identifieur interne : 000C45 ( Main/Exploration ); précédent : 000C44; suivant : 000C46Effects of milk phospholipid on memory and psychological stress response
Auteurs : Juliane Hellhammer [Allemagne] ; Alireza Waladkhani [Allemagne] ; Torsten Hero [Allemagne] ; Claudia Buss [Allemagne]Source :
- British Food Journal [ 0007-070X ] ; 2010-09-28.
Abstract
Purpose Phosphatidylserine PS extracted from both bovine cortex and soya beans has been previously reported to positively affect cognitive functioning, mood, and the capacity to cope with stress. The present paper aims to investigate whether the daily intake of phospholipid concentrate PL rich in phosphatidylserine PS and sphingomyelin SM has similar beneficial effects on working memory, allostastic load and the acute stress response. Designmethodologyapproach A total of 46 healthy men average 41.5 years received either placebo or 13.5g per day PL over a threeweek period. On the 21st day of PL intake, subjects' working memory performance and their psychological and endocrine responses to the Trier Social Stress Test TSST were tested. Findings Compared to placeboexposed individuals, there was a tendency for shorter reaction times in the working memory task, suggesting better performance in PLtreated subjects. The two treatment groups did not significantly differ in their endocrine stress response. However, PLtreated subjects with a higher stress load showed a blunted psychological stress response. Practical implications Results of the present study show beneficial effects of PL intake on cognitive performance. Under acute stress, benefits of PL may only be visible in chronically stressed subjects. Originalityvalue This paper provides new information for practitioners, academics and food supplement industries interested in possible beneficial effects of a milk phospholipid product on memory and mental stress.
Url:
DOI: 10.1108/00070701011080258
Affiliations:
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The present paper aims to investigate whether the daily intake of phospholipid concentrate PL rich in phosphatidylserine PS and sphingomyelin SM has similar beneficial effects on working memory, allostastic load and the acute stress response. Designmethodologyapproach A total of 46 healthy men average 41.5 years received either placebo or 13.5g per day PL over a threeweek period. On the 21st day of PL intake, subjects' working memory performance and their psychological and endocrine responses to the Trier Social Stress Test TSST were tested. Findings Compared to placeboexposed individuals, there was a tendency for shorter reaction times in the working memory task, suggesting better performance in PLtreated subjects. The two treatment groups did not significantly differ in their endocrine stress response. However, PLtreated subjects with a higher stress load showed a blunted psychological stress response. Practical implications Results of the present study show beneficial effects of PL intake on cognitive performance. Under acute stress, benefits of PL may only be visible in chronically stressed subjects. Originalityvalue This paper provides new information for practitioners, academics and food supplement industries interested in possible beneficial effects of a milk phospholipid product on memory and mental stress.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Rhénanie-Palatinat</li></region><settlement><li>Trèves (Allemagne)</li></settlement><orgName><li>Université de Trèves</li></orgName></list><tree><country name="Allemagne"><noRegion><name sortKey="Hellhammer, Juliane" sort="Hellhammer, Juliane" uniqKey="Hellhammer J" first="Juliane" last="Hellhammer">Juliane Hellhammer</name></noRegion><name sortKey="Buss, Claudia" sort="Buss, Claudia" uniqKey="Buss C" first="Claudia" last="Buss">Claudia Buss</name><name sortKey="Hero, Torsten" sort="Hero, Torsten" uniqKey="Hero T" first="Torsten" last="Hero">Torsten Hero</name><name sortKey="Waladkhani, Alireza" sort="Waladkhani, Alireza" uniqKey="Waladkhani A" first="Alireza" last="Waladkhani">Alireza Waladkhani</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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