Journal of the Korean Society of Food Science and Nutrition
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v.42
no.12
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pp.1930-1939
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2013
It has been reported that Chungkukjang, one of Korean traditional fermented soybean products, may improve hypertension, diabetes, and hyperlipidemia. In this study, we sought to investigate the immunoenhancing effects of Chungkukjang in ovariectomized mice. For the first period, female SLC ddy mice were either sham-operated (Sham; n=27) or ovariectomized (OVX; n=27). As a basal diet, ovariectomized mice were fed low-calcium diet for faster induction of osteoporosis for six weeks, and those in the Sham group were fed AIN-76 diet. For the second period, half of the OVX group (n=9) and the Sham group (n=9) were fed a Chungkukjang-based diet (CKJ); whereas the other half (OVX; n=9/ Sham; n=9) were fed a casein-based diet (CSI) for 8 weeks. After a second period, we collected the blood via heart puncture and measured the splenocytes proliferation, T lymphocyte subsets by flowcytometry, and levels of serum cytokines (IL-2, IL-4, IL-6, IL-10, IFN-${\gamma}$ and TNF-${\alpha}$) by ELISA assay. The OVX+CKJ group showed higher splenocytes proliferation, higher ratio of CD4/CD8, and lower levels of IL-6 and TNF-${\alpha}$ cytokines compared to the OVX+CSI group. The Sham+CKJ group showed cytokine productions, such as higher levels of IL-10 and IFN-${\gamma}$, and lower levels of IL-6 and TNF-${\alpha}$ compared to the Sham+CSI group. The result of this study suggests that Chungkukjang may lower the proinflammatory cytokine levels in both the OVX and Sham groups. In addition, Chungkukjang could make a balance of T cell subset proliferations and enhance the splenocyte proliferations in the OVX group.
For centuries, ginseng has been used for the therapeutic purpose in oriental herb medicine. Several studies have been conducted in the past to evaluate the effect of ginseng on erythropoiesis. However the results were controversial. We therefore attempted in the present studies to evaluate the effect of ginseng on the erythropoietic activity. In one series of experiments, the recovery pattern of peripheral blood(red cell count, hemoglobin content, hematocrit and reticulocyte count) was studied in posthemorrhagic anemic rabbits. After animals were maintained with normal(control group) or 1 gm% ginseng (experimental group) diet for 2 weeks, hemorrhagic anemia was induced by withdrawing blood equivalent to 25% of the total blood volume and then changes in peripheral blood were followed for following 30 days. In other series of experiments, we studied effect of ginseng on erythrokinetics using $^{59}Fe$. $^{59}Fe(10{\sim}40\;{\mu}Ci/animal)$ was injected intravenously after animals were fed with normal (control group) or 1 gm% ginseng(experimental group) diet for 2 weeks. And radioactivities in the blood compartments were measured at appropriate intervals for 15 days. Front these various erythrokinetic parameters were estimated. Results are summarized as follows: 1) Reticulocyte count was higher in the experimental group than in the control group after 2 weeks of administration of experimental diet. During the posthemorrhagic period, the reticulocyte count increased in both the control and experimental groups, but the increase appeared much earlier in the experimental group. 2) The posthemorrhagic recoveries of hematocrit, hemoglobin content and red cell count appeared to be faster in the experimental group as compaired with the control group. 3) The half life$(T_{1/2})$ of $^{59}Fe$ in the plasma was significantly(P<0.05) shorter in the experimental group(82.6 min, N=8) than in the control group(121 min, N=6). Plasma iron turnover (PIT) of the experimental group (1.78 mg/dl/24 hr.) was approximately 4 times greater than that of the control group(0.45 mg/dl/24 hr.). 4) The maximum red cell utilization(RC-U) was 82.1% in the experimental group ana 74.5% in the control group. Red cell iron turnover(RIT) of the experimental group(1.62 mg/dl/24 hr.) was slightly higher than that of the control group(0.35 mg/dl/24 hr). 5) Erythron turnover was significantly(p<0.05) greater in the experimental group(1.27 mg/dl/24 hr.) than in the control group(0.24 mg/dl/24 hr.). Marrow transit time of the experimental group(2.05 days) tended to he faster than that of the control group(2.84 days). These results suggest that the gingseng improves the recovery of posthemorrhagic anemia and stimulates the erythropoiesis in rabbits.
Journal of Korean Society of Environmental Engineers
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v.35
no.12
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pp.889-896
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2013
Advanced Oxidation Processes (AOP) have been interested for removing micropollutants in water. Most of water treatment plants (WTPs) located along the lower part of Nakdong River have adopted the $O_3/BAC$ process and have interesting in peroxone process a kind of AOP. This study evaluated the removal characteristics of residual hydrogen peroxide ($H_2O_2$) combining with the biofiltration process in the next BAC process when the hydrogen peroxide is applied for the WTP operating $O_3/BAC$ process. In the experiment, changing the temperature and the concentration of $H_2O_2$ of influent, the biofiltration process showed rapidly dropped the biodegradability when the $H_2O_2$ concentration was increased and lowered water temperature while BAC process maintained relatively stable efficiency. The influent fixed at $20^{\circ}C$ and the concentration of $H_2O_2$ at 300 mg/L was continuously input for 78 hours. Most of the $H_2O_2$ in the influent did not remove at the biofiltration process controlled 5 to 15 minutes EBCT condition after 24~71 hours operating time while BAC process controlled 5 to 15 minutes EBCT showed 38~91% removal efficiency condition after 78 hours operating time. Besides, after 78 hours continuously input experiment, the biomass and activity of attached bacterial on the biofilter and BAC were $6.0{\times}10^4CFU/g$, $0.54mg{\cdot}C/m^3{\cdot}hr$ and $0.4{\times}10^8CFU/g$, $1.42mg{\cdot}C/m^3{\cdot}hr$ respectively. These biomass and activity values were decreased 99% and 72% in biofilter and 68% and 53% in BAC compared with initial condition. The biodegradation rate constant ($k_{bio}$) and half-life ($t_{1/2}$) in BAC were decreased from $1.173min^{-1}$ to $0.183min^{-1}$ and 0.591 min to 3.787 min respectively according to increasing the $H_2O_2$ concentration from 10 mg/L to 300 mg/L at $5^{\circ}C$ water temperature and the $k_{bio}$ and $t_{1/2}$ were $1.510min^{-1}$ to $0.498min^{-1}$ and 0.459 min to 1.392 min at $25^{\circ}C$ water temperature. By increasing the water temperature from $5^{\circ}C$ to $15^{\circ}C$ or $25^{\circ}C$, the $k_{bio}$ were increased 1.1~2.1 times and 1.3~4.4 times. If a water treatment plant operating $O_3/BAC$ process is considering the hydrogen peroxide for the peroxone process, post BAC could effectively decrease the residual $H_2O_2$, moreover, in case of spilling the $H_2O_2$ into the water process line, these spilled $H_2O_2$ concentration can be able to decrease by increasing the EBCT at the BAC process.
The purpose of this study is to investigate the relations between housewife's self esteem and attitude toward household work its satisfaction and to find out how independent variables(housewife's age, education level, employment, household work helper, type of family) have effect on the two dependent variables. The measurement of self-esteem was based on the self-concept test standarized by Jung Won Sick, reformed the Fitts measurement for Korean Society. In order to measure of attitude toward household work and its satisfaction, based on the previous research, researcher made the measurement . the research was conducted on 234 housewives in Seoul in September 1984. Data was analyzed by percentage, mean, frequence analysis of variances, Pearson's correlation coefficient. The result can be summarized as following. 1)Over on half of housewives have high self-esteem comparatively. 2) Age and education level were variables to have influence n the attitude toward household work. 3)The attitude toward household work and its satisfaction comparatively were high. 4)Education level and type of family were variables to have influence on the attitude toward household work. Education level, employment and household work helper were variables to have influence on the satisfaction of house hold work. 5) Level of Self-esteem has influence on the attitude toward household work and its satisfaction. The higher level of self-esteem was, the higher becomes the score of the attitude toward house hold work and its satisfaction. Following suggestions can be extracted form the results of above study. 1) research of housewife's self-esteem didn't established a setted theory yet. I think, therefore, it requires deeper study about housewife's household work look upon as her occupation and relation between the household work as her occupation and her self-esteem in this area. 2) Population and sociological variables, used in this study, hardly influenced on self-esteem, the attitude toward household work and its satisfaction. Also the result didn't correspond with one another. So I think it requires need of further study how psychological and family function variables will have influence on housewife's self-esteem, the attitude toward household work and its satisfaction. 3) To recognized the value of household work objectively, many researchers tried to investigate of economical value of household work, But if housewife can realize her self-actualization through household work, it requires the study that try to objectively not only estimate the economic value of household work, but also the contribution of the aspect of family psychology.
$^{123}I$ has ideal half life of 13 hours, suitable 159 keV gamma energy for imaging, and easy labeling methods. In Korea Cancer Center Hospital, $^{123}I$ has been produced by MC-50 cyclotron. The purpose of this study is looking for good labeling condition of $^{123}I$ and $^{99m}Tc$ to nonspecific human polyclonal IgG, and comparing these with $^{67}Ga-citrate$ in the abscess bearing mice. Human polyclonal nonspecific IgG was labeled with 0.2 M phosphate buffer added $^{123}I$ by chloramine T method. Human polyclonat nonspecific IgG was labeled with $^{99m}Tc-gluconate$ after activation with $\beta-mercaptoethanol$. In the abscess bearing mice, the radioactivity in the abscess was higher in 24 hours than 6 hours after injection. In the abscess, $^{123}I$ nonspecific IgG had higher uptake than $^{99m}Tc-IgG\;or\;^{67}Ga-citrate$. There was no significant difference in absecess uptake of $^{123}I-IgG$ among 24, 72, 120 hours abscess age. Further clinical researches with $^{123}I-nonspecific$ IgG, and other immunoscintigraphies using $^{123}I$ are expected.
Park, Tae-Soon;Jeong, Hyung-Jae;Ko, Jin-A;Ryu, Young-Bae;Park, Su-Jin;Kim, Do-Man;Kim, Young-Min;Lee, Woo-Song
Journal of Microbiology and Biotechnology
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v.22
no.5
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pp.637-641
/
2012
TPDex, a putative dextranase from Thermoanaerobacter pseudethanolicus, was purified as a single 70 kDa band of 7.37 U/mg. Its optimum pH was 5.2 and the enzyme was stable between pH 3.1 and 8.5 at $70^{\circ}C$. A half-life comparison showed that TPDex was stable for 7.4 h at $70^{\circ}C$, whereas Chaetominum dextranase (CEDex), currently used as a dextranase for sugar milling, was stable at $55^{\circ}C$. TPDex showed broad dextranase activity regardless of dextran types, including dextran T2000, 742CB dextran, and alternan. TPDex showed the highest thermostability among the characterized dextranases, and may be a suitable enzyme for use in sugar manufacture without decreased temperature.
Cho, Won June;Yoon, Hee Seung;Kim, Yong Hyun;Kim, Jung Min;Yoo, Il Jae;Han, Man-Deuk;Bang, In Seok
Journal of Life Science
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v.23
no.8
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pp.989-997
/
2013
In this study, based on the antioxidative effects in organic solvent fractions obtained from the main methanolic extract of L. japonica, the protective cellular effects and gene expression patterns of ethyl acetate fractions on $H_2O_2$-induced Raw 264.7 cell death ($IC_{50}$) were analyzed. The antioxidant activity of the fractions measured using DPPH free radical scavenging activity increased in a dose-dependent manner, and the $ED_{50}$ exhibited the highest $39.56{\mu}g/ml$ in the ethyl acetate fraction. In addition, the ethyl acetate fractions' cell viability on $H_2O_2$-induced Raw 264.7 cell damage increased in a concentration-dependent manner, showed a visible cell survival rate of 82.49% at a concentration of $100{\mu}g/ml$. The gene expression patterns related to the ethyl acetate fractions' cytoprotective effect in $H_2O_2$-induced Raw 264.7 cell damage presented similar patterns to those of BHA. In comparative analysis for antioxidant activity-related genes affected by ethyl acetate fractions and BHA in $H_2O_2$-induced Raw 264.7 cells, both ethyl acetate fractions and BHA showed very similar gene expression patterns, but the gene expression level of the heme oxygenase 1 (Hmox1) gene making antioxidant enzymes in cells was four times higher in ethyl acetate fractions than BHA. In inflammation-related genes in $H_2O_2$induced Raw 264.7 cells, the T-box transcription factor (Tbx21) gene was expressed about two times more frequently in the ethyl acetate fraction treatment group, while it was expressed half as frequently in the BHA treatment group.
Purpose: ATP (adenosine triphosphate) is a potent coronary vasodilator with a rapid onset of action and a very short half-life. Myocardial perfusion scintigraphy with intravenous ATP has not yet been sufficiently proven in the diagnosis, follow-up, and risk stratification of coronary artery disease. The purpose of this study was to evaluate the safety, feasibility and diagnostic accuracy of pharmacologic stress thallium-201 myocardial SPECT using an intra-venous ATP infusion in patients with suspected coronary artery disease. Materials and Methods: Thallium-201 myocardial SPECT in 319 patients with suspected coronary artery disease were performed after the infusion of ATP (0.08 mg/kg/min for 6 min). The adverse effects were carefully monitored. Coronary angiography was also performed within 3 weeks. Results: Although 76.5% of the patients had some adverse effects, they were transient, mild, and well tolerated. In all patients, the ATP infusion protocol was completed and only 2 patients required aminophylline. The adverse effects were dyspnea in 63%, headache in 31%, flushing in 21%, chest pain in 14% and abdominal discomfort in 5% of the patients. The sensitivity and specificity were 80% and 90% respectively. Conclusion: Thallium-201 myocardial SPECT after 6 min-infusion of ATP at a rate of 0.08 mg/kg/min is safe and has a diagnostic value in detecting coronary artery disease.
Journal of the Korean Society of Food Science and Nutrition
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v.37
no.5
/
pp.612-617
/
2008
Tetrodotoxin (TTX) analogues were first determined from the liver extracts of puffer fish, Takifugu niphobles, by LC/MS with Hydrophilic Interaction Liquid Chromatography (HILIC). In total, 7 TTX analogues were detected within 20 minutes as follows; 5,6,11-trideoxyTTX (34.0%, 1,029.6 nmol/g), 6,11-dideoxyTTX (29.3%, 887.6 nmol/g), TTX (22.1%, 667.8 nmol/g), 4,9-anhydro-TTX (11.2%, 339.3 nmol/g), 11-deoxyTTX+5-deoxyTTX (2.6%, 78.6 nmol/g), and 4-epiTTX (0.8%, 23.6 nmol/g). Mouse toxicity of diluted liver extracts showed the highest toxicity at pH 3 (8.7 MU/mL) and decreased, as increasing pH, to 1.4 MU/mL at pH 10. At acidic (pH 5) and neutral conditions (pH 7), mouse toxicity of liver extracts (79 MU/mL) decreased slowly, as increasing temperature from $80^{\circ}C$ to $115^{\circ}C$, and time until 1 hour; in contrast, at the akaline condition (pH 9), the toxicity decreased rapidly to the more than half within 10 minutes. Individual toxicity of the fillet of T. niphobles were between $43.2{\sim}106.7$ MU, and $64{\sim}78%$ of its toxicity was eluted to soup when boiled with 3 volumes of water during 10 minutes.
Jung, Eun Jung;Gwak, Hye Sun;Choi, Jun Shik;Lee, Jin Hwan;Li, Xiuguo
Korean Journal of Clinical Pharmacy
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v.12
no.2
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pp.91-95
/
2002
The pharmacokinetics of intravenous paclitaxel (1 mg/kg) were investigated in rabbits with renal failure induced by folic acid. The area under the plasma concentration-time curve from time zero to time infinity (AUC) of paclitaxel was significantly (p<0.05) greater in rabbits with severe renal failure induced by folic acid $(1030\pm382)$ compared to that in rabbits with in moderate renal failure induced by folic acid $(780\pm209\;ng/ml{\cdot}hr)$. The apparent volume of distribution (Vd) $(0.008\pm0.002\;L/kg)$ and the elimination rate constant $(\beta)\;(0.09\pm0.025\;hr^{-1})$ of paclitaxel in rabbits with severe renal failure were significantly (p<0.05) smaller and slower respectively than those of control rabbits $(0.016\pm0.004\;L/kg,\;0.12\pm0.03\;hr^{-1})$, but not significantly different compared with that in rabbits with moderate renal failure $(0.010\pm0.003\;L/kg,\;0.10\pm0.026\;hr^{-1})$. total body clearance (CL) of paclitaxel in rabbits with severe renal failure $(0.97\pm0.183\;L/hr/kg)$ was significantly (p<0.05) slower than that in control rabbits $(1.68\pm0.440\;L/hr/kg)$, but not significantly different compared with that in rabbits with in moderate renal failure $(1.28\pm0.311\;L/hr/kg)$. The terminal half-life ($t_{1/2}$) of paclitaxel in rabbits with severe renal failure $(7.46\pm2.16\;hr)$ was significantly (p<0.05) longer than that in control rabbits $(5.75\pm1.44\;hr)$, but not significantly different compared to that in rabbits with moderate renal failure rabbits $(6.67\pm1.76\;hr)$. The above data could be at least partly decrease in due to paclitaxel excretion in rabbits with renal failure, since $7-15\%$ of interavenous paclitaxel was excreted via kidney as unchanged forms plus its metablites.
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