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The root of Polygala tenuifolia Willdenow has been used for the treatment against insomnia, amnesia, depression, palpitations with anxiety, and memory improvement. However, there is no sufficient background information on toxicological evaluation of the root to given an assurance of safety for developing dietary supplements and functional foods. As part of(More)
Objective: The goal of this study was to research for an effective fraction on memory improvement of Korean red ginseng. Methods: In this study, 80 % ethanol red ginseng extract (RE) was divided into inner fluid (REUI) and outer fluid (REUO) by the ultrafiltration and then REUO was further separated into four fractions namely, REUO-00, REUO-30, REUO-50 and(More)
The root of Polygala tenuifolia Willdenow has been used for the treatment of insomnia, depression, and amnesia. However, the toxicological properties of the herb have been overlooked, because it has been used for a long time for various purposes. In this study, we evaluated the preclinical safety of the root extract in rats and beagle dogs. First, the acute(More)
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