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이정호,강길웅,유일수,김종수,최은영,나영순,백승화 圓光大學校 基礎自然科學硏究所 2000 基礎科學硏究誌 Vol.18 No.1
본 연구는 어성초의 물 추출물을 이용해서 카드뮴의 독성에 대한 해독 경감효과를 알아보고자 하였다. 그 결과는 어성초 물 추출물의 투여 용량이 증가할 수록 흰쥐 신장과 간장에서 카드뮴에 대한 해독효과도 감소하는 경향을 보였다. 어성초 물 추출물의 투여 용량이 40㎎/㎏에서 흰쥐 신장과 간장에서 카드뮴에 대한 해독 경감효과가 우수하게 나타났으며, 간장에서 카드뮴에 대한 해독 경감효과 우수하게 나타났다. 흰쥐 체중은 어성초 물 추출물의 투여용량이 증가할수록 체중도 증가 하였지만 3주 이후에는 체중의 증가의 변화는 크지 않았다. 이 결과를 볼 때 어성초 물 추출물이 흰쥐 장기내 카드뮴에 대한 해독 경감효과가 나타났다. This study was conducted to investigate the antitoxic component in aqueous extract of Houttuynia cordata T_HUNB. The results were as follows: Generally, detoxication effects by Houttuynia cordata T_HUNB extract was administered, it showed the highest antitoxic effects against the toxicity of cadmium in liver. After the extract treatment. Body weights increased in proportion to the extract concentration. However, after 3 weeks, the body weight decreased insignificantly. From the above results, Houttuynia cordata T_HUNB extract increased Metallothinnein concentration and decreased toxicity of cadmium in rats.
김진수,나병기,송형근,한춘,이화웅 한국화학공학회 1999 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.37 No.1
공장에서 대기 중으로 방출되고 있는 폐유기용매 중의 하나인 MEK(Methyl Ethyl Ketone)를 흡착법으로 회수하기 위하여 가장 적합한 흡착제를 선정하였다. 입상활성탄, 섬유상활성탄 및 고분자 흡착제를 사용하여 흡착량과 탈착량을 비교 검토하였다. 흡착제를 흡착탑에 충진하고 시료가스를 흘리면서 출구에서의 MEK 농도를 분석한 파과실험을 통하여 흡착량을 측정하였다. 입상활성탄 및 섬유상활성탄은 초기의 MEK 흡착량이 많은 반면에 상온에서 재생 후에는 흡착량이 감소하였다. 반면에 고분자 흡착제는 초기의 흡착량도 매우 높았으며 상온에서 재생 후의 흡착량도 초기흡착량과 비슷하였다. 진공 탈착을 하면서 MEK의 회수율을 측정한 결과를 살펴보면, 활성탄에 비해서 고분자 흡착제가 높은 회수율을 나타내었다. A reliable adsorbent for MEK (Methyl Ethyl Ketone) was selected to recover it from the ducts of plant, which can solve related environmental problems. Granular activated carbon, activated carbon fiber, and polymer adsorbents were tested with the adsorption and desorption amounts of MEK. The adsorbents were loaded into the column and breakthrough experiments were performed by analyzing the outlet gas from the column by a gas chromatography. Granular activated carbon and activated carbon fiber had high adsorption amounts at first adsorption. After regeneration of the adsorbents at room temperature under vacuum the adsorption amounts decreased. Polymer adsorbents had high adsorption amount at first adsorption and the second adsorption amount was almost equal to the first one after regeneration. During the regeneration MEK was collected with a liquid nitrogen trap. Polymer adsorbents had higher recovery than the activated carbons.
최희은 ( Hee-eun Choi ),박화영 ( Hwa-young Park ),조영인 ( Young-in Jo ),김나율 ( Na-yul Kim ),이난희 ( Nan-hee Lee ),최웅규 ( Ung-kyu Choi ) 한국식품영양학회 2017 韓國食品營養學會誌 Vol.30 No.2
This study was conducted to investigate the noodle-making characteristics of a noodle dough with konjac powder added. The water-binding capacity was significantly increased by increasing amounts of the konjac powder. When the weight and volume of the noodles were measured after cooking, there was no difference between the control and konjac powder groups. Turbidity was significantly reduced in a concentration-dependent manner. Chromaticity, in the case of raw noodle lightness (L), decreased significantly, while redness (a) and yellowness (b) significantly increased. Cooked noodles also showed the same pattern of results, however, as a whole, the results were lower when compared to wet noodles. The texture characteristics of hardness and chewiness significantly increased by increasing concentrations of the konjac powder. Cohesiveness was determined to not be significantly different by observing the surface of the noodle with a scanning electron microscope. In a sensory evaluation of the cooked noodle, no significant differences in gloss, taste, hardness, springiness or overall acceptability were observed between the control and konjac powder groups. This study indicates the that addition of 1.5% konjac powder to noodle dough may improve the functionality and preference of noodles