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Physicochemical properties of sausage manufactured with carp (Carassius carassius) muscle and pork
Sol-Hee Lee,Sung-Duck Joe,Gye-Woong Kim,Hack-Youn Kim 한국축산학회 2020 한국축산학회지 Vol.62 No.6
The purpose of this study was to compare the physicochemical properties of sausage manufactured with carp (Carassius carassius) muscle and pork. Sausages were prepared using either 100% pork sausage (P10), a mixture of 50% pork and 50% carp muscle (P5C5), or 100% carp muscle (C10). The quality of the sausage emulsion was determined by analyzing approximate composition, pH, instrumental color, cooking yield, water holding capacity (WHC), viscosity, and texture profile analysis (TPA). Moisture content of cooked C10 was significantly higher than that of P10 or P5C5 (p < 0.05); however, protein content of cooked P10 was significantly higher than that of C10 (p < 0.05). The pH of uncooked and cooked C10 was significantly higher than that of P10 and P5C5 (p < 0.05). The cooking yield, WHC, and texture profile analysis of C10 were higher than those of P10 and P5C5 (p < 0.05). In addition, the viscosity of uncooked C10 was higher than that of P10 and P5C5. These results suggest that carp muscle can enhance sausage quality with respect to pH, WHC, cooking yield, viscosity, and TPA.
Lee, Min-Hye,Lee, Seung-Hoon,Kim, Jihong,Lee, Sol Yi,Lim, Dae-Hee,Hwang, Kyoungtae,Hwang, Hansu,Jung, Yong Chae,Noh, Yong-Young,Kim, Dong-Yu Elsevier 2017 Carbon Vol.125 No.-
<P>The demand for high-purity semiconducting single-walled carbon nanotubes (sc-SWNTs) has increased considerably with the aim of utilizing their superior properties in a range of future applications. Among post-sorting methods, conjugated polymers have been regarded as one of the candidates to selectively isolate sc-SWNTs with uniform electrical properties. Herein, we demonstrate the ability to selectively sort two types of SWNTs by the two polymers PCTV18T and PC12TV18T, which have different alkyl side-chain densities. PC12TV18T, with a high alkyl chain density, shows great sorting ability for both high-pressure carbon monoxide and plasma-torch-grown SWNTs with a weight ratio of almost 1:1 in toluene solution. In addition, it is found that PC12TV18T selectively sorts sc-SWNTs with the high purity. The chirality and diameters of the enriched sc-SWNTs are further confirmed by Raman spectroscopy and photoluminescence excitation/emission mapping. Finally, we fabricate bottom gate/bottom contact thin-film transistors using the enriched sc-SWNTs as semiconductors to verify the electrical performance. Devices with well-percolated sc-SWNT networks displayed p-dominant properties with average charge-carrier mobilities of 2.05 cm(2) V-1 S-1 and 9.87 cm(2) V-1 S-1 and on/off current ratios of approximately 10(4) and 10(5) for high-pressure carbon monoxide and plasma-torch-grown SWNTs, respectively. (C) 2017 Elsevier Ltd. All rights reserved.</P>
LEE, HEE JUNG,JO, SUZY,RYU, JEONGHYUN,JEONG, HAN-SOL,LEE, GUEMSAN,RYU, MI HEON,JUNG, MYEONG HO,KIM, HYUNGWOO,KIM, BYUNG JOO SPANDIDOS PUBLICATIONS 2015 MOLECULAR MEDICINE REPORTS Vol.12 No.2
<P>Schisandra chinensis Turcz. fruit is widely used to treat skin diseases. The aim of this study was to determine the anti-inflammatory effects of the methanol extract of S. chinensis (MESC) on 1-fluoro-2,4-dinitrofluorobenzene (DNFB)-induced contact dermatitis (CD) in mice. The effects of MESC on ear thickness and weight, histopathological changes, immune cell filtration and cytokine production were investigated in DNFB-induced CD mice. Topical application of MESC effectively inhibited ear swelling (30 or 300 μg on the left ear, P<0.001; 30 μg on the right ear, P<0.001). MESC also inhibited hyperplasia, spongiosis (100 μg/ear, P<0.05 and 300 μg/ear, P<0.001, respectively) and immune cell infiltration (100 μg/ear, P<0.05; 300 μg/ear, P<0.001) induced by DNFB. In addition, MESC suppressed increases in tumor necrosis factor (TNF)-α levels (100 or 300 μg/ear, P<0.05), interferon (INF)-γ (30 μg/ear, P<0.05; 100 μg/ear, P<0.01; 300 μg/ear, P<0.001), interleukin (IL)-6 (300 μg/ear, P<0.05) and monocyte chemoattractant protein (MCP)-1 (30 μg/ear, P<0.05; 100 μg/ear, P<0.01; 300 μg/ear, P<0.001). These results suggest that the anti-inflammatory effects of MESC are mediated by the reduced production of TNF-α, IFN-γ, IL-6 and MCP-1, and that MESC has potential use for the treatment of inflammatory skin diseases.</P>
Homo-succinic acid production by metabolically engineered <i>Mannheimia succiniciproducens</i>
Lee, Jeong Wook,Yi, Jongho,Kim, Tae Yong,Choi, Sol,Ahn, Jung Ho,Song, Hyohak,Lee, Moon-Hee,Lee, Sang Yup Elsevier 2016 Metabolic engineering Vol.38 No.-
<P><B>Abstract</B></P> <P>Succinic acid (SA) is a four carbon dicarboxylic acid of great industrial interest that can be produced by microbial fermentation. Here we report development of a high-yield homo-SA producing <I>Mannheimia succiniciproducens</I> strain by metabolic engineering. The PALFK strain (<I>ldhA</I> <SUP> <I>-</I> </SUP>, <I>pta</I> <SUP> <I>-</I> </SUP>, <I>ackA</I> <SUP> <I>-</I> </SUP> <I>, fruA</I> <SUP> <I>-</I> </SUP>) was developed based on optimization of carbon flux towards SA production while minimizing byproducts formation through the integrated application of <I>in silico</I> genome-scale metabolic flux analysis, omics analyses, and reconstruction of central carbon metabolism. Based on <I>in silico</I> simulation, utilization of sucrose would enhance the SA production and cell growth rates, while consumption of glycerol would reduce the byproduct formation rates. Thus, sucrose and glycerol were selected as dual carbon sources to improve the SA yield and productivity, while deregulation of catabolite-repression was also performed in engineered <I>M. succiniciproducens</I>. Fed-batch fermentations of PALFK with low- and medium-density (OD<SUB>600</SUB> of 0.4 and 9.0, respectively) inocula produced 69.2 and 78.4g/L of homo-SA with yields of 1.56 and 1.64mol/mol glucose equivalent and overall volumetric SA productivities of 2.50 and 6.02g/L/h, respectively, using sucrose and glycerol as dual carbon sources. The SA productivity could be further increased to 38.6g/L/h by employing a membrane cell recycle bioreactor system. The systems metabolic engineering strategies employed here for achieving homo-SA production with the highest overall performance indices reported to date will be generally applicable for developing superior industrial microorganisms and competitive processes for the bio-based production of other chemicals as well.</P> <P><B>Highlights</B></P> <P> <UL> <LI> <I>Mannheimia succiniciproducens</I> was engineered to produce homo-succinic acid. </LI> <LI> Different carbon sources were examined for optimal succinic acid production. </LI> <LI> Catabolic repression deregulation allowed co-fermentation of sucrose and glycerol. </LI> <LI> High productivity and yield of homo-succinic acid were achieved. </LI> <LI> Membrane cell recycling fermentation resulted in productivity of 38.6g/L/h. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>