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Euphorbia ebracteolata에 대한 생약학적 연구(I) -Euphorbia ebracteolata의 Flavonoid 성분-
이상철,안병태,박웅양,이승호,노재섭,이경순,유응걸,Lee, Sang-Cheol,Ahn, Beung-Tae,Park, Woong-Yang,Lee, Seung-Ho,Ro, Jai-Seup,Lee, Kyong-Soon,Ryu, Eung-Kul 한국생약학회 1992 생약학회지 Vol.23 No.3
Four flavonoids were isolated from the aerial parts of Euphorbia ebracteolata. On the basis of chemical and spectroscopic evidence, the structures of these compounds were established as $quercetin-3-O-{\beta}-D-glucoside$(isoquercitrin)(I), quercetin-3-O-rutinoside(rutin)(II), kaempferol-3-O-rutinoside(III) and $quercetin-3-O-(2'-O-galloyl)-{\beta}-D-glucoside$(IV) which was the main flavonoidal component in this plant. The isolation of flavonoids from E. ebracteolata is the first example.
박웅양,이상철,안병태,이승호,노재섭,이경순,Park, Woong-Yang,Lee, Sang-Cheol,Ahn, Beung-Tae,Lee, Seung-Ho,Ro, Jai-Seup,Lee, Kyong-Soon 한국생약학회 1993 생약학회지 Vol.24 No.1
Three phenolcarboxylic acids, two flavonoids and four hydrolysable tannins were isolated from the whole plant of Acalypha australis. On the basis of chemical and spectroscopic evidence, the structures of these compounds were established as gallic acid, protocatechuic acid, caffeic acid, rutin, isoquercitrin, corilagin, furosin and geraniin.
한국산 복수초성분의 Na<sup>+</sup>, K<sup>+</sup>-ATPase활성에 대한 연구
노재섭(Jai Seup Ro),이경순(Kyong Soon Lee),박웅양(Woong Yang Park),오갑진(Kap Jin Oh),안병태(Beung Tae Ahn),어경춘(Kyong Chun Eo),정도래(Do Rae Jeong),Toshio Nambara(Toshio Nambara) 한국생약학회 1990 생약학회지 Vol.21 No.2
Four known cardiotonic steroids were isolated from roots of Adonis amurensis Regel et Radde and identified as digitoxigenin, cymarin, K-strophanthin and convallatoxin by chromatography on Amberlite XAD-2 zesin and silica gel, highperformance liquid chromatography and gel chromatography on Sephadex LH-20. In order to clarify the structure-activity relationship, thirteen related compounds of digi toxigenin were tested for the inhibitiory activities for Na^+, K^+-adenosine triphosphatase from guinea pig heart. The inhibitory activities of related compounds of digitoxigenin were dependent upon the dicarboxylic acid and amino acid components. The compound having both the arginine and suberic acid moiety showed the higher inhibitory activity. The sulfate and glucuronide of digitoxigenin exhibited much less potency than the parent genin.