期刊
FOOD SCIENCE AND BIOTECHNOLOGY
卷 23, 期 5, 页码 1683-1688出版社
KOREAN SOCIETY FOOD SCIENCE & TECHNOLOGY-KOSFOST
DOI: 10.1007/s10068-014-0229-7
关键词
gamma-aminobutyric acid; tryptophan; melatonin; adenosine receptor; suprachiasmatic nuclei
资金
- Industrialization Support Program for Bio-technology of Agriculture, Ministry for Food, Agriculture, Forestry and Fisheries, Republic of Korea
- Forestry Development Program, Ministry for Food, Agriculture, Forestry and Fisheries, Republic of Korea
gamma-Aminobutyric acid (GABA), a primary inhibitory neurotransmitter, and tryptophan (Trp), a substrate for melatonin, are found in functional foods and exert hypnotic effects. The hypnotic effects of 3 doses of GABA and a combined-preparation of GABA and Trp (GABA+Trp) were investigated in mice. Hypnotic activity was evaluated using pentothal-induced sleep time testing. Treatments included low, middle, and high doses of GABA and GABA+Trp. Low doses of GABA (low-GABA) and low-GABA+Trp reduced sleep latency and significantly (p < 0.05) prolonged the sleep time induced by pentothal, compared with controls, although the melatonin concentration in the serum was not affected. On the other hand, the adenosine A1 receptor (AA1R) immunoreactivity in the suprachiasmatic nucleus of the hypothalamus was significantly (p < 0.05) increased after administration of low-GABA and/or low-GABA+Trp, compared to controls. Low doses of GABA and/or Trp cause hypnotic effects that may be related to AA1R activation.
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