• Title/Summary/Keyword: Swelling pattern

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Physicochemical properties of naked barley starches (쌀보리 전분의 이화학적 성질)

  • Song, Eun;Shin, Mal-Shick
    • Applied Biological Chemistry
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    • v.34 no.2
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    • pp.94-101
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    • 1991
  • Physicochemical properties of waxy and non-waxy naked barley starches were investigated. The starch granules observed by photomicroscope, polarized-light microscope and scanning electron microscope were round. The starch showed a typical A type by X-ray diffraction pattern. Water binding capacity, swelling power and solubility of waxy naked barley starch were higher than non-waxy naked barley starch at the same temperature. Transmittance of 0.1% starch suspension was increased rapidly from $60^{\circ}C$ in case of waxy naked barley starch and from $65^{\circ}C$ in case of non-waxy naked barley starch. Amylogram revealed that the non-waxy naked barley starches had higher initial pasting temperature than waxy naked barley starch. Enthalpy for gelatinization of non-waxy and waxy naked barley starches were 1.12-1.58 and 0.85 cal/g, respectively.

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A Study on the Physicochemical Properties of Buckwheat Starches (메밀 전분의 이화학적 특성에 관한 연구)

  • Lee, Mi-Sook;Sohn, Kyung-Hee
    • Korean journal of food and cookery science
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    • v.8 no.3
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    • pp.291-296
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    • 1992
  • The physicochernical properties of Korean buckwheat starches were investigated. The results were as follows; 1. Water binding capacity of kangwon hull buckwheat starch was 106.55% and that of Kangwon rice buckwheat was 99.35%. 2. The pattern of change in swelling power of hull buckwheat starch for increasing temperature started to increase at 60$^{\circ}C$ and increased rapidly from 80$^{\circ}C$, and that of rice buckwheat increased slowly from 60$^{\circ}C$ to 90$^{\circ}C$. 3. The ranges of gelatinization temp. of hull buckwheat and rice buckwheat starches were 70~75$^{\circ}C$ and 75~85$^{\circ}C$, respectively. 4. The blue value of hull buckwheat starch and rice buckwheat starch were 6.25 and 0.62, respectively. 5. The alkali number of hull buckwheat starch and rice buckwheat starch were 1.28 and 3.68 respectively. 6. The amylose content of hull buckwheat and rice buckwheat starch were 32.26% and 38.09%. 7. Periodate oxidation of hull buckwheat starch resulted that amylose had me average molecular weight of 103, 004, degree of polymerizatlon of 572 and amylopectin had me degree of branching of 7.64, glucose unit per segment of 13.09, and periodate oxidation of rice buck wheat starch resulted mat amylose had me average molecular weight of 125, 654, degree of polymerization of 698 and amylopectin had degree of branching of 6.59, glucose unit per segment of 15.16.

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A Case of Pleural Effusion due to Vasculitis in Scleroderma (혈관염에 의한 양측성 흉막염이 발생한 공피증 1예)

  • Lee, Young Ho;Sim, Jae Jeong;Kang, Kyung Ho;Song, Gwan Gyu
    • Tuberculosis and Respiratory Diseases
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    • v.43 no.5
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    • pp.786-791
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    • 1996
  • Systemic sclerosis is a multisystemic disease of unknown origin charicterized by degenerative fibrotic and inflammatory changes in the skin, vessels, joints, muscles, and visceral organs. Involvement of the lung in systemic sclerosis is common, but pleural effusion is rare. Although vasculitis commonly accompanies many connective tissue disorders, it has been rarely reported in systemic sclerosis. A 43-year-old woman, with a 10-year history of Raynaud's phenomenon, was admitted due to right chest pain. Her hands showed diffuse thickening and swelling of skin. Chest X-ray showed pleural effusions and esophageal manometry showed hypotonic peristalsis and low lower esophageal sphincter tone compatible with scleroderma esophagus. Antinuclear antibodies were present (titer>1 : 160) with a speckled pattern. She was positive for rheumatoid factor, anti scl-70 and RNP antibodies, but negative for anti-Ro, La, and Sm antibodies. Histology of the pleura revealed the presence of leukocytoclastic vasculiti. After adminisrration of prednisolone 30 mg/day, her chest symptom was improved. We report a case of systemic sclerosis with pleural effusions due to leukocytoclastic vasculitis with review of the literatures.

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Effect of Water Activity on the Physicochemical Properties of Sweet Potato Starch during Storage (저장 중 수분활성이 고구마 전분의 이화학적 특성에 미치는 영향)

  • Baek, Man-Hee;Shin, Mal-Shick
    • Korean Journal of Food Science and Technology
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    • v.27 no.4
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    • pp.532-536
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    • 1995
  • Effect of water activity $(0.32{\sim}0.89)$ on the physicochemical properties of sweet potato starch during the storage for 5, 15 and 30 days at $40^{\circ}C$ was investigated. Shapes and sizes of starch granules were not changed. X-ray diffraction patterns of the starches appeared equally Ca-crystal structure. Sorption isotherm with storage day was sigmoidal. A slight loss of iodine affinity, increase in water binding capacity, and decrease in swelling power at $80^{\circ}C$ occurred as water activities increased. Viscosity pattern under Brabender Amylogram was not significantly changed with water activity, but initial pasting temperature decreased as water activity increased. The viscosity at $50^{\circ}C$, consistency and setback were increased with increasing storage day and water activity.

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Permeability of Silver Sulfadiazine through Crosslinked Chitosan Matrices (가교키토산 매트릭스를 통한 Silver Sulfadiazine의 투과)

  • Nah, Jae Woon
    • Journal of the Korean Chemical Society
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    • v.40 no.9
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    • pp.640-648
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    • 1996
  • Crosslinked chitosan was prepared from chitin after reaction with epichlorohydrin followed by deacetylation at C2-position. Epidermal releasing polymeric matrix was prepared after swelling crosslinked chitosan with distilled water and adding silver sulfadiazine and glycerine as a plasticiser. The release behavior of silver sulfadiazine from polymeric matrix was studied in pH 7.4 phosphate buffer solution by varing the drug content, glycerine concentration, and the thickness of the matrix. The drug release time was delayed by increasing the content of silver sulfadiazine and the thickness of the matrix, whereas decreased as glycerine concentration increased. The apparent constant(K) of release rate was independent upon the matrix thickness, but was proportional to the content of drug or glycerine of crosslinked chitosan matrix. These results indicated that chitosan matrix showed some potential as a drug delivery system for transdermal therapeutic application.

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Study of Korean Medicine's Pathological Symptoms and Health-Related Quality of Life among Normal, Overweight, and Obese Groups from Multi-Center Case Report (다기관 증례 수집을 통한 정상, 과체중, 비만군에서의 한의 병증 및 건강과 관련된 삶의 질에 대한 연구)

  • Lee, Jaechul;Dong, Sang Oak;Lee, Siwoo
    • Journal of Korean Medicine for Obesity Research
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    • v.13 no.1
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    • pp.10-16
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    • 2013
  • Objectives: This work aimed to investigate differentiations of Korean medicine's pathological symptoms and SF-12 sub scales among normal, overweight and obese subjects from multi-center case report. Methods: From 2009 to 2011 survey were carried out to 1,589 subjects who took treatment or were hospitalized in 7 Korean medicine hospitals and 3 Korean medicine clinic. Survey include Korean medicine's pathological symptoms and SF-12. Whole survey were obtained from subjects with interviewers. Obesity degree was divided into three groups by body mass index: Normal group is from 18.5 below 23, overweight from 23 below 25 and obese group is over 25. Chi-square test was performed to reveal differentiation response rate of pathologic symptoms among obesity groups. ANOVA test was carried out for compare each group's SF-12 sub scales. Results: Patients of overweight or obesity have more symptoms such as skin itching, swelling, weakness in lower legs, and feverish with swollen joints. Contrary, normal weight group responded symptoms of dry skin more than those of obese group. As a fatigue, obese group have more fatigue feeling at afternoon and evening, compared to high frequency response of normal weight groups' morning fatigue. Obese groups shows low physical scores of health related quality of life, in contrast, high mental scores of that. Conclusions: This is first work of pathologic symptoms shown by obese groups. This would contribute to standardization of Korean medicine's pattern identification as suggestion of classification point for obese groups.

A Case Study of Taeeumin Patient with Edema Treated with Gunyuljejo-tang (태음인 부종 환자의 건율제조탕 치험 1례)

  • Han, Suzy;Yu, Jun-Sang
    • Journal of Sasang Constitutional Medicine
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    • v.33 no.3
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    • pp.138-145
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    • 2021
  • Objectives Edema occurs in various disorders, such as heart failure, nephrotic syndrome, renal failure, liver cirrhosis, and cancer. The excessive accumulation of interstitial fluid in limb tissue will often manifest with ankle and knee swelling and lowers patient's quality of life. But the conventional treatment includes restricting dietary sodium and using diuretics. The purpose of this study is about significant improvement of a patient with edema who had suffered from dependent gait accompanied by mild pain, after treatment by herbal medicine based on SCM(Sasang constitutional medicine). Methods The pattern identification of the patient was diagnosed with a superficial disease of Taeeumin. So after the admission, Gunyuljejo-tang was used, almost two times per day during 2 weeks. Also, we applied acupuncture routinely every day and western medicine as needed. We measured the circumferences of Lt. thigh and followed up the bioelectrical impedance analysis and checked the appearance of lower limb. Results and Conclusions The therapy was effective, and the circumferences, which was 59.69cm at onset time, decreased to 52.07cm almost same to the healthy side of her thigh. There was no more edematous sign on the body, either. This case showed that management of Taeeumin's healthy energy(呼散之氣, the energy of exhalation) could be effective in treating edema.

Physicochemical Properties of Fibrous Material Fraction from By-product of Aloe vera Gel Processing (알로에 베라 겔 가공부산물로서의 섬유질 분획의 성분 및 물리화학적 특성)

  • Baek, Jin-Hong;Lee, Shin-Young
    • Food Engineering Progress
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    • v.14 no.2
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    • pp.118-126
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    • 2010
  • The fibrous material fraction as a by-product from the commercial aloe vera gel processing was obtained and freeze dried. The physicochemical characteristics such as the proximate composition, crystalline/surface structures and several physical functionalities including the water holding capacity (WHC), swelling capacity (SW), oil holding capacity (OHC), emulsion/foam properties and viscosity properties of this powdered sample (100 mesh) were investigated and analyzed by comparison with commercial $\alpha$-cellulose as a reference sample. The total dietary fiber content of powdered sample was very high as much as 87.5%, and the insoluble dietary and soluble dietary fiber content ratios were 77.6 and 22.4%, respectively. The FT-IR spectrum of powdered sample showed a typical polysaccharide property and exhibited a x-ray diffraction pattern for cellulose III and IV like structure. SW (8.24${\pm}$0.15 mL/g), WHC(6.40${\pm}$0.19 g water/g solid) and OHC(10.32${\pm}$0.29 g oil/g solid) of freeze dried aloe cellulose were about 3.3, 1.4 and 2 times higher than those of commercial $\alpha$-cellulose, respectively. Aloe cellulose (~2%, w/v) alone had no foam capacity while improved the foam stability of protein solution (1% albumin+0.5% $CaCl_{2}$) by factor of 300%. Emulsion capacity of 2%(w/v) aloe cellulose was about 70% level of 0.5%(w/v) xanthan gum, but its emulsion stability was about 1.2 times higher than that of xanthan gum. Also, aloe cellulose containing CMC (carboxyl methyl cellulose) of 0.3%(w/v) showed a very good dispersity. Aloe cellulose dispersion of above 1%(w/v) exhibited higher pseudoplasticity and concentration dependence than those of $\alpha$-cellulose dispersion, indicating the viscosity properties for new potential usage such as an excellent thickening agent.

Re-evaluation of Obesity Syndrome Differentiation Questionnaire Based on Real-world Survey Data Using Data Mining (데이터 마이닝을 이용한 한의비만변증 설문지 재평가: 실제 임상에서 수집한 설문응답 기반으로)

  • Oh, Jihong;Wang, Jing-Hua;Choi, Sun-Mi;Kim, Hojun
    • Journal of Korean Medicine for Obesity Research
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    • v.21 no.2
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    • pp.80-94
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    • 2021
  • Objectives: The purpose of this study is to re-evaluate the importance of questions of obesity syndrome differentiation (OSD) questionnaire based on real-world survey and to explore the possibility of simplifying OSD types. Methods: The OSD frequency was identified, and variance threshold feature selection was performed to filter the questions. Filtered questions were clustered by K-means clustering and hierarchical clustering. After principal component analysis (PCA), the distribution patterns of the subjects were identified and the differences in the syndrome distribution were compared. Results: The frequency of OSD in spleen deficiency, phlegm (PH), and blood stasis (BS) was lower than in food retention (FR), liver qi stagnation (LS), and yang deficiency. We excluded 13 questions with low variance, 7 of which were related to BS. Filtered questions were clustered into 3 groups by K-means clustering; Cluster 1 (17 questions) mainly related to PH, BS syndromes; Cluster 2 (11 questions) related to swelling, and indigestion; Cluster 3 (11 questions) related to overeating or emotional symptoms. After PCA, significant different patterns of subjects were observed in the FR, LS, and other obesity syndromes. The questions that mainly affect the FR distribution were digestive symptoms. And emotional symptoms mainly affect the distribution of LS subjects. And other obesity syndrome was partially affected by both digestive and emotional symptoms, and also affected by symptoms related to poor circulation. Conclusions: In-depth data mining analysis identified relatively low importance questions and the potential to simplify OSD types.

Effects of IFN-γ on IL-18 Expression in Pregnant Rats and Pregnancy Outcomes

  • Si, Li-Fang;Zhang, Shou-Yan;Gao, Chun-Sheng;Chen, Shu-Lin;Zhao, Jin;Cheng, Xiang-Chao
    • Asian-Australasian Journal of Animal Sciences
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    • v.26 no.10
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    • pp.1399-1405
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    • 2013
  • The present study focused on establishing the effects of interferon-gamma (IFN-${\gamma}$) on interleukin-18 (IL-18) expression patterns and pregnancy outcomes in pregnant rats. Pregnant rats at the post-implantation stage were randomized into control, low IFN-${\gamma}$ (L-IFN-${\gamma}$) and high IFN-${\gamma}$ groups (H-IFN-${\gamma}$) that received normal saline, 100 IU/g of IFN-${\gamma}$ and 500 IU/g of IFN-${\gamma}$ vaginal muscular injection, respectively. The effects of IFN-${\gamma}$ on IL-18 expression and pregnancy outcomes were assessed systematically using several methods, including immunohistochemistry streptavidin-perosidase (SP), image pattern analysis, enzyme-linked immune-sorbent assay (ELISA), whole blood count (WBC) count, microscopy and visual observation. IL-18 was detected in the uteri of all pregnant rats, and mainly distributed in the endometrium, decidual cells, vascular endothelium and myometrium. Immunohistochemistry and image pattern analyses revealed significantly lower IL-18 expression in the H-IFN-${\gamma}$ group compared to the L-IFN-${\gamma}$ and control groups (p<0.01), indicating that high doses of IFN-${\gamma}$ induce downregulation of IL-18 in the uterus of pregnant rats. ELISA results disclosed that IL-18 expression in peripheral blood of the H-IFN-${\gamma}$ group was lower than that of the L-IFN-${\gamma}$ group (p<0.05), and significantly reduced compared to the control group (p<0.01). Moreover, the number of peripheral leukocytes in the H-IFN-${\gamma}$ group was significantly higher than those in the control and L-IFN-${\gamma}$ groups (p<0.01). Morphology analysis showed no evident differences between the L-IFN-${\gamma}$ and control groups. However, for the H-IFN-${\gamma}$ group, uterine mucosa bleeding, necrosis and excoriation were observed using microscopy. Visual observation revealed marroon, swelling, crassitude and no embryo in the uterus, which are obvious indicators of abortion. These results indicate that IFN-${\gamma}$ plays a regulatory role in IL-18 expression in the uterus and peripheral blood of pregnant rats at the post-implantation stage. Moreover, high levels (500 IU/g) of IFN-${\gamma}$ influence normal pregnancy at the early stages in rats by downregulating IL-18 expression in the uterus and peripheral blood and increasing the number of peripheral leukocytes, consequently triggering termination of pregnancy.