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韓國産硫黃細菌에 관한 硏究(Ⅰ) : 韓國産 硫黃細菌의 分離 및 同定
李培咸,丁聖九,李文煥,崔泰鎬 건국대학교 1969 學術誌 Vol.10 No.1
The experiments have attempted to isolate thiobacilli in oder to studies on the elimination of sulfer in Kerosene and on the refinning of a metal mines. The Thiobacilli isolated from soil and sewage which were collected through south Korea identified as follows accordance with Waksman's observation and description of Bergey's manual. Strain SP-S-1 was considered the same as T. thioparus, and Sp-Se-3 the same as T. denitrificans, and TF-S-5 the same as T. ferrooxidans, and ON-Se-1 the same as T. concretivorus, and WO-Se-3 was identified with T. thiooxidans.
함태식,김인숙,조미자,오성기 경희대학교 부설 식량자원개발연구소 1993 硏究論文集 Vol.14 No.-
조유와 정제유의 지방산 중 linoleic acid의 함량이 70.2-71.8%로 가장 많았다. 조유의 경우 중성지질, 당지질, 인지질의 함량이 각각 93.5%, 2.6%, 미량이고 정제유의 경우 중성지질이 99.9이었다. 중성지질과 당지질의 지방산은 linoleic aced의 함량이 각각 69.9%와 66.7%로 가장 많았으마, 인지질의 경우 oleic acid의 함량이 47.0%로 가장 많았다. 중성지질의 성분을 TLC로 분석한 결과 triglyceride가 94.3%로 가장 많았다. The fatty acid composition of red pepper(Capsicum annum)seed oil was studied. Red pepper seed oil was fractionated to nuetral lipids, glycolipids and phospholipids by silisis acid coulmn chromatography. The contents of nuetral lipids, glycolipids and phospholipids in the crude oil were 93.5%, 2.6% and trace, respectively, and the refined oil gave a trace amount of glycolipids and phospholipids. Main unsaturated fatty acids in the crude oil were linoleic acid(69.9%), linolenic acid(1.8%). Sutarated fatty oil, particularly palmitic acid was abundant in the fraction of glycolipids and phoospholipids of the crude oil. The magor component in nuetal was found to be triglycerides.
산양유 쿠미스의 제조와 Candida kefir 의 젖산 생성
인영민,정석근,함준상,안영태,김현욱,김동운,김회발,김용곤 한국유가공기술과학회 2000 Journal of Dairy Science and Biotechnology (JMSB) Vol.18 No.2
Goat milk consumption in Korea has been increasing nowadays due to recognition of good for health, and some goat milk producing farms get high income by processing and selling. Some chemical, physical, and nutritional characteristics of goat milk were reviewed. Development of various types of goat milk products is required for both producer and consumer, and Koumiss could be a good application. Koumiss is lactic acid-alcohol fermented milk product and is widely used for treating pulmonary tuberculosis in Russia. Koumiss making from goat milk was compared to from cow milk. L. plantarum and C. kefir isolated from Mongolian Koumiss were used as starter cultures, and mixed fermentation with L. bulgaricus showed symbiotic growth effect. The best sensory characteristics were obtained in two day fermented Koumiss. However the Koumiss making procedure was very complex because of mixed fermentation of yeast and lactic acid bacteria. To simplify this complex procedure, the yeast was developed to express 1dh gene of the lactic acid bacteria. L-1dh gene was isolated from the L. plantarum by PCR, and ligated to a commercial shuttle vector, The vector containing L-1dh was transformed to E. coli, and was purified after large scale preparation. The purified vector was transformed to C, kefir by electroporation after removal of antibiotic marker. Two kinds of colonies were obtained on YPG agar containing bromocresol purple, and the colony which shows yellow surrounding was considered to express 1dh gene. Expression conditions of the 1dh gene in the yeast need further study.
Kim, J.H.,Jeun, E.J.,Hong, C.P.,Kim, S.H.,Jang, M.S.,Lee, E.J.,Moon, S.J.,Yun, C.H.,Im, S.H.,Jeong, S.G.,Park, B.Y.,Kim, K.T.,Seoh, J.Y.,Kim, Y.K.,Oh, S.J.,Ham, J.S.,Yang, B.G.,Jang, M.H. Mosby 2016 The journal of allergy and clinical immunology Vol.137 No.2
<P>Background: The incidence of food allergies has increased dramatically during the last decade. Recently, probiotics have been studied for the prevention and treatment of allergic disease. Objective: We examined whether Bifidobacterium longum KACC 91563 and Enterococcus faecalis KACC 91532 have the capacity to suppress food allergies. Methods: B longum KACC 91563 and E faecalis KACC 91532 were administered to BALB/c wild-type mice, in which food allergy was induced by using ovalbumin and alum. Food allergy symptoms and various immune responses were assessed. Results: B longum KACC 91563, but not E faecalis KACC 91532, alleviated food allergy symptoms. Extracellular vesicles of B longum KACC 91563 bound specifically tomast cells and induced apoptosis without affecting T-cell immune responses. Furthermore, injection of family 5 extracellular solute-binding protein, a main component of extracellular vesicles, into micemarkedly reduced the occurrence of diarrhea in a mouse food allergy model. Conclusion: B longum KACC 91563 induces apoptosis of mast cells specifically and alleviates food allergy symptoms. Accordingly, B longum KACC 91563 and family 5 extracellular solute-binding protein exhibit potential as therapeutic approaches for food allergies.</P>
Wise, T,Radua, J,Via, E,Cardoner, N,Abe, O,Adams, T M,Amico, F,Cheng, Y,Cole, J H,de Azevedo Marques Pé,rico, C,Dickstein, D P,Farrow, T F D,Frodl, T,Wagner, G,Gotlib, I H,Gruber, O,Ham, B J,Job Macmillan Publishers Limited, part of Springer Nat 2017 Molecular psychiatry Vol.22 No.10
<P>Finding robust brain substrates of mood disorders is an important target for research. The degree to which major depression (MDD) and bipolar disorder (BD) are associated with common and/or distinct patterns of volumetric changes is nevertheless unclear. Furthermore, the extant literature is heterogeneous with respect to the nature of these changes. We report a meta-analysis of voxel-based morphometry (VBM) studies in MDD and BD. We identified studies published up to January 2015 that compared grey matter in MDD (50 data sets including 4101 individuals) and BD (36 data sets including 2407 individuals) using whole-brain VBM. We used statistical maps from the studies included where available and reported peak coordinates otherwise. Group comparisons and conjunction analyses identified regions in which the disorders showed common and distinct patterns of volumetric alteration. Both disorders were associated with lower grey-matter volume relative to healthy individuals in a number of areas. Conjunction analysis showed smaller volumes in both disorders in clusters in the dorsomedial and ventromedial prefrontal cortex, including the anterior cingulate cortex and bilateral insula. Group comparisons indicated that findings of smaller grey-matter volumes relative to controls in the right dorsolateral prefrontal cortex and left hippocampus, along with cerebellar, temporal and parietal regions were more substantial in major depression. These results suggest that MDD and BD are characterised by both common and distinct patterns of grey-matter volume changes. This combination of differences and similarities has the potential to inform the development of diagnostic biomarkers for these conditions.</P>
Kim, T.,Ham, C.,Rhee, C.K.,Yoon, S.H.,Tsuji, M.,Mochida, I. Pergamon Press ; Elsevier Science Ltd 2009 Carbon Vol.47 No.1
Correlations between the electrochemical double layer capacitances of various acetylene blacks modified by surface oxidation and heat treatment, and their morphologies are presented. The acetylene blacks were different from each other in primary structural unit size (equivalent to mean particle diameter). They were oxidized in air at 300<SUP>o</SUP>C for 1h to produce graphene sheets protruding from the surfaces of the spherical particles. In addition, the surfaces of the acetylene blacks were modified by heat treatments from 1000<SUP>o</SUP>C to 2800<SUP>o</SUP>C, which resulted in a morphological change from surfaces covered with protruding graphene sheets to ones wrapped with basal planes of graphite. Correlations between the capacitances of the acetylene blacks and the observed morphologies showed that the surface covered with protruding graphene sheets was roughly 10 times more effective in capacitive charging than the surface of graphite basal planes. Specifically, the surface specific capacitance of the edged-graphene-sheet-covering surface was 146mF/m<SUP>2</SUP>, while that of the basal-planes-wrapping surface was 16mF/m<SUP>2</SUP>. It was concluded that the capacitances of the acetylene blacks were mainly defined by surface morphology, which were in turn influenced by structural unit size and degree of oxidation.
Choi, R.Y.,Nam, S.J.,Ham, J.R.,Lee, H.I.,Yee, S.T.,Kang, K.Y.,Seo, K.I.,Lee, J.H.,Kim, M.J.,Lee, M.K. Pergamon Press 2016 Bioorganic & medicinal chemistry letters Vol.26 No.19
Peucedanum japonicum Thunb is a medicinal plant belonging to the family Umbelliferae. This study evaluated the anti-diabetic and anti-obesity effects of cis-3',4'-diisovalerylkhellactone (cDIVK) isolated from Peucedanum japonicum Thunb leaves. cDIVK (30 and 50μM) effectively inhibited adipocyte differentiation and fat accumulation, whereas it stimulated glucose uptake compared with the control in 3T3-L1 cells. cDIVK significantly increased AMPK activation and suppressed protein and mRNA expression of major adipogenic transcriptional factors such as C/EBPα, PPARγ and SREBP-1c in 3T3-L1 cells. In addition, cDIVK had potential α-glucosidase inhibitory activity. These results indicated that cDIVK may act as a natural dual therapeutic agent for diabetes and obesity.