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포도주에 관한 연구 (제1보) - 포도주효모(酵母)의 분리(分離) 및 동정(同定)
박윤중,윤한교,이석건,윤복현,Park, Y.J.,Yoon, H.K.,Lee, S.K.,Yoon, B.H. 충남대학교 농업과학연구소 1975 Korean Journal of Agricultural Science Vol.2 No.2
한국산(韓國産) 포도주 양조(釀造)에 적합(適合)한 우수균주(優秀菌株)를 얻기 위(爲)하여 대전시(大田市) 일원(一圓)에서 수집(蒐集)한 시료(試料) 포도 중(中)에서 213주(株)의 효모(酵母)를 분리(分離)하여 이들 중에서 우수(優秀)한 균주(菌株)로서 3주(株)를 선정(選定)하여 실험(實驗)한 결과(結果)는 다음과 같다. 1. 우수균주(優秀菌株)로 선정(選定)된 W-49, W-50 및 W-127은 포도주 양조(釀造)에 있어서 발효료을 속(速)히 청징화(淸澄化)하였다. 2. 저장(貯藏) 45일(日) 후(後) 청징화(淸澄化)된 포도주들의 $OD^{530}_{10}$를 비교(比較)할때 W-50 균주(菌株)의 것은 OD치(値)가 크고 색도(色度)가 매우 짙었다. 3. 관용시험(官龍試驗) 결과(結果) W-49와 W-50의 것이 가장 좋았으며 W-127의 것은 그 다음 순(順)으로서 대조(對照) 균주(菌株) Hb의 것과 비슷하였다. 4. 우수균주(優秀菌株)의 균학적(菌學的) 성질(性質)을 살펴 Lodder의 분류동정법(分類同定法)에 따라 동정(同定)한 결과(結果) W-49와 W-50의 균주(菌株)는 Saccharomyces cerevisiae로 동정(同定)되었으며 W-127의 균주(菌株)는 Saccharomyces pretoriensis로 동정(同定) 되었다. 5. 이들 우수균주(優秀菌株)의 TTC 정색(呈色) 반응(反應)은 모두 TTC Red 효모(酵母)로 나타났다. These experiments were carried out to obtain useful yeast for Korean grape wine brewing. The 213 strains of yeasts were isolated from grapes sampled in Daejeon city and suburbs and then 3 strains among the isolated yeasts were selected as useful strains and identified. The results obtained as follows; 1. The 3 strains of W-49, W-50 and W-127 selected as useful yeasts were clarified to grape wine mash rapidly. 2. In the mashes clarified after storage of 45 days, the value of optical density of the case of W-50 strain was highest and the color was very thick, compared with the case of another strains. 3. In the pannel test of the grape wines, the case of W-49 and W-50 strains were best, the case of the W-127 strain and control yeast, Hb were similar each other as next order. 4. Among 3 strains selected as useful yeasts it were identified that the strains of W-49, W-50 selected as useful strains were Saccharomyces cerevisiae and the strain of W-127 was Saccharinyces pretoriencis by the Ladder manual. 5. All of these useful yeasts were appeared red color on TT C stain.
임재명(J.M. Lim),박경암(K.A. Park),윤복현(B.H. Yoon),최해만(H.M. Choi) 한국유체기계학회 2007 유체기계 연구개발 발표회 논문집 Vol.- No.-
The aim of this paper is to develop the technology of minute gas flow-rate, which is very important in the fields of semiconductor process and NT(Nano Technology). To reach the aim mentioned above we developed the following measurement method. Firstly, we manufactured several some nozzles of the same throat diameters with the same configuration, and calibrated them by means of the standard measurement system. Then we selected a group of sonic nozzles with the similar characteristics. Lastly, we instituted some nozzles from one nozzle in the upstream and other some nozzles from two nozzles in the downstream. In this way we could all the flow-rates(discharge coefficient) for the some nozzles of the same nominal throat diameter.
김인주,박창언,윤복현,김일수 한국공작기계학회 2003 한국공작기계학회 춘계학술대회논문집 Vol.2003 No.-
According to the rising of national economic level, domestic consumption of vegetables having high additive values is increased continuously due to increased consumption of meat in last decade. These vegetables are produced almost in this country and are limited to import from neighbor countries in due of high transportation expenses for storing in refrigerated container. It is very important to mechanize the harvest work, forming more than 30% for their production cost, in order to cultivate variable vegetables at the same time according to their harvesting seasons. In this state its former harvest methods, with using of human power or semi-automatic harvest, caused to increase their production cost due to high labor cost and low working efficiency.
포도주에 관한 연구 (제1보) : 포도주酵母의 分離 및 同定 The isolation and identification of grape wine yeasts
朴允仲,尹漢敎,李錫健,尹福鉉 충남대학교 농업과학연구소 1975 農業技術硏究報告 Vol.2 No.2
These experiments were carried out to obtain useful yeast for Korean grape wine brewing. The 213 strains of yeasts were isolated from grapes sampled in Daejeon city and suburbs and then 3 strains among the isolated yeasts were selected as useful strains and identified. The results obtained as follows; 1. The 3 strains of W-49, W-50 and W-127 selected as useful yeasts were clarified to grape wine mash rapidly. 2. In the mashes clarified after storage of 45 days, the value of optical density of the case of W-50 strain was highest and the color was very thick, compared with the case of another strains. 3. In the pannel test of the grape wines, the case of W-49 and W-50 strains were best, the case of the W-127 strain and control yeast, Hb were similar each other as next order. 4. Among 3 strains selected as useful yeasts it were identified that the strains of W-49, W-50 selected as useful strains were Saccharomyces cerevisiae and the strain of W-127 was Saccharmyces pretoriencis by the Lodder manual. 5. All of these useful yeasts were appeared red color on TT C stain.