지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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This study was performed to obtain the good processing in the Rehmanniae Radix Preparata. In this study, we investigated the comparative analysis for steamed and hot-air dried Rehmanniae Radix Preparata. The results were obtained as follows : Through loss on drying analysis with each additional processing of Rehmanniae Radix preparata, there was gradual increase. Through ash analysis with each additional processing of Rehmanniae Radix preparata, there was slight increase. Rehmanniae Radix preparata had several inorganic components such as K, P, Mg, Ca, Cl, Al. P and Mg were increased gradually with each additional processing of Rehmanniae Radix Preparata. But Ca was decreased with each additional processing. We identitied 24 kinds of volatile components from extracts of various processed Rehmanniae Radix Preparata through componential analysis using GC/MS. From GC/MS analysis, we found out the content of 5-HMF Rehmanniae Radix Preparata steamed over 7 times was suitable. 5-HMF"s content of 9 times steamed Rehmanniae Radix Preparata gained from GC/MS analysis is 70-fold higher than gained from HPLC. The more it is repeating steamed and hot-air dried, the more toxic volatile compound of Rehmanniae Radix Preparata is removed. Taken together, these results suggested that Rehmanniae Radix Preparata had component(especially 5-HMF) changes according to different processed steaming and hot-air drying.
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UCI(KEPA) : I410-ECN-0101-2015-510-001213889