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장기창 ( Jang Gi Chang ),김성철 ( Kim Seong Cheol ),송은영 ( Song Eun Yeong ),김공호 ( Kim Gong Ho ),권혁모 ( Kwon Hyeog Mo ),강상헌 ( Kang Sang Heon ),박기훈 ( Park Gi Hun ),정용환 ( Jeong Yong Hwan ) 한국응용생명화학회 2003 Applied Biological Chemistry (Appl Biol Chem) Vol.46 No.3
In order to isolate antibacterial substances from the rhizome of Zingiber mioga Roscoe, the ethanol extracts was fractionated according to the activity against Bacillus subtilis B. cereus and Staphylococcus aureus. Three antibacterial substances were isolated and purified by column chromatography and recrystallization. Compounds Ⅰ and Ⅲ showed activity against all the tested bacterias and compound Ⅱ exhibited the activity against B. subtilis and B. cereus except S. aureus. Compound I was examined antimicrobial activity aginst B. .subtilis, B. cereus and S. aureus by optical density using Bioscreen C Compound I showed strong growth inhibition at 10 ppm on B. subtilis and B. cereus for 72 hrs, and at 25 ppm on s. aureus. On the basis of spectrometric studies including ¹H-NMR, ^(13)C-NMR, DEPT, 1H-1H COSY, HMQC, HMBC and IR, compounds Ⅰ, Ⅱ and Ⅲ were identified ai (E)-8β(17)-epoxylabd-12-ene-15,16-dial (C_(20)H_(30)O₃, MW=318), galanolactone (C_(20)H_(30)O₃, MW=318) and galanal A(C_(20)H_(30)O₃, MW=318), respectively. These results are the first reports on the isolation (E)-8β(17)-epoxylabd-12-ene-15,16-dial, galanolactone and galanal A from the rhizome of Zingiber mioga.
장기창,Jang, Gi-Chang 대한건축사협회 1983 建築士 Vol.1983 No.9
본보고서는 82년도 연구결과에 대하여 동년 12월에 본 연구소 연구발표회시에 발표한 내용을 정리 · 소개하는 것으로서 연구 및 시험결과에 따라 시험방법을 제정하여 시행중에 있음.
쑥갓의 꽃에서 분리한 sesquiterpene lactones의 항균활성
이경동 ( I Gyeong Dong ),하태정 ( Ha Tae Jeong ),한효심 ( Han Hyo Sim ),장기창 ( Jang Gi Chang ),장대식 ( Jang Dae Sig ),조동령 ( Jo Dong Lyeong ),양민석 ( Yang Min Seog ) 한국응용생명화학회 2003 Applied Biological Chemistry (Appl Biol Chem) Vol.46 No.3
Thirteen sesquiterpene lactones isolated from the flower of Chrysanthemum coronarium L.. which has been widely cultivated in Korea as a vegetable for a long time, were investigated their antimicrobial activities against eight bacteria and five phytopathogenic fungi. The antimicrobial activities of dihydrochrysanolide (6) and 1-epi-dihydrochrysanolide (7) showed strong activities against all the bacteria such as Bacillus subtilis, Bacillus cereus, Staphylococcus aureus and Vibrio parahaemolyticus. Especially, Staphylococcus aureus was investigated that have very strong antibacterial activity to 1.56 ㎍ㆍdisc^(-1), respectively. Also, most of sesquiterpene lactones, which have α-methylene-Y-butyrolactone group, were exhibited strong activity to Gram(+) bacteria than Gram(-) bacteria. In the antifungal test, Rhizoctonia solani and Phytophthora capsici known as phytopathogenic fungi have exhibited all extensive activity about compounds that have α-methylene-Y-butyrolactone group.