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Physiochemical and Organoleptic Properties of Feta Cheese Made from Goat Milk (산양유로 제조한 Feta 치즈의 이화학적 및 관능적 특성)

  • 강석남;박승용
    • Journal of Animal Science and Technology
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    • v.48 no.2
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    • pp.293-306
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    • 2006
  • We characterized physicochemical properties and examined the organoleptic and textural evaluations of Feta cheese made from goat's milk. Nutritional compositions of goat Feta cheese were fat 23.50%, protein 11.03% with moisture content of 59.54%. Cell numbers of lactic starter cultures in Feta cheese maintained from log 8.46 CFU/g and pH 5.76 during storage at 4℃ for 14 day's aging. The color of Feta cheese was whitish (L. 93.19) at after finishing brine salting, but became a little yellowish(b. 3.52) (a. -0.71). For texture profile analysis of goat Feta cheese, hardness, fracturability springness, and cohesiveness seemed to be week, but adhesiveness gumminess, chewiness, and resilience were enhanced as aging times extended to 14days, resulted in the overall textural properties was to be superior to control cheese(commercial Mozzarella cheese). Organoleptic evaluations were examined based on the intensities and the preferences for flavour, tastes, texture and mouth feeling. saltiness, bitterness and acidity were stronger in the intensities than control cheese, but the preferences were enhanced by aging to be better than control cheese at 14 days and later on, however, the texture changed to be weaker in hardness and unpleasant in mouthfeel. The fatty acid compositions of Feta cheese analysed by Gas chromatography were saturated fatty acid 42.06%, monoenoic acids 29.67%, di-enoic acids 24.24%, tri-enoic acids 1.21%.

Alexithymia in Major Depressive Disorder and Subclinical Depression (주요 우울장애와 준임상적 우울증에서의 감정표현불능증)

  • Kim, Seog-Ju;Yu, Seung-Hee;Kim, Seong-Youn;Kim, Dong-Wook;Cho, In-Hee;Cho, Seong-Jin
    • Korean Journal of Psychosomatic Medicine
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    • v.15 no.2
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    • pp.100-106
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    • 2007
  • Objectives : The objective of the present study was to investigate alexithymia in major depressive disorder(MDD) and subclinical depression(SCD). Methods : Three hundred eighty-six community-dwelling adults(238 females and 148 males, age 19-79; mean age $43.0{\pm}13.9$) were recruited. Structured clinical Interview for DSM-IV(SCID) was conducted for the diagnosis of MDD or other Axis I psychiatric disorders. The Center for Epidemiological Studies for Depression Scale(CES-D) and the Totonto Alexithymia Scale(TAS) were administered to assess depressive symptom and alexithymia, respectively. Among subjects without MDD, those who had minor depressive disorder on the SCID or high scores(i.e. over 16) on the CES-D were defined as subjects with SCD. TAS total score and factor I, II, III scores of TAS in MDD, SCD, and non-depressive controls were compared. Results : Among 386 subjects, 38 subjects(9.8%) were diagnosed as MDD by DSM-IV criteria, while 57 subjects(14.8%) were classified into SCD group. There were significant differences between 3 groups(MDD, SCD and non-depressive controls) in total score($F_{2,383}=14.0$, p<0.01), factor I(difficulty in identifying feeling)($F_{2,383}=23.4$, p<0.01) and factor II(difficulty in describing feeling)($F_{2,383}=7.8$, p<0.01), but not factor III(external oriented thinking)($F_{2,383}=1.8$, p=0.16) of TAS. In post-hoc analysis, both MDD subjects and SCD subjects had higher scores in TAS total, factor I and factor II, compared to non-depressive controls(all p<0.01). In contrast, there were no significant differences between MDD subjects and SCD subjects in any TAS factor. Conclusion : In this study, both MDD subjects and SCD subjects were more alexithymic than non-depressive control subjects. These findings suggest that SCD, as well as MDD, is also related to alexithymia.

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Preparation and Characterization of Seasoned Salmon Powder (조미 연어 분말 식품의 제조 및 특성)

  • Heu, Min-Soo;Kim, Jin-Soo
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.37 no.10
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    • pp.1323-1329
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    • 2008
  • For the development of new products using salmon, development of seasoned salmon powder was attempted and its characteristics were also examined. In the seasoned salmon powder prepared in this experiment (product P), the proximate composition was 42.1% moisture, 30.3% protein, 18.9% lipid, and 6.2% ash, and the Hunter color value showed 68.14 for the lightness, 7.86 for the redness, 19.13 for the yellowness and 35.12 for the color difference. TCA soluble-N content of product P was 360 mg/100 g, which is higher than that of commercial product (234 mg/100 g). In taste values, total value was 2.2 times higher in product P than in commercial product, and their major free amino acid was only glutamic acid. In both product P and commercial product, the major fatty acids were 16:0, 18:1n-9, 18:2n-6, and 22:6n-3. Total content of amino acid was higher in the product P (29.05 g/100 g) than in commercial product (20.79 g/100 g), and their major amino acids were aspartic acid, glutamic acid, leucine, and lysine. The results of sensory evaluation on the taste, color, and flavor showed that product P was superior to commercial product.

A COMPARATIVE STUDY OF PARENTAL REARING BEHAVIORS BETWEEN CONDUCT DISORDER AND NORMAL ADOLESCENTS (청소년 품행장애와 부모양육행동과의 관계에 대한 연구)

  • Kim, Kyung-Bin;Lee, Jong-Il;Jhin, Hea-Kyung
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.9 no.1
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    • pp.67-81
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    • 1998
  • Objective:There is increasing interest in the developmental relationship of parental psychopathology and parenting behavior and conduct disorder in adolescence. The object of this study is to investigate the role of parental rearing behaviors in influencing conduct disorder in adolescence comparing with normal adolescents. Methods:The author assessed 52 conduct disorder who met the DSM-Ⅳ criteria, and 144 normal control subjects using self-report questionnaires, 'The Parental Rearing Behavior Scale'. Results:The results of study were as follows:1) There is significant correlation between the conduct disorder group and the control group in the father’s anxious emotion subscale, not mother’s. 2) There is no significant correlation between the conduct Disorder group and the control group in other subscales such as affection, hostility, rational guideline and consistent limitation subscales. Conclusion:The results suggest that father’s psychopathology including overanxious parenting style will predispose a risk factor for conduct disorder than mother’s psychopathology.

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Clinical Efficacy and Safety of Controlled Distraction-Compression Technique Using Expandable Titanium Cage in Correction of Posttraumatic Kyphosis

  • Kang, Dongho;Lewis, Stephen J;Kim, Dong-Hwan
    • Journal of Korean Neurosurgical Society
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    • v.65 no.1
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    • pp.84-95
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    • 2022
  • Objective : To investigate the clinical efficacy and safety of the controlled distraction-compression technique using an expandable titanium cage (ETC) in posttraumatic kyphosis (PTK). Methods : We retrospectively studied and collected data on 20 patients with PTK. From January 2014 to December 2017, the controlled distraction-compression technique using ETC was consecutively performed in 20 patients with PTK of the thoracolumbar zone (range, 36-82 years). Among them, nine were males and 11 were females and the mean age was 61.5 years. The patients were followed regularly at 1, 3, 6, and 12 months, and the last follow-up was more than 2 years after surgery. Results : The mean follow-up period was 27.3±7.3 months (range, 14-48). The average operation time was 286.8±33.1 minutes (range, 225-365). The preoperative regional kyphotic angle (RKA) ranged from 35.6° to 70.6° with an average of 47.5°±8.1°. The immediate postoperative mean RKA was 5.9°±3.8° (86.2% correction rate, p=0.000), and at the last follow-up more than 2 years later, the mean RKA was 9.2°±4.9° (80.2% correction rate, p=0.000). The preoperative mean thoracolumbar kyphosis was 49.1°±9.2° and was corrected to an average of 8.8°±5.3° immediately after surgery (p=0.000). At the last follow-up, a correction of 11.9°±6.3° was obtained (p=0.000). The preoperative mean back visual analog scale (VAS) score was 7.9±0.8 and at the last follow-up, the VAS score was improved to a mean of 2.3±1.0 with a 70.9% correction rate (p=0.000). The preoperative mean Oswestry disability index (ODI) score was 32.3±6.9 (64.6%) and the last follow-up ODI score was improved to a mean of 6.85±2.9 (3.7%) with a 78.8% correction rate (p=0.000). The overall complication was 15%, with two of distal junctional fractures and one of proximal junctional kyphosis and screw loosening. However, there were no complications directly related to the operation. Conclusion : Posterior vertebral column resection through the controlled distraction-compression technique using ETC showed safe and good results in terms of complications, and clinical and radiologic outcomes in PTK. However, to further evaluate the efficacy of this surgical procedure, more patients need long-term follow-up and there is a need to apply it to other diseases.

Improving the Nutritive Value of Full-Fat Rice Bran for Broiler Chickens Using a Lipase-Based Enzyme Preparation

  • Tan, S.H.;Thomas, D.V.;Camden, B.J.;Kadim, I.T.;Morel, P.C.H.;Pluske, J.R.
    • Asian-Australasian Journal of Animal Sciences
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    • v.13 no.3
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    • pp.360-368
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    • 2000
  • Two experiments were conducted to test the hypothesis that a lipase-based enzyme preparation would increase the AME content of full-fat rice bran (FFRB) by increasing fat digestibility when fed to broiler chickens. Experiment 1 used FFRB from Australia and lasted for 35 days, while Experiment 2 used FFRB from Thailand and lasted for 14 days. Rice bran was substituted in a maize-soybean diet at levels of 90 g/kg (Experiment 1) and at 90 and 180 g/kg in Experiment 2. Total collections of excreta were used for determination of AME content and fat digestibility. In Experiment 1, the enzyme increased the AME content of FFRB between days 4-7, 18-21 and 32-35 by 6.1-16.1% (p>0.05), however this was not associated with improved fat digestibility. In Experiment 2, the enzyme enhanced the AME content of FFRB between days 4-7 (10.42 vs. 9.06, p=0.107) and 11-14 (11.94 vs. 9.93, p=0.041), but again, this was not caused by increased fat digestibility. Inclusion of 180 g/kg depressed the AME content of FFRB by 7.4-11.5% (p>0.10) in conjunction with decreased (p<0.05) fat digestibility between 0-14 days of age. Improvements in bird growth with the enzyme were seen in Experiment 2 but not in Experiment 1. Increases in AME content of FFRB per se were not caused by enhanced fat digestibility, suggesting that the side activities associated with the preparation must have acted singularly or in combination to improve AME content and bird performance. These data show that the response of FFRB to the lipase-based enzyme preparation was dependent upon the geographical origin of the rice bran and the level of FFRB substituted in the basal diet.

Arabidopsis MORC1 and MED9 Interact to Regulate Defense Gene Expression and Plant Fitness

  • Ji Chul Nam;Padam Shekhar Bhatt;April Bonnard;Dinesh Pujara;Hong-Gu Kang
    • The Plant Pathology Journal
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    • v.40 no.5
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    • pp.438-450
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    • 2024
  • Arabidopsis MORC1 (Microrchidia) is required for multiple levels of immunity. We identified 14 MORC1-interacting proteins (MIPs) via yeast two-hybrid screening, eight of which have confirmed or putative nuclear-associated functions. While a few MIP mutants displayed altered bacterial resistance, MIP13 was unusual. The MIP13 mutant was susceptible to Pseudomonas syringae, but when combined with morc1/2, it regained wild-type resistance; notably, morc1/2 is susceptible to the same pathogen. MIP13 encodes MED9, a mediator complex component that interfaces with RNA polymerase II and transcription factors. Expression analysis of defense genes PR1, PR2, and PR5 in response to avirulent P. syringae revealed that morc1/2 med9 expressed these genes in a slow but sustained manner, unlike its lower-order mutants. This expression pattern may explain the restored resistance and suggests that the interplay of MORC1/2 and MED9 might be important in curbing defense responses to maintain fitness. Indeed, repeated challenges with avirulent P. syringae triggered significant growth inhibition in morc1/2 med9, indicating that MED9 and MORC1 may play an important role in balancing defense and growth. Furthermore, the in planta interaction of MED9 and MORC1 occurred 24 h, not 6 h, post-infection, suggesting that the interaction functions late in the defense signaling. Our study reveals a complex interplay between MORC1 and MED9 in maintaining an optimal balance between defense and growth in Arabidopsis.

Seasonal Acclimatization in Summer versus Winter to Changes in the Sweating Response during Passive Heating in Korean Young Adult Men

  • Lee, Jeong-Beom;Kim, Tae-Wook;Min, Young-Ki;Yang, Hun-Mo
    • The Korean Journal of Physiology and Pharmacology
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    • v.19 no.1
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    • pp.9-14
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    • 2015
  • We investigated the sweating response during passive heating (partial submersion up to the umbilical line in $42{\pm}0.5^{\circ}C$ water, 30 min) after summer and winter seasonal acclimatization (SA). Testing was performed in July during the summer, 2011 [summer-SA; temp, $25.6{\pm}1.8^{\circ}C;$ relative humidity (RH), $82.1{\pm}8.2%$] and in January during the winter, 2012 (winter-SA; temp, $-2.7{\pm}2.9^{\circ};$ RH, $65.0{\pm}13.1%$) in Cheonan ($126^{\circ}52^{\prime}N$, 33.38'E), Republic of Korea. All experiments were carried out in an automated climatic chamber (temp, $25.0{\pm}0.5^{\circ}C$: RH, $60.0{\pm}3.0%$). Fifteen healthy men (age, $23.4{\pm}2.5$ years; height, $175.0{\pm}5.9cm;$ weight, $65.3{\pm}6.1kg$) participated in the study. Local sweat onset time was delayed during winter-SA compared to that after summer-SA (p<0.001). Local sweat volume, whole body sweat volume, and evaporative loss volume decreased significantly after winter-SA compared to those after summer-SA (p<0.001). Changes in basal metabolic rate increased significantly after winter-SA (p<0.001), and tympanic temperature and mean body temperature were significantly lower after summer-SA (p<0.05). In conclusion, central sudomotor acitivity becomes sensitive to summer-SA and blunt to winter-SA in Rebubic of Korea. These results suggest that the body adjusts its temperature by economically controlling the sweating rate but does not lower the thermal dissipation rate through a more effective evaporation scheme after summer-SA than that after winter-SA.

Difference in Right Ventricular Function between Post-tuberculosis Emphysema and Primary Emphysema (결핵후 폐기종과 원발성 폐기종에서 우심질 기능의 차이)

  • Kim, Myung-A;Kim, Sang-Hyun;Chung, Hee-Soon
    • Tuberculosis and Respiratory Diseases
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    • v.51 no.2
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    • pp.97-107
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    • 2001
  • Background : Tuberculosis itself causes not only lung parenchymal destruction but also pulmonary vascular damage. Secondary emphysema also causes pulmonary vascular damage, which can develop as a late sequela of pulmonary tuberculosis. Therefore, pulmonary circulatory impairment tends to be more severe in post-tuberculosis emphysema than in primary emphysema. In post-tuberculosis emphysema, the right ventricular function may play an important role. However, little information regarding the right ventricular function is available. The purpose of this study was to evaluate and compare the right ventricular function between post-tuberculosis emphysema and primary emphysema. Method: Post-tuberculosis emphysema(PTE) or primary emphysema(PE) was diagnosed by history, HRCT finding and pulmonary function. Twenty patients with post-tuberculosis emphysema were matched with 20 patients with primary emphysema according to both $FEV-1$ and FVC. Arterial blood gas analysis and echocardiography were done at rest and immediately after symptom-limited exercise. The right ventricular function was evaluated with the right ventricular ejection fraction using a modification of Simpson's method. Results : There was no significant difference in the demographics and pulmonary function between the two groups. In post-tuberculosis emphysema, the $PaCO_2$ was higher ($42.9{\pm}4.7$ vs $38.8{\pm}3.1\;mmHg$ at rest; $47.9{\pm}7.0$ vs $41.1{\pm}5.9\;mmHg$ after exercise; p<0.01) and the right ventricular ejection fraction was lower ($57.6{\pm}6.5$ vs $61.4{\pm}4.7%$ at rest; $51.1{\pm}10.8$ vs $59.8{\pm}6.6%$ after exercise; p<0.01) both at rest and after exercise. The $PaCO_2$ after exercise was also lower ($65.7{\pm}12.6$ vs $80.2{\pm}14.4\;mmHg$, p<0.01), while the Pa02 at rest tended to be lower($82.9{\pm}12.0$ vs $87.8{\pm}7.5$, p>0.05). In both groups, right ventricular ejection fraction correlated with the $PaCO_2$ after exercise(PTE r=0.536, PE r=0.557), and the $PaCO_2$ at rest(PTE r=-0.576, PE r=-0.588) and after exercise(PTE r=-0.764, PE r=-0.619). Conclusion : Impairment of the right heart function and gas exchange were more serious in post-tuberculosis emphysema than in primary emphysema, and gas exchange may be influenced by the right ventricular function in post-tuberculosis emphysema.

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Chromosomal Studies of Eight Species of Bradybaenidae in Korea (한국산 달팽이과 (Bradybaenidae) 8종의 염색채 연구)

  • 이준상;권오길
    • The Korean Journal of Malacology
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    • v.9 no.2
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    • pp.30-43
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    • 1993
  • The number of chronosomes and karyotypes in eight species of the family Bradybaenidae were analyzed by air-drying method using gonad. The mitotic haploid chromosome numbers of Acusta despecta sieboldiana were 29 and conisisted of 12 pairs metacentric, 17 pairs submetacentric chromosomes. The mitotic haploid chromosomes were 29 and 11 pairs metacentric and 17 pairs submetacentric and 1 pair telocentric chromosomes in Koreanohadra kurodana; 29 and 10 pairs metacentric chromosomes in K. koreana' 29 and 10 pairs metacentric and 18 pairs submetacentric, and 1 pair acrocentric chromosomes in Karaftohelix adamsi; 28and 10 pairs metacentric, and 18 pairs submetacintric chromosomes in Aegista chosenica; 28 and 14 pairs metacentric and 14 pairs submetacentric chromosomes in A.(Plectotropis) diversa; 28 and 15 pairs metacentric, 10 pairs submetacentric and 3 pairs acrocentric chromosomes in A. (p.)quelpartinsis; 29 and 12 pairs metacentric and 9 pairs submetacentric and 2 pairs telocentric chromosomes in Nesiohelix samarangae.

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