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KMID : 0352720100340030183
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Journal of Ginseng Research
2010 Volume.34 No. 3 p.183 ~ p.191
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Effects of Korean Red Ginseng on Dry Mouth : A Randomized, Double-Blind, Placebo-Controlled Trial
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Park Jae-Woo
Lee Beom-Jun
Bu Young-Min
Yeo In-Kwon
Kim Jin-Sung
Ryu Bong-Ha
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Abstract
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Dry mouth is easily neglected if not associated with oral diseases. Consequently, xerostomatic patients often use unconventional therapies. In traditional Korean medicine, Korean red ginseng (KRG) has long been used to relieve dry mouth. However, no clinical trials have investigated whether KRG actually has an effect on dry mouth. This study was performed to evaluate the efficacy of KRG for dry mouth. We enrolled 100 volunteers with no obvious oral or salivary gland diseases and divided them into KRG and placebo groups. Each group was divided into six subgroups according to age and gender. The subjects received 6 g/day of KRG or placebo for 8 weeks. The dry mouth visual analog scale (VAS), salivary flow rate, and a dry mouth-related symptom questionnaire were evaluated at baseline and at 4 and 8 weeks. KRG treatment did not show any significant differences for any of the variables. However, KRG improved the dry mouth VAS at 4 weeks and dry mouthrelated symptoms at 8 weeks in women, but not in men. Subgroup analyses revealed that KRG markedly improved the dry mouth VAS in women of menopausal age (40 to 59 years) at 4 and 8 weeks. KRG may have beneficial effects for dry mouth in women, especially those of menopausal age, but not in men. Further investigation in post- and perimenopausal women is required to elaborate on these findings.
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KEYWORD
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Dry mouth, Korean red ginseng, Traditional Korean medicine, Salivary flow rate, Pain measurement
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