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Physicochemical properties of spray-dried rice flour with Lactobacillus plantarum CGKW3 (분무건조공정을 이용한 유산균포집 미분의 제조 및 물리화학적 특성)

  • Park, Hye-Mi;Lee, Dae-Hoon;Jeong, Yoo-Seok;Jung, Hee-Kyoung;Cho, Jae-Gon;Hong, Joo-Heon
    • Food Science and Preservation
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    • v.22 no.3
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    • pp.392-398
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    • 2015
  • The physicochemical properties of spray-dried rice flour with Lactobacillus plantarum CGKW3 were investigated. Amylose and damaged starch contents of spray-dried rice flour (S10, S20, S30, and S50) with L. plantarum CGKW3 were 14.18~17.75% and 24.65~34.08%, respectively. The particle size of spray-dried rice flour was $82.28{\sim}131.17{\mu}m$. The rice flour with L. plantarum CGKW3 showed a good powder flowability. The water absorption and water solubility of spray-dried rice flour were 1.96~2.13 and 9.91~21.95%, respectively. Thermal properties measured by differential scanning calorimeter revealed that the enthalpy (${\Delta}H$) for starch gelatinization were highest in the rice flour (S50) with L. plantarum CGKW3. When compared, the viable cell number of spray-dried rice flour were found to be in the following order: S10 (5.78 log CFU/g) < S20 (6.38 log CFU/g) < S30 (6.69 log CFU/g) < S50 (7.11 log CFU/g). The survaival rate of L. plantarum CGKW3 was 60.02-73.85%, which reflected the improvement in the quality of rice flour with an increase in treatment concentration. Based on our results, spray-dried rice flour with L. plantarum CGKW3 could be used in various types of rice foods.

Physico-chemical Characteristics of Seasoned Pork Prepared with Medicinal Plant Extracts During Storage (한약재 추출물을 첨가한 양념 돈육의 저장 중 이화학적 특성)

  • Cho, Hee-Sook;Shin, Jung-Hye;Choi, Duk-Ju;Lee, Soo-Jung;Kang, Min-Jung;Sung, Nak-Ju
    • Journal of Life Science
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    • v.18 no.1
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    • pp.38-45
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    • 2008
  • The seasoned pork loin manufactured using with seasoning sauce that were prepared with 3 different composites of medicinal plant extracts ($T-1{\sim}3$). The the quality characteristics were investigated during storage at $4^{\circ}C$ for 15 days. Sensory evaluation was higher in medicinal plant extracts added seasoning pork, in particular, significantly highest in group T-1. Lightness ($L^*$) value tended to decrease with increasing storage days, redness ($a^*$) was significantly higher in the medicinal plant composites added groups (T-1, 2 and 3) than control, yellowness ($b^*$) had no significant difference among three groups added medicinal paint composites. In hardness test, raw pork (control) was lower than seasoned pork groups, but tended to increase by added medicinal plant composites. Cooking loss increased with increasing storage period, but there was no significant difference between the seasoned pork groups ($T-0{\sim}3$). The changes of pH showed lower in control than seasoned pork groups ($T-0{\sim}3$) added seasoning sauce. Moisture content decreased with increasing storage period. VBN content increased during storage. After storage for 15 days, it was significantly higher in the order of T-3 >> T-0 > T-2 > T-1.

Comparison of clinical and laboratory characteristics in children with type 1 diabetes according to pancreatic autoantibodies (췌장 자가 항체 유무에 따른 제 1형 당뇨병의 임상 및 검사 소견의 비교)

  • Choi, Ji Hae;Kim, Min Sun;Kim, Chan Jong;Kim, Jong Duk;Lee, Dae-Yeol
    • Clinical and Experimental Pediatrics
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    • v.53 no.3
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    • pp.414-419
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    • 2010
  • Purpose : The purpose of this study was to determine whether there is any difference in the clinical and laboratory characteristics of patients with autoantibody-positive and patients with autoantibody-negative type 1 diabetes at initial presentation. Methods : We analyzed 96 patients under 18 years of age with newly diagnosed type 1 diabetes. One or both of the pancreatic autoantibodies-glutamic acid decarboxylase autoantibodies (GADA) and insulin autoantibody (IAA)-were measured in all patients, and we reviewed clinical and laboratory characteristics according to the presence of these autoantibodies. Results : GADA was examined in 48 of 87 patients, and 55.2% of patients were positive. IAA was checked in 88 patients, and 39.8% were positive. Both GADA and IAA were measured in 83 patients, and 22.8% had both antibodies. The patients who had one or both autoantibodies (autoantibody-positive group) were younger than those not having any autoantibody (autoantibody-negative group). The autoantibody-positive group had lower BMI, corrected sodium level, and serum effective osmolarity, compared to the autoantibody-negative group (P <0.05). Similar differences were found between the GADA-positive and GADA-negative groups. However, there were no significant differences between the IAA-positive and IAA-negative groups. Conclusion : The prevalence of pancreatic autoantibodies was significantly higher in the under-6 years age group than in the other age groups. These findings suggest that measurement of autoantibodies at the initial diagnosis of diabetes is very useful for detecting immune-mediated type 1 diabetes and providing intensive insulin therapy, especially in younger children.

Antimicrobial and Antioxidant Activity of the Discorea alata L. (Discorea alata L.의 항균 및 항산화 활성)

  • Kwon, Jeong-Eun;Kwon, Jung-Bae;Kwun, In-Sook;Sohn, Ho-Yong
    • Microbiology and Biotechnology Letters
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    • v.38 no.3
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    • pp.283-288
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    • 2010
  • Yam (Dioscorea spp.) has been used as important edible and medicinal natural resource in worldwide and D. alata L. is most popular nourishment among the yam. In this study the composition, color, antioxidation and antimicrobial activity of D. alata Gyeongbuk No. 6 (GB-6), which was established in Gyeongbuk Agricultural Research & Extension Services, Andong, Korea, was compared to those of D. batatas Gyeongbuk No. 1 (GB-1), a major domestic cultivation species. Water content of GB-6 was $78.02{\pm}0.16%$, which is slightly lower than that of GB-1 ($82.6{\pm}0.07%$). The contents of crude protein, crude fat, crude fiber and ash of GB-6 were 0.95, 0.26, 0.85 and 0.70%, whereas those of GB-1 were 1.58, 0.15, 1.39 and 0.88%, respectively. Analysis of color using colormeter showed that the GB-6 is slight dark-yellow than GB-1, and total polyphenol content of GB-6 was 2-fold higher compared than that of GB-1. Sequential organic solvent fractions from methanol extract of GB-6 showed that the ethylacetate fraction has highest total polyphenol ($144.1{\pm}3.20\;mg/g$). Determination of antioxidation activity showed that the ethylacete fraction and water fraction has strong DPPH radical scavenging activity ($IC_{50}=78.32\;{\mu}g/mL$) and reducing power, respectively. In antimicrobial activity assay, the n-hexane and ethylacetate fraction showed antibacterial activity against B. subtilis, L.monocytogenes, S. epidermidis, S. aureus, P. vulgaris, and S. typhimurium. These results provide the possibility of domestic cultivated D. alata GB-6 as a healthy food.

The Effect of Acupuncture Treatment on the Heart Rate Variability of Chronic Headache Patients (만성두통환자에 대한 침치료가 심박변이도에 미치는 영향)

  • Jung, In-tae;Lee, Sang-hoon;Kim, Su-young;Cha, Nam-hyun;Kim, Keon-sik;Lee, Doo-ik;Lee, Jae-Dong;Lim, Sabina;Lee, Yun-ho;Choi, Do-young
    • Journal of Acupuncture Research
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    • v.22 no.3
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    • pp.105-112
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    • 2005
  • Obiective : The purpose of this study was to assess the effect of acupuncture treatment for chronic headache patients using power spectrum analysis of the heart rate variability(HRV). Methods : 15 clinical experiment participants were gathered and through a questionnaire patients who experienced headache for more than 4 hours a day and more than IS days per month were qualified as Chronic Headache patients. Treatment was afplied 2 times a weeks for 8 weeks. The acupoints, GV2O, HN23, ST8, HN46, TEl7, GB2O, LI2O, LI11, LI14, ST36, and LR3 were stimulated for 20 minutes. The effects of acupuncture treatment were analyzed using power spectrum analysis of the HRV. HRV was recorded before and after acupuncture treatment. Results : HRV before and after treatment was compared after 8 weeks of acupuncture treatment. Increase in mean values of SDNN and RMSSD were observed but the increases were not statistically significant. Increase in mean values of TP, LF and HF were observed but, the increase was significant(p<0.05) only in TP. Conclusions : The results suggest that acupuncture treatment on chronic headache patients can increase the activity of autonomic nervous system. Further use of HRV for quantitative analysis of acupuncture treatment on autonomic nervous system related symptoms is suggested.

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Quality characteristics and antioxidant activity of drink prepared with black garlic and Oenanthe javanica DC (흑마늘과 미나리를 이용하여 제조한 음료의 품질 및 항산화 특성)

  • Jeong, Tae-Seong;Kim, Jin-Hak;An, Sin-Ae;Won, Yong-Duk;Lee, Shin-Ho
    • Food Science and Preservation
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    • v.21 no.2
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    • pp.193-198
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    • 2014
  • The quality and antioxidative characteristics of drinks prepared with different mixing ratios of black garlic and Oenanthe javanica DC., BD-1 (black garlic only), BD-2 (black garlic:Oenanthe javanica DC.=2:1), BD-3 (black garlic:Oenanthe javanica DC.=1:1), and BD-4 (black garlic:Oenanthe javanica DC.=1:2), were studied. The pH increased with the increasing concentration of Oenanthe javanica DC. extract in all the tested drinks, but the sugar contents decreased. The total polyphenol contents of the drinks were 28.48 ${\mu}g/mL$ (BD-1), 41.91 ${\mu}g/mL$ (BD-2), 42.36 ${\mu}g/mL$ (BD-3), and 46.96 ${\mu}g/mL$ (BD-4). The SOD-like activity was highest for BD-4 (18.60%), followed by BD-3 (15.53%), BD-2 (12.53%), and BD-1 (10.27%). The thiobarbituric acid reactive substances (TBARS) was highest for BD-4 (52.51%), followed by BD-3 (45.70%), BD-2 (39.44%), and BD-1 (28.72%). The ferrous ion chelating activity increased with the increasing concentration of Oenanthe javanica DC extract, and BD-4 showed the best activities among all the tested drinks. The water-soluble vitamin content (vitamins B1, B2, B6, and C) of BD-4 (1197.77 ${\mu}g/mL$) was higher than those of the other drinks (BD-1, 213.02 ${\mu}g/mL$; BD-2, 477.87 ${\mu}g/mL$; BD-3, 914.72 ${\mu}g/mL$), and the vitamin C (806.21 ${\mu}g/mL$) content of the water-soluble vitamins at BD-4 was higher than those of vitamins B1 (68.04 ${\mu}g/mL$), B2 (312.51 ${\mu}g/mL$), and B6 (11.01 ${\mu}g/mL$). BD-4 showed the best score in the sensory evaluations, such as in the evaluation of the color, flavor, taste, and overall acceptability.

The Measurement of Normal Talus in Korean Cadaver (한국인 사체에서의 정상 거골의 실측)

  • Ha, Dong-Jun;Gwak, Heui-Chul;Kim, Jeon-Gyo;Kim, Jung-Han;Lee, Chang-Rak;Kim, Young-Jun;Lee, Jeong-Han;Ha, Byung-Ho;Kim, Ui-Cheol
    • Journal of Korean Foot and Ankle Society
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    • v.20 no.4
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    • pp.163-169
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    • 2016
  • Purpose: To investigate the measured values of the talus in Koreans. Materials and Methods: We measured 88 tali from 44 cadavers that have been donated between December 2012 and December 2015. Of the cadavers, 27 were male and 17 were female. Their mean age was 73 years. The length and width of the talus were measured using a digital goniometer and vernier caliper. Results: The values of cadaveric measurement, mean maximal width and length, width and length of the dome anterior, width and length of the posterior facet, height and length of the trochlear medial facet, and height and length of the trochlear lateral facet were $43.6{\pm}2.6mm$, $56.5{\pm}3.3mm$, $32.5{\pm}2.0mm$, $42.2{\pm}2.7mm$, $22.2{\pm}2.2mm$, $34.7{\pm}2.0mm$, $15.3{\pm}1.3mm$, $33.3{\pm}2.9mm$, $25.3{\pm}3.3mm$, and $30.8{\pm}2.4mm$ for men and $38.9{\pm}1.6mm$, $53.6{\pm}2.4mm$, $27.9{\pm}2.1mm$, $37.4{\pm}3.2mm$, $20.6{\pm}0.8mm$, $31.9{\pm}1.2mm$, $13.6{\pm}2.6mm$, $28.4{\pm}2.5mm$, $24.9{\pm}2.1mm$, and $28.9{\pm}1.4mm$ for women, respectively. The size of the talus showed an accuracy of 86% when anteroposterior diameter was greater than 59 mm. A difference in the size of the right and left talus was not observed. The mean inclination and declination angles were $24.4^{\circ}{\pm}4.2^{\circ}$ and $28.2^{\circ}{\pm}5.4^{\circ}$ for men, and $24.6^{\circ}{\pm}3.6^{\circ}$ and $24.7^{\circ}{\pm}6.7^{\circ}$ for women (p=0.980, p=0.018), respectively, at least $15^{\circ}$, which showed a big difference for every object up to $37^{\circ}$. Conclusion: This paper, to the best of our knowledge, is the first study to measure the talus in Koreans. There were differences by gender and ethnicity in the in measured talus values. The measurements were smaller than European-Americans and greater than Japanese.

Supplemental Value of the Wrist-Worn Actigraphy in Diagnosing the Obstructive Sleep Apnea Syndrome (폐쇄성 수면무호흡증 진단에서 손목부착형 활동기록기의 보조적 진단가치)

  • Im, Mee-Hyang;Shin, Hong-Beom;Lee, Yu-Jin;Lee, Seung-Hi;Won, Chang-Yeon;Lee, Myung-Hee;Lee, Soo-Young;Jeong, Do-Un
    • Sleep Medicine and Psychophysiology
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    • v.12 no.1
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    • pp.32-38
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    • 2005
  • Objectives: Obstructive sleep apnea syndrome (OSAS) has drawn increasing attention as medical community has become to be aware of its co-morbidities and complications, especially cardiovascular complications and excessive daytime sleepiness with accident proneness. As of now, polysomnography is the standard tool to diagnose sleep apnea and estimate the treatment validity. However, its being rather expensive and inconvenient, alternate diagnostic tools have been proposed including wrist actigraphy. So far, actigraphies have been adopted usefully to field-survey sleep apnea prevalence. In this study, we attempted in a sleep laboratory setting to assess the supplemental value of actigraphy in diagnosing OSAS. Methods: This study was done at the Division of Sleep Studies, the Seoul National University Hospital. Thirty-seven clinically suspected cases of OSAS underwent the one-night polysomnography, simultaneously wearing an actigraphy on non-dominant wrist. We analyzed the data of 27 polysomnographically-proven OSAS patients (male:female 20: 7;age $47.6{\pm}12.9$ years old;age range 23 to 72 years) with no other sleep disorders. We calculated RDI (respiratory disturbance index) from the polysomnography data and FI (fragmentation index) from the actigraphy data. Pearson correlation was calculated in order to compare FI with RDI and to evaluate the supplemental diagnostic value of the actigraphy. Results: Mean total sleep time on polysomnography was $401.4{\pm}57.8\;min$ (range of 274.0 to 514.1 min). Mean RDI was $21.7{\pm}20.4/hour$. Mean FI was $21.9{\pm}13.0/hour$. RDI and FI showed significant correlation (r=0.55, p<0.01). Conclusions: Wrist actigraphy in OSAS patients generates a comparable outcome to polysomnography, in measuring the nocturnal sleep fragmentation. The actigraphy could be used supplementally in inpatients, outpatients, and field survey subjects, if polysomnography is unavailable or impossible. In follow-ups related with nasal CPAP (continuous positive airway pressure), upper airway surgery, and oral appliance in OSAS patients, the actigraphy might play a more dominant role in the future.

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Quality Characteristics of Jocheong Containing Various Level of Letinus edodes Extracts (표고버섯 추출액을 이용한 조청의 품질특성)

  • Park, Jung-Suk;Na, Hwan-Sik
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.34 no.7
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    • pp.1082-1090
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    • 2005
  • Jocheong was prepared by adding Lentinus edodes extract to improve its quality and to give some functional properties. Contents of crude protein, ash and crude lipid were similar to those of control, while carbohydrate content was decreased. Total mineral content were $1,916.03\~2,674.24mg/kg$ that was no difference between test samples. From HPLC determination of free sugars, Jocheong was found to contain maltose as the highest sugar, followed by glucose and fructose. In amino acid analysis, seventeen amino acid were identified and quantified. Glutamic acid in Jocheong was major amino acid. The major fatty acids in Jocheong $(0\%,\;control)$ were linoleic acid, palmitic acid, oleic acid, myristic acid and caproic acid. There was no significant differences in fatty acid composition, pH and reducing sugar content among the Jocheong samples. The viscosity and solid contents tended to decrease with the addition of Lentinus edodes extract. Increasing the ratio of mushroom extract in Jocheong tended to decrease the lightness, yellowness and redness in Hunter's color value. Although sensory value decreased with increasing Lentinus edodes extracts, use of mushroom extracts (7: 3; saccharification liquids: Lentinus edodes extracts) is recommended for making Jocheong.

The Rooting Ability of Selected Clones of Populus alba×glandulosa Hybrid (Populus alba×glandulosa의 Clone간(間) 발근력(發根力)의 차이(差異))

  • Kim, Chung-Suk;Son, Doo-Sik;Chung, Sang-Bae
    • Journal of Korean Society of Forest Science
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    • v.38 no.1
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    • pp.19-26
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    • 1978
  • In order to investigate the difference of rootability between 15 clones of Populus alba${\times}$glandulosa selected based on the growth performance, rooting of cutting experiments with these 15 clones were conducted at the nursery for six years from 1970 to 1975. Cutting experiments in a temperature controlled incubator in which the temperature of the cutting bed were set to $10^{\circ}C$, $15^{\circ}C$, $20^{\circ}C$, $25^{\circ}C$ and $30^{\circ}C$ were also performed. Along with these experiments air layering experiments were performed to compare with the rootabilities obtained from nursery trial. The results obtained so far could be summarized as follows. 1. The best rooting clones were 65-22-4 and 65-22-11, and the average rooting percentages of these two clones for six years were 76.7%, and 72.9% respectively. The poorest rooting clone was 66-6-8 showing average rooting percentage of 45.8%. 2. The middle class of rooting percentage was ocuppied by the clones; 66-14-29, 66-14-93, 66-25-5 and 67-6-3, and the range of their rooting percentage was 60~69% on average. 3. The rooting performances observed through the nursery, the incubator and the air layering experiments were almost the same with exception of few clones. 4. P. alba${\times}$glandulosa showed the best rooting percentage at the cutting bed of $20^{\circ}C$ 5. The most roots, i.e. 78.5% of root per cutting were developed from the bottom part of the cutting shoot. 6. Adventitious and call use roots could observe in the cuttings.

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