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J Nutr Sci Vitaminol (Tokyo). 2015;61(1):79-83. doi: 10.3177/jnsv.61.79.

Kaempferia parviflora extract increases whole-body energy expenditure in humans: roles of brown adipose tissue.

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1
Department of Nutrition, School of Nursing and Nutrition, Tenshi College.

Abstract

Kaempferia parviflora extract (KP) has been reported to have a preventive effect on obesity in mice, probably by increasing energy expenditure (EE). The aims of the current study were to examine the acute effects of KP ingestion on whole-body EE in humans and to analyze its relation to the activity of brown adipose tissue (BAT), a site of non-shivering thermogenesis. After an oral ingestion of an ethanol extract of KP, EE increased significantly, showing a maximal increase of 229±69 kJ/d at 60 min, while it did not change after placebo ingestion. To evaluate BAT activity, the subjects underwent fluorodeoxyglucose-positron emission tomography, and divided into two groups with high- and low-BAT activities. A similar and greater response of EE to KP ingestion was observed in the high-BAT group (351±50 kJ/d at 60 min), but not in the low activity group. Placebo ingestion did not cause any significant EE change in either group. These results indicate that a single oral ingestion of the KP extract can potentially increase whole-body EE probably through the activation of BAT in healthy men, and may be useful as an anti-obesity regimen.

PMID:
25994142
DOI:
10.3177/jnsv.61.79
[Indexed for MEDLINE]
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