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Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality.

Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality.

Tuesday, October 30th 2012

Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality.  Howatson G, Bell PG, Tallent J, Middleton B, McHugh MP, Ellis J.
Source

School of Life Sciences, Northumbria University, Northumberland Building, Newcastle upon Tyne, NE1 8ST, UK, glyn.howatson@northumbria.ac.uk.

Abstract

BACKGROUND:
Tart Montmorency cherries have been reported to contain high levels of phytochemicals including melatonin, a molecule critical in regulating the sleep-wake cycle in humans.

PURPOSE:
The aim of our investigation was to ascertain whether ingestion of a tart cherry juice concentrate would increase the urinary melatonin levels in healthy adults and improve sleep quality.

METHODS:

In a randomised, double-blind, placebo-controlled, crossover design, 20 volunteers consumed either a placebo or tart cherry juice concentrate for 7 days. Measures of sleep quality recorded by actigraphy and subjective sleep questionnaires were completed. Sequential urine samples over 48 h were collected and urinary 6-sulfatoxymelatonin (major metabolite of melatonin) determined; cosinor analysis was used to determine melatonin circadian rhythm (mesor, acrophase and amplitude). In addition, total urinary melatonin content was determined over the sampled period. Trial differences were determined using a repeated measures ANOVA.

RESULTS:

Total melatonin content was significantly elevated (P < 0.05) in the cherry juice group, whilst no differences were shown between baseline and placebo trials. There were significant increases in time in bed, total sleep time and sleep efficiency total (P < 0.05) with cherry juice supplementation. Although there was no difference in timing of the melatonin circardian rhythm, there was a trend to a higher mesor and amplitude.

CONCLUSIONS:
These data suggest that consumption of a tart cherry juice concentrate provides an increase in exogenous melatonin that is beneficial in improving sleep duration and quality in healthy men and women and might be of benefit in managing disturbed sleep.

Sourced from Pubmed 2011 Oct 30. PMID: 22038497 [PubMed - as supplied by publisher] 

 Footnote from Ideal Health:

The following products are all useful for increasing Melatonin and helping with a restful sleep:

Sleep Support Tart Cherry Concentrate 1 litre
Sleep Support Tart Cherry Sachets
Childs Sleep Support Tart Cherry
5-HTP Mood Care 60's
Avena Comp. Relaxing Drops
Calmunurse
Tart Cherry Sleep
L-Theanine (Suntheanine)
Mineral Power
Rescue Sleep Spray
Sleep Enhance
Valerian Root Capsules
Superior Magnesium

Related health information can be found here:

Circulatory Problems
Depressed, anxious or unable to sleep? You could be low in the brain chemical serotonin
Feeling depressed, anxious or irritable? Beat the blues with St John's Wort
Insomnia
Magnesium
Mineral Power
Nerves
Pain
Rheumatism
Stress

Related articles can be found here:

Calming with Chamomile
Minerals: Critical for Well-Being
Mood, Sleep, Serotonin and 5-HTP
Relieve Stress Naturally
The Mood Food Connection

If you need help or advice, you are welcome to email our naturopathic team with your health question.

Disclaimer: The health information presented here has been written for the New Zealand health consumer. It is of a general nature and is only intended to provide a summary of the subjects covered. The information is not intended to be comprehensive or to provide medical advice to you. While all care has been taken to ensure the accuracy of the information, no responsibility or liability is accepted, and no person should act in reliance on any statement contained in the information provided. All health ailments should be treated by a qualified health professional.

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