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류광열(Kwang Youl Ryu),강원식(Won Seek Kang),김영호(Young Ho Kim),장해동(Hae Dong Jang),홍진태(Jin Tae Hong),유환수(Hwan Soo Yoo),윤여표(Yeo Pyo Yun) 대한약학회 1998 약학회지 Vol.42 No.3
Ihe purpose of this study was to determine the antioxidative effects of Rhodiola sachalinensis. Rhodiola methanol extract was fractionated sequentially with dichloromethane and butanol. Each Rhodiola fraction (water, MeOH, BuOH and CH2Cl2 fractions) showed the potent superoxide dismutase (SOD) activity, and had inhibitory effects on peroxide value of linoleic acid (40-57%) and lipid peroxidation (47-70%). In Fe2+/ascorbate system-induced rat liver microsome. Rhodiola methanol extract also recovered carbon tetrachloride-induced decrease in SOD by 42% and catalase activities by 50%, and had inhibitory effects (54%) on carbon tetrachloride-induced lipid peroxidation in rat liver microsome. These results suggest that Rhodiola sachalinensis has the antioxidative effects.
PCB ( Aroclor 1254 ) 가 한국산 담수어류에 (淡水魚類) 미치는 영향
윤여표,이성규,김용화,강원식,지연태,이세창 ( Yeo Pyo Yun,Sung Kyu Lee,Yong Hwa Kim,Won Seek Kang,Youn Tae Chi,Se Chang Lee ) 한국하천호수학회 1994 생태와 환경 Vol.27 No.3
The purpose of this study was to elucidate the adverse effects of Aroclor 1254 on domestic freshwater fish. The acute toxicity in terms of LC_(50)(mg/L) in 96 hours was evaluated for the freshwater fish, Oryzias latipes, Cyprinus carpio and Misgurnus anguillicaudatus. 96-hr LC_(50) values(that concentration kills half of the firth in 96 hours) were 0.053mg/L for newly hatched Oryzias latipes but above 200mg/L for adult Oryzias latipes. Concentrations of Aroclor 1254 above 100mg/L were not lethal to Misgurnus anguillicaudatus but half of Cyprinus carpio were dead after 96 hours in 100mg/L concentration. To assess the danger of Aroclor 1254 to aquatic invertebrates, bioassays were conducted with Daphnia magna. Fifty percent of hatched Daphnia magna died at 0.048mg/L concentration after 96 hours. It is suggested from this study that further study on Aroclor 1254 or other PCBs should be focussed en the mortality of the fish larvae with chronic exposure at low concentrations.
류광열,강원식,김영호,장해동,홍진태,유환수,윤여표 충남대학교 약학대학 의약품개발연구소 1998 藥學論文集 Vol.14 No.-
The purpose of this study was to determine the antioxidative effects of Rhodiola sachalinensis Rhodiola methanol extract was fractionated sequentially with dichloromethane and butanol. Each Rhodiola fraction (water, MeOH, BuOH and CH_2Cl_2 fractions) showed the potent superoxide dismutase (SOD) activity, and had inhibitory effets on peroxide value of linoleic acid (40~57%) and lipid peroxidation (47~70%) in FE^2+/ascorbate system-induced rat liver microsome. Rhodiola methanol extract also recovered carbon tetrachloride-induced decrease in SOD by 42% and catalase activities by 50%, and had inhibitory effects (54%) on carbon tetrachloride-induced lipid peroxidation in rat liver microsome. These results suggest that Rhodiola sachalinensis has the antioxidative effects.