study of substance changes in flowers ofpueraria thunbergiana benth. during storage |
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Authors: | Kim Chungsook Shin Sunmi Ha Hyekyung Kim Jong Moon |
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Affiliation: | Drug Research and Development Team, Korea Institute of Oriental Medicine, 129-11 Chungdam-dong, Kangnam-ku, Seoul 135-100, Korea. cskim@kiom.re.kr |
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Abstract: | Puerariae Flos is a traditional herbal medicine that has long been used as a treatment for colds, diabetes, and hangovers. The herbal medicine contains a wide variety of isoflavones such as kakkalide, tectoridin, and tectorigenin. This study demonstrates that the substances undergo a certain degree of change depending on the storage period by the method of HPLC and 13C-NMR, and that the HPLC analysis can be used to determine the freshness of Puerariae Flos. |
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Keywords: | Puerariae Flos Isoflavones Substance change |
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