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KMID : 0613819990090050612
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Journal of Life Science
1999 Volume.9 No. 5 p.612 ~ p.619
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Effects of Rose Fruit Extract Drinks on Sociopsychological Stress
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Abstract
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The effects of anti-stress rose fruit (ASRF) extract drink (ASRF-0.1% and ASRF-0.5% concentrations) were tested for the anti-stress action. ICR male mice (20±2 g) were fed with basic experimental diets and given free access to water containing these ingredients for 18 days. Psychological stress/sociopsychological stress exposed by foot-shock for 1 hour for 3 days. Both ASRF-0.1 and ASRF-0.5 groups in the sociopsychological stress resulted in a significant decrease of 24.3% and 38.0% in plasma corticosterone (CS) secretion compared with psychological stress (control group). Noradrenaline (NA) secretion in the brain were significantly increased 35.9% in ASRF-0.5 group, but NA secretion in ASRF-0.1 group could not be obtained significant result compared with control group. MHPG-SO4 (3-Methoxy-4-hydroxy-phenylethy leneglycol sulfate) levels in the brain resulted in a marked decreases of 16.5% and 18.9% respectively in ASRF-0.1 and ASRF-0.5 groups. NA/MHPG-SO4 ratios in the brain of ASRF-0.1 and ASRF-0.5 groups resulted in a significantly increase of 16.5% and 67.0%, respectively, compared with control group. These results suggest that anti-stress rose fruit (ASRF) drink also can effectively ridded the sociopsychological stress.
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