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KMID : 1143820090050010008
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Anxiety and Mood
2009 Volume.5 No. 1 p.8 ~ p.13
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The Effects of Saccharomyces Cerevisiae Yeast Extract SCP-20 on Stress Response, Anxiety and Depression : A Double-Blind Placebo-Controlled Trial
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Lee Ha-Min
Jung Young-Eun
Chae Jeong-Ho
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Abstract
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Objective : SCP-20, a yeast hydrolysate from Saccharomyces cerevisiae, has exhibited anti-stress, anti-anxiety, and antidepressant effects in animal studies. The objective of this study was to test the effects of SCP-20 on healthy controls and to assess its effects on stress response, depression and, anxiety.
Methods : Sixty-one healthy volunteers (30 male, 31 female) were recruited and screened for significant psychiatric and medical conditions. Baseline measures of stress, anxiety, and depression were taken using questionnaires such as the Stress Response Inventory (SRI), Beck’s Anxiety Inventory (BAI), Beck’s Depression Inventory (BDI), and the physiological measure of heart rate variability (HRV). Each subject was assigned randomly to a group taking capsules containing either 70% SCP-20 (i.e. the SCP70 group), 99.5% SCP-20 (i.e. the SCP99.5 group), or a placebo. Follow up measures were taken at week 4.
Results : Subjects taking SCP-20 showed significant improvement in SRI and BAI scores compared to those taking placebo. For BDI scores, there was no significant difference between groups. No significant adverse effects were reported.
Conclusions : This study suggests that SCP-20 is effective in alleviating stress and anxiety symptoms in healthy individuals, and has little or no side effects. However, the role of of SCP-20 in alleviating depression needs further clarification. Studiess examining its effects in psychiatric populations are needed to establish its role in alternative medicine.
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KEYWORD
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Yeast hydrolysate, Saccharomyces cerevisaie, SCP-20, Anxiety, Depression
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