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안병태,오갑진,박시경,정순간,조의환,김재길,노재섭,이경순,Ahn, Byung-Tae,Oh, Kap-Jin,Park, Si-Kyung,Chung, Sun-Gan,Cho, Eui-Hwan,Kim, Jae-Gil,Ro, Jai-Seup,Lee, Kyong-Soon 한국생약학회 1996 생약학회지 Vol.27 No.3
Seven phenolic compounds were isolated from the leaves of Spiraea salicifolia. Their structures were characterized as cinnamic acid, ${\rho}-hydroxy$ cinnamic acid, ${\rho}-methoxy$ cinnamic acid, $1-O-coumaroyl-{\beta}-D-glucopyranose$, $1-O-caffeoyl-{\beta}-D-glucopyranose$, hyperoside and quercetin $3-O-(6'-O-{\alpha}-L-arbinopyranosyl)-{\beta}-D-galactopyranoside$ by chemical and spectroscopic evidence.
고속액체크로마토그라피에 의한 음양곽 중 Icariin의 정량
신국현(Kuk Hyun Shin),강삼식(Sam Sik Kang),정순간(Sun Gan Chung),조의환(Eui Hwan Cho) 한국생약학회 1989 생약학회지 Vol.20 No.1
A new method for quantitative determination of icariin in Epimedii Herba by high performance liquid chromatography was established. A reversed-phase system with a μBondapak C<sub>18</sub> column using methanol in water (15% to 70%, gradient elution) as a mobile phase was developed. Icariin and spinosin as an internal reference were detested at 350 ㎚ and the analysis was successfully carried out within 30 min.
강삼식(Sam Sik Kang),신국현(Kuk Hyun Shin),정순간(Sun Gan Chung),조의환(Eui Hwan Cho) 한국생약학회 1988 생약학회지 Vol.19 No.2
Three flavonoids were isolated from Epimedium koreanum and identified as quercetin(1), anhydroicaritin-3-O-α-rhamnoside(2) and icariin(3) by spectroscopic methods. The former two compounds are the first isolation from this plant.
박시경(Si Kyung Park),오갑진(Gab Jin Oh),김현태(Hyun Tae Kim),김현종(Hyun Jong Kim),정순간(Sun Gan Chung),조의환(Eui Hwan Cho) 대한약학회 1998 약학회지 Vol.42 No.3
For the investigation of bioactive natural products with analgesic activity, we have evaluated various extracts of Saururi Herba (Saururaceae), which has been used in traditional medicine for edema, beriberi, jaundice, turbid urine, carbuncle and furuncle. The diethylether extract of this plant was found to show a significant analgesic effect on writhing syndrome in mice. Using bioactivity-guided separation of the diethylether extract, analgesic constituent, (8S, 8`R, 7R, 6`R)-2`-oxo-4,5: 4`,5`-bis(methylenedioxy)-delta1,3,5,3`-8.8`, 7.6`, 2.O.5`-neolignan(sauchinone) was isolated and structurally identified by physico-chemical properties and spectroscopic evidences. This compound has good analgesic activity with lower toxicity, as compared to other antipyretic-analgesic drug(acetaminophen).
오갑진(Kap Jin Oh),최윤석(Yun Seuk Choi),최일식(Il Shik Choi),박시경(Si Kyung Park),이규흥(Kyou Heung Lee),정순간(Sun Gan Chung),조의환(Eui Hwna Cho) 대한약학회 1992 약학회지 Vol.36 No.5
Astilbes rhizoma has been used for headache, arthralgia, chronic bronchitis and stomachalgia in traditional chinese medicine. The analgesic activities and their components of Astilbe chinensis var. davidii Rhizomes were evaluated. The ether and ethylacetate fractions of 70% EtOH extract showed considerable analgesic activities by acetic acid induced writhing method. Compound 1~5 were isolated from ethylacetate fraction and identified as gallic acid, (+)-catechin, (+)-gallocatechin, bergenin and 11-O-galloylbergenin on the basis of spectroscopic methods. Among them (+)-gallocatechin showed stronger analgesic activity than that of other compounds.