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하천수질에 (河川水質) 미치는 분뇨오염에 (糞尿汚染) 관한 연구 ( 제2보 ) - 중랑천과 (中浪川) 왕숙천 (王宿川) 중의 지방산류 (脂肪酸類) 분포 -
윤원용,홍사욱 ( Won Yong Yoon,Sa Uk Hong ) 한국하천호수학회 1987 생태와 환경 Vol.20 No.3
In addition to sterols, some fatty acids were analyzed for the purpose of estimating the fecal pollution in Joongryang and Wangsug stream as reported previously. Palmitic, myristic and stearic acid were predominant but linoleic and lonolenic acid were detected with a small amounts. It seemed to have been originated mainly from the sewage water for the kitchen works. As the results, the contents of fatty acids in mud were much more abundant the those in water as the same case of sterols.
하천수질에 (河川水質 ) 미치는 분뇨오염에(糞尿汚染) 관한 연구 ( 제3보 ) - 중랑천과 (中浪川) 왕숙천 (王宿川) 중의 지표미생물 (指標微生物) 분포 -
윤원용,홍사욱 ( Won Yong Yoon,Sa Uk Hong ) 한국하천호수학회 1987 생태와 환경 Vol.20 No.4
The examination for the microorganism contamination in the mud of Joongryang and Wangsug stream was carried out from July, 1985 to April, 1986. The numbers of microorganism, containing in water and mud of the Joongryang stream was more dominated than that of Wangsug stream and perhaps it was considered to be severely polluted with feces and urban domestic sewage in the Joongryang stream. Seasonal variation of the numbers of microorganism was predominant in July as summer season but inferior in numbers of microorganism in December as winter season than July and it is contrary to the content of sterols and fatty acids in these stream. The contamination of microorganisms in mud was much more superior than in water, as a same tendency of the result from sterols and fatty acids in mud and water.
일황련의 시험재배와 Berberine 함량에 관한 연구
윤원용(Won Yong Yoon),이용주(Yong Joo Lee),박재주(Chae Joo Park) 한국생약학회 1978 생약학회지 Vol.9 No.4
In oriental medicine, Coptis japonica MAKINO (Ranunculaceae) has been known as bitter stomachics. This plant originally grows wild and has been cultivated in Japan but not in Korea. However, a few years ago, some workers have been trying to cultivate this plant in Korea and have made much progresses. Therefore, this study was made for the purpose of conforming possibility in cultivation of Copits japonica MAKINO in Korea. The results were as follows: 1) Berberine contents of rhizomes are much more than of K.P.. Difference in contents between Eu Jeon Bu (4.88±0.77%) and Bo Seong area (3.62±0.50%) is significant (p<0.05). 2) Berberine contents of fibrous roots of Eu Jeong Bu (0.97±0.28%) area was similar to that of Gang Nam (0.93±0.21%), Yang Pyung area(0.91±0.14%) but only contents of Bo Seong area (0.74±0.25%) is less than that of other area and it`s difference is not significant. 3) It was considered that the cultivation of Coptis japonica MAKINO in Korea is possible considering the cultivation results and berberine contents, and also more moderate than south region.
박재주(Chae-Joo Park),양기숙(Ki-Sook Yang),윤원용(Won-Yong Yoon),오세종(Sae-Jong Oh) 한국생약학회 1981 생약학회지 Vol.12 No.1
A rapid determination of mannitol in crude drugs by the use of high pressure liquid chromatography is described. Mannitol is separated by a column of Aminex, using liquid chromatography of waters with H₂O as the eluent solution and the separationis completed within thirty minutes. Mannitol dissolves in water and the aquous extract is injected into the column and the content of mannitol was calculated from the calibration curve previously prepared using a standard.