Tryptophan-enriched cereal intake in elderly humans
Home of Kyle J. Norton for The Better of Living & Living Health Melatonin, also known as N-acetyl-5-methoxytryptamine, a hormone secreted by the pineal gland in the brain with functions of regulating sleep cycles, other hormones, timing in secretion of female hormones that affect the menstrual cycle, etc. The levels of the circulating hormone vary in a daily cycle, depending to the circadian rhythm is an internal 24-hour “clock”.
Tryptophan-enriched cereal intake in elderly humans
In the study to analyze whether the consumption of cereals enriched with tryptophan, the precursor of both serotonin and melatonin, may help in the reconsolidation of the sleep/wake cycle and counteract depression and anxiety in 35 middle-aged/elderly (aged 55-75 year) volunteers in a simple blind assay, showed that the consumption of cereals containing the higher dose in tryptophan increased sleep efficiency, actual sleep time, immobile time, and decreased total nocturnal activity, sleep fragmentation index, and sleep latency. Urinary 6-sulfatoxymelatonin, 5-hydroxyindoleacetic acid levels, and urinary total antioxidant capacity also increased respectively after tryptophan-enriched cereal ingestion as well as improving anxiety and depression symptoms. Cereals enriched with tryptophan may be useful as a chrononutrition tool for alterations in the sleep/wake cycle due to age(10).
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(10) http://www.ncbi.nlm.nih.gov/pubmed/22622709
http://medicaladvisorjournals.blogspot.com
2012-11-23 12:20:22
Source: http://medicaladvisorjournals.blogspot.com/2012/11/tryptophan-enriched-cereal-intake-in.html
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