Kim Won-Ho;Park Seung-Hye;Song Sang-Kyu;Bae Kyung-Dong;Hur Byung-Ki
KSBB Journal
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v.20
no.4
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pp.266-270
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2005
The effect of the weight ratio of carbon source to nitrogen source on the growth and the composition change of fatty acids of Thraustochytrium aureum ATCC 34304 was investigated. The cell concentration of 5 days' culture increased and then decreased according to the increase of C/N, The ratioes for the maximum biomass were unique respectively and distributed between 1 and 4 with the initial sugar concentration in the range of 5 g/L to 25 g/L. The biomass yield, $Y_{x/s}$ decreased along with the increase of C/N, but maintained a constant value 0.35 between 10 and 20. The composition of myristic acid $(C_{14:0})$, one component of the lipid synthesized by T. aureum, was not affected with the change of C/N, but the composition of palmitic acid $(C_{16:0})$ was around $20\%$ below 4 of C/N and decreased to $15\%$ according to C/N about 4. The compositions of oleic acid $(C_{18:1})$ and linoleic acid $(C_{18:2})$ increased from 0 to $20\%\;and\;7\%$ respectively. The composition of $\gamma-linoleic$ acid $(C_{18:3})$, however, reduced from $5\%\;to\;2\%$. EPA $(C_{20:5})$ and DPA $(C_{22:5})$ showed a tendency of reduction in the weight composition according to the increase of C/N, but DHA $(C_{22:6})$ had a trend maintaining an approximately constant value, around $40\%$, irrespective of the change of C/N.
Journal of the korean academy of Pediatric Dentistry
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v.36
no.3
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pp.358-366
/
2009
Lactic acid bacteria worked positively on gastrointestinal tract and oral environment. So I selected commercial five fermented milks and milk, and then I evaluated their effect of growth inhibition and biofilm formation of cariogenic bacteria, Streptococcus mutans. And also calculated the acidity, buffering capacity, concentration of Ca and P ion and pH change of those drinks. After adding S. mutans to fermented milks viable cell count of S. mutans in milk was not statistically different but those in all fermented milks were decreased as concentration of fermented milk increased. When I measured the amount of formed biofilm in 10% fermented milks and milk with S. mutans and compared with those without S. mutans, the amount was decreased in Active GG and Bulgaris while being increased in Tootee, Ace and milk(P<0.05). The fermented milk with the lowest pH value was E5(3.48${\pm}$0.01), and the highest was Bulgaris(4.19${\pm}$0.02). pH change of the fermented milks and milk with S. mutans was measured. The highest acid producing fermented milk was Bulgaris, and followed by Active GG, Ace, Tootee, E5, Milk. These results indicated that fermented milks had caries activity due to the value of initial acidity and acid producing capacity. But, concentrated fermented milks had the inhibitory effect against S. mutans, and also had high volume of Ca and P ion that protected teeth. So I suggest that they have positive effect on teeth.
Journal of Physiology & Pathology in Korean Medicine
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v.23
no.2
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pp.512-519
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2009
Among patients who visited each clinical department for oriental medical treatments, anthropometric measurement, blood pressure, fasting blood glucose and blood lipid profile level were measured at their first initial visit. 55 subject patients who were diagnosed as having metabolic syndrome and 150 mg/dL or more of triglyceride were selected as subjects whose fasting blood glucose, triglyceride, total cholesterol, HDL cholesterol and LDL cholesterol were measured after fasting. According to each patient's disease, the subject received treatments such as herb medicine, acupuncture, moxibustion, cupping therapy, physical therapy and rehabilitation therapy from each clinical department, and after an average of 4.10${\pm}$0.31 weeks, another test was performed yielding the following results. Serum triglyceride was 243.72${\pm}$13.05 mg/dL before the oriental medical treatment and 188.11${\pm}$12.17 mg/dL after the treatment where although it continued to show an abnormal value even after the treatment, there was statistically significant decrease compared to pre treatment(P<0.05). Serum total cholesterol was 207.50${\pm}$5.89 mg/dL before the oriental medical treatment and 192.37${\pm}$5.53 mg/dL after the treatment which was statistically insignificant compared to pre treatment(P>0.05). Serum HDL cholesterol was 51.19${\pm}$3.95 mg/dL before the oriental medical treatment and increased to 52.53${\pm}$1.49 mg/dL after the treatment although it was statistically insignificant compared to pre treatment(P>0.05). Serum LDL cholesterol was 110.66${\pm}$5.86 mg/dL before the oriental medical treatment and decreased to 106.12${\pm}$4.82 mg/dL after the treatment although it was statistically insignificant compared to pre treatment(P>0.05). In regards to the change of triglyceride for each sex, it was 221.84${\pm}$14.01 mg/dL before the treatment and 187.00${\pm}$15.47 mg/dL after the treatment for men, and it was 271.50${\pm}$22.78 mg/dL and 189.53${\pm}$19.76 mg/dL respectively for women where even though men and women showed the decrease of 34.84${\pm}$12.79 mg/dL and 81.96${\pm}$20.01 mg/dL respectively, both men and women continue to show abnormal values after the treatments. However, there was statistically significant decrease compared to pre treatment(P<0.05). In regards to the change of total cholesterol for each sex, with 198.24${\pm}$7.60 mg/dL for men before the treatment and 188.93${\pm}$7.45 mg/dL after the treatment, values for both before and after the treatment were within the normal range where the change value was 9.30${\pm}$5.86 mg/dL and statistically insignificant(P>0.05). For women, it was 219.26${\pm}$8.87 mg/dL and 196.73${\pm}$8.43 mg/dL respectively for women where with 22.53${\pm}$7.60 mg/dL, it decreased to the normal level after the treatment, and there was a statistically significant decrease compared to pre treatment(P<0.05). With such results, serum triglyceride and cholesterol levels of patients who have been diagnosed as having metabolic syndrome were observed to decrease after the oriental medical treatment. Especially, for both men and women, abnormally high triglyceride level decreased while the effect of lipid profile improvement for women was more significant compared to men.
The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY
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v.10
no.1
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pp.8-18
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2005
We studied seasonal distribution of the microphytobenthos and their primary production with $C^{14}$ method and carried out pigment analysis with HPLC in an estuarine mudflat of the Ganghwa Island, Korea from May 2002 to April 2004. The abundances of microphytobenthos were higher at the middle than upper part and lower part of intertidal flat. Abundances of microphytobenthos ranged from $2.3{\times}10^5\;cells\;cm^{-2}$ to $140.9{\times}10^5\;cells cm^{-2}$. The bloom of microphytobenthos was observed in the early spring and then it decreased from spring to summer and autumn. The pennate diatom was a predominated group among the microphytobenthos in this area. The dominant species were Paralia sulcata, Cylindrotheca closterium and Nitzschia sp.. Nitzschia sp. and Cylindrotheca closterium were predominant in February. The results of pigment analysis suggest the presence of diatoms, euglenophytes, chlorophytes, cyanobacteria, cryptophytes, chrysophytes, prymnesiophytes, dinoflagellates and prasinophytes. The biomass of microphytobenthos ranged from 1.18 to 34.25 mg chl-a $m^{-2}$, with a mean of 7.60 mg chl-a $m^{-2}$. The mean ratio of Fuco/Chl a was 0.7 which indicates that most of biomasses of microphytobenthos were due to diatoms. The ratios of Chl b/Chl a ranged from 0 to 0.82(with a mean of 0.17), implying that euglenophytes and chlorophytes lived together in special period seasonally. Temporal variation of primary production ranged from 4.2 to 113.0 $mgC{\cdot}m^{-2}{\cdot}hr^{-1}$(mean value was 33.9 $mgC{\cdot}m^{-2}{\cdot}hr^{-1}$ and initial slope$({\alpha})$ was measured from 0.002-0.005$(mgC\;mgchl-a^{-1}\;hr^{-1}){\cdot}({\mu}E\;m^{-2}\;s^{-1})^{-1}$. Assimilation number$(P_m)$ was in the range of 0.50-1.32 $mgC{\cdot}mgChl-a{\cdot}hr^{-1}$ and daily primary production ranged from 20.9 to 678.1 $mgC{\cdot}m^{-2}{\cdot}d^{-1}$(mean value was 206.72 $mgC{\cdot}m^{-2}{\cdot}^{-1}$).
This study was conducted to evaluate the effects of non-specific immuno-stimulator(NIS) supplementation on growth performance and carcass characteristics in finishing pigs. A total of eighty[Duroc${\times}$Yorkshir${\times}$Landrace] pigs(60.55${\pm}$3.72 kg in average initial body weight) were used for a 9-week assay. Dietary treatments included as follows 1) CON(basal diet), 2) NIS1(basal diet for 6 weeks and 0.05% NIS for 3 weeks), 3) NIS2(basal diet for 3 weeks and 0.05% NIS for 6 weeks) and 4) NIS3(0.05% NIS for 9 weeks). Average daily gain during the feeding period was not significantly different among the treatments (p>0.05). However, average daily feed intake was higher in NIS2 than CON(p<0.05). Backfat thickness did not differ among the treatments(p>0.05). The appearance rate of A or B carcass grade was much higher in NIS1 (58%) and NIS3 (75%) than CON(50%) and NIS2(50%). L*(lightness) value of loin was higher in NIS1 and NIS3 than CON and NIS2. However, there was no effect by dietary NIS(p>0.05). Although a*(redness) value of loin was lower in CON than other treatments, there was no significant difference among the treatments(p>0.05). No remarkable differences were found in sensory properties(marbling, firmness and color) among the treatments. The results from the present study suggest that NIS could be an effective feed additive to improve pork quality. However, further research is needed to investigate effect of carcass characteristics.
Journal of the Korean Institute of Landscape Architecture
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v.41
no.6
/
pp.84-95
/
2013
Recently, to prevent damage to the landscape, outstanding landscape areas have been designated in advance. In particular, as a fundamental way to evaluate landscape elements, landscape diversity is an important criterion to assess an area with a high conservative value. Therefore, the purpose of this study is to develop a quantitative evaluation model of landscape diversity based on landscape elements and to verify the model by applying it to the study sites. The assessment indicators derived from the literature analysis are topography, vegetation, land-use pattern, and unusual landscape. Topography diversity is subdivided into land undulation and land-form. Vegetation diversity is subdivided into plant community diversity and stratification diversity. To quantitatively analyse each indicator's diversity, SHDI was selected as the central metric. All of the quantitative measures were implemented by using the statistical tool, FRAGSTATS. Through the process of each indicator's standardization and summary, the final landscape diversity index was calculated. The results of the study are significant as it was the initial study of landscape diversity evaluation to seek applicability. However, the results of the Landscape Diversity Evaluation Model in this study based on 4 indicators synthetically demonstrate that more than one or two outstanding indicators can be underrated. Therefore, each 4 assessment indicator results should be considered individually. Furthermore, using the maximum value for each indicator's standardization reflects that it is necessary to analyse various examples to obtain higher objectivity later.
Kim Joo Young;Kim Il Han;Ha Sung Whan;Park Charn Il
Radiation Oncology Journal
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v.11
no.1
/
pp.69-77
/
1993
Treatment of cerebellar medulloblastoma has been much improved with modern surgical technique for gross total tumor removal and adequate radiation therapy for the whole craniospinal axis. Questions have been arosen about the optimal radiation dose for the preventive treatment of whole cranium and whole spinal axis. Recently, many authors have reported their treatment results as comparable to older data, using lower than conventional dose of 3,600 cGy-4,000 cGy. For 50 patients treated between 1981 and 1990 at the Department of Radiation Therapy of SNUH, retrospective analysis was done for the treatment result, especially the neuraxis control, by radiation dose for the presymptomatic area of the disease. Analysis only by total spinal dose did not give any significant difference. But further analysis by following patient group; 3,600 cGy/150 cGy (n=6), 3,000 cGy/150 cGy (n=10), 2,400 cGy/150 cGy (n=17) and 2,400 cGy/100-120 cGy (n=11) showed significant improvement of neuraxis control by decreasing order (p =0.003). There was no significant difference in overall survival between the groups. For the 19 patients who had been confirmed initially as having no neuraxis disease, TDF 30 was the cur-off value that could prevent neuraxis failure (p =0.004). We couldn't define any TDF value that give reasonable control for the patient group with positive CSF study at initial diagnosis.
Purpose : Radiation-induced alteration in the immune function is well known phenomenon in cancer patients. Our purpose is to evaluate the extent of immune suppression immediately after mediastinal or pelvic irradiation, which include significant volume of active bone marrow in adults. Materials and Methods'48 cancer patients with mediastinal(N=29) and pelvic irradiation(N=19) were the basis of this analysis. Age ranged from 36 to 76 and mean and median value was 57 years, respectively Sex ratio was 1.3(M: F=27/21). The immunological parameters were the complete blood cell(CBC) with differential cell(D/C) count, T cell subset(CD3, CD4, CD8 CDl9), NK cell test(CDl6, CD56), and serum immunoglobulin(IgG, IgA, IgM) level. Results : The mean value of white blood cell(WBC) was reduced from 7017 to 4470 after irradiation(p=0.0000). In the differential count, the number of lymphocyte, neutrophil, and basophil was markedly reduced with statistical significance(p<0.01) and the number of monocyte was not changed and, on the contrary, that of eosinophil was increased by irradiation. In the lymphocyte subpopulation analysis, the number of all subpopulations, CD3(T cell), CD4(helper T cell), CD8(suppressor T cell), CDl6(NK cell), CDl9(B, cell) was reduced with statistical significance. The mean ratio of CD4 to CD8 in all patients was 1.09 initially and reduced to 0.99 after radiotherapy(p=0.34) , but the proportional percentage of all subpopulations was not changed except CD19(B cell) after irradiation. In the immunoglobulin study, initial values of Ig G, Ig A, and Ig M were relatively above the normal range and the only Ig M was statistically significantly reduced after radiotherapy(p=0.02). Conclusion : Mediastinal and pelvic irradiation resulted in remarkable suppression of lymphocyte count in contrast to the relatively good preservation of other components of white blood cells. But the further study on the functional changes of lymphocyte after radiotherapy may be necessary to conclude the effects of the radiation on the immunity of the cancer Patients.
The effect of medicinal herb Powder addition on the Physicochemical characteristics of tofujang preserved in kochujang and deonjang was investigated. The moisture contents of tofujang decreased rapidly till 4 weeks of storage, after which they showed a slight tendency to increase. The PH values of cochujang tofujang and deonjang tofujangs showed a tendency to decrease, but then showed a tendency to increase a little. The saltiness of tofujang increased rapidly till 2 weeks of storage, and then increased gently. The chromaticity of L and a values decreased, and that of b value significantly increased, during a storage. The total microbial counts of kochujang tofujang decreased till 4 weeks of storage, and then increased a little (103 CFU/ml). The total microbial counts of deonjang tofujang were decreased during storage. The total free amino acids content of silk-tofu was extremely small $(0.16\~0.92 mg/ml)$, but after 4 weekn of preservation, that of tofujang preserved in kochujang and deonjang increased to 10mg/ml and 40mg/ml, respectively In the kochujang tofujang, the textural characteristics of hardness, gumminess and chewiness increased rapidly at initial preservation and then showed a tendency to decrease significantly. The springiness and cohesiveness values showed no specific tendency. In the deonjang toking, the textural characteristics of hardness and gumminess increased till 2 weeks of preservation, and then tended to decrease. The springiness, chewiness and cohesiveness value had a tendency to decrease significantly with preservation. In the sensory evaluation, color, aftertaste and overall acceptability of mok-k tofujang showed significantly high score, but there was no significance in nutty taste, sweet, salty and hot. Color, savory, sweet and overall acceptability of mok-d and con-d tofujang were high, and the saltiness and aftertaste of sin-d tofujang got high score.
Kwon, O.S.;Cho, J. H.;Min, B. J.;Kim, H. J.;Chen, Y. G.;Yoo, J. S.;Kim, I. H.;La, J. C.;Park, H. K.
Food Science of Animal Resources
/
v.25
no.3
/
pp.316-321
/
2005
A total of ninety six pigs ($L{\times}Y{\times}D$, 20.92(2.13kg average initial body weight) were used in a 16-week performance growth assay to determine the effect of supplemental medicinal plane (Artemisia, Acanthopanax and Garlic) on growth performance, IGF-1 of serum and carcass characteristics in finishing pigs. The dietary treatments were included 1) CON (basal diet; Control), 2) MP1 (basal diet added $0.02\%$ of medicinal plant mixtures), 3) MP2 (basal diet added $0.04\%$ of medicinal plant mixtures) and 4) MP3 (basal diet added $0.06\%$ of medicinal plant mixtures). Through entire experimental period, as medicinal plants mixture (MP) increased, there was a decrease (linear, P<0.08) in average daily feed intake and an increase (linear, P<0.02; quadratic, P<0.08) in gain/feed. The backfat thickness tended to decrease in pigs fed MP diet compared to pigs fed CON diet (linear, P<0.09; quadratic, P<0.01). Increasing medicinal plane mixture tended to increase in IGF-1 content in serum (linear, P<0.09). The hunter $a^{*}$ (redness) (linear, P<0.01) and $b^{*}$ (yellowness) (linear, P<0.02) values of longissimus muscle were affected by the dietary MP treatments. The color of longissimus muscle was higher in the dietary MP treatments than that of the muscle in the control diet (linear, P<0.03). In conclusion, the result obtained from this feeding triad suggest that the medicinal plants mixture supplementation below $0.06\%$ in diets for growing-finishing pigs can be improved growth performance, IGF-1 and meat quality.
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