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Characteristics of Rice Flours Prepared by Moisture-Heat Treatment (수분-열처리에 의해 제조한 멥쌀가루의 특성)

  • Lee Mi-Kyung;Shin Mal-Shick
    • Korean journal of food and cookery science
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    • v.22 no.2 s.92
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    • pp.147-157
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    • 2006
  • To improve the properties of non-waxy rice flours for baking, soaked-wet milled rice flour (SWRF) was adjusted moisture content (MC) to 30 and 50 % and heated at 50 and $70^{\circ}C$ in a shaking water bath for 6 and 18 hrs, respectively. Moisture-heat treated rice flours were investigated with regard to particle size distribution, and morphological, physicochemical and pasting properties for comparing dry and wet milled flours. The particle size of rice flour treated with 30% MC was distributed between $4-20{\mu}m\;and\;100-200{\mu}m$, like SWRF. The particles above $200{\mu}m$ in the flour were produced at higher heating temperature. By SEM, starch granules were found in the rice flours treated with 30% MC, who whereas aggregated starch granules were shown in the flours treated with 50% MC. Moisture-heat treatment using higher MC and heating temperature decreased the lightness and increased the yellowness of non-waxy rice flours. Water binding capacity of 30% moisture treated rice flour was similar to that of SWRF. In the same moisture treated rice flour, swelling power was higher, but solubility was lower at $50^{\circ}C$ than at $70^{\circ}C$. The initial pasting temperature by RVA increased after moisture-heat treatment. The peak viscosity of moisture-heat treated rice flour was higher for 30% moisture than that of the others. The rice flour treated with 30% MC and heated at $50^{\circ}C$ showed low setback and increased stability for retrogradation.

The Properties of Rice Flours Prepared by Dry- and Wet-Milling of Soaked Glutinous and Normal Grains (수침과 건조조건을 달리하여 만든 찹쌀가루와 멥쌀가루의 특성)

  • Kim, Wan-Soo;Shin, Mal-Shick
    • Korean journal of food and cookery science
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    • v.23 no.6
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    • pp.908-918
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    • 2007
  • To prepare ready-to-use rice flour as de novo material for processed rice foods, glutinous(W) and normal rice grains (N) were soaked for 1, 8, and 12 hours prior to processing. One half (DG) was air-dried and milled, and the other (WG) was milled and air-dried. General, morphological and pasting properties of the flours (NDG, NWG, WDG, WWG) were compared to those of a control (raw milled rice without soaking). The general compositions of the rice flours varied with soaking. Crude ash was considerably decreased at the beginning of soaking (1 hour). With the soaking, the rice flour, having polygonal shaped particles and a layered surface, acquired particles with smooth edges, which were then uniformly distributed. Additionally, the WG flour was lighter and had a lower ${\Delta}E$ value than the DG flour, due to a higher L and less +b as a result of soaking. Compared to the control, the WBC of the normal rice flour was decreased significantly with soaking, and the WG flour had significantly lower WBCs than the DG flour. Stirring number (SN), an indicator of ${\alpha}-amylase$ activity, was highly and significantly correlated with WBC (r=-0.85, p=0.0001) in the normal rice flour. At $80^{\circ}C$, the SP and solubility of all the soaked rice flours were much higher than those of the control. Positive (r=+0.85, p=0.0001) and negative (r=-0.61, p=0.02) correlations between the SP and solubility of the normal and glutinous rice flours were found, respectively. Using RVA, the pasting temperature of NDG was lower than that of NWG (p<0.0001). The peak viscosities of all the soaked flours were significantly decreased with soaking (p<0.0l), with the highest viscosity in the normal rice flour soaked for 8 hrs. Total setback, indicative of retrogradation, was lower in NDG than in NWG, with the lowest setback at 8 hrs of' soaking. Based on these finding, the NDG flour with 8 hrs of soaking was less damaged, and had a lower total setback and lower pasting temperature, which would make it an appropriate rice flour for commercial mass production.

Physicochemical Properties of Defatted and Lipid-reintroduced Kidney Bean, Mung Bean and Corn Starches (탈지 및 지질첨가 강남콩, 녹두와 옥수수 전분의 특성)

  • Lee, Sang-Keum;Shin, Mal-Shick
    • Korean Journal of Food Science and Technology
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    • v.25 no.6
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    • pp.710-715
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    • 1993
  • Physicochemical properties of defatted and lipid-reintroduced kidney bean, mung bean, and corn starches were investigated. Granule shapes of kidney bean and mung bean starches were oval/round, but corn starch was polygonal and each shape was not changed after defatting and lipid reintroducing. The granule sizes of starches ranged $12{\sim}45{\mu}m,\;10{\sim}32{\mu}m\;and\;5{\sim}20{\mu}m$ respectively, but those of lipid reintroduced starches increased slightly. All starches showed Ca type in x-ray diffraction but relative crystallinity was decreased by defatting. The amylose contents of starches increased after defatting but decreased after lipid-reintroduction. The swelling power and solubility of untreated starches at each temperature increased by defatting but decreased by lipid-reintroduction except corn starches. The initial pasting temperatures of kidney bean, mung bean and corn starches by amylograph were $87,\;67\;and\;80^{\circ}C$ respectively, and those of them were lowered by defatting. The peak viscosity, height at $50^{\circ}C$, consistency and setback on amylogram of starches decreased by defatting but increased by lipid-reintroduction.

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Die Feststellung des Todes im Strafrecht (사망의 판정)

  • Joo, Ho-No
    • Journal of the Society of Disaster Information
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    • v.3 no.1
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    • pp.103-116
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    • 2007
  • Der Begriff des Todes $h{\ddot{a}}ngt$ die einzelne Wertvorstellung ab, so dass die Unanschaulichkeit des Todes besteht und noch zu $kl{\ddot{a}}ren$ ist. Im koreanischen Recht, findet sich keine Legaldefinition des Todes. In der juristischen Literatur herrscht der Herztod, nach dem $f{\ddot{u}}r$ den Todeszeitpunkt der irreversible und $vollst{\ddot{a}}ndige$ Stillstand der $Herzt\ddot{a}tigkeit$ gehalten wird, $herk{\ddot{o}}mmlicherweise$ bis jetzt als Todesdefinition vor. Der Herztod basiert darauf, dass Individualtod des Menschen durch den $endg{\ddot{u}}ltigen$, nicht behebbaren Stillstands von Herzschlag nach Ausfall von Atmung eingetreten sind. Auch der medizinische Laie kann den Herztod einfach wahrnehmen und sicher feststellen. Darauf folgt der Herztod als sicheres Todeszeichen angesehen wird. In der Regel trete der Herztod letzte Mal im $nat{\ddot{u}}rlichen$ Sterbeprozess ein. Die $j{\ddot{u}}ngste$ $k{\ddot{u}}nstlichen$ Reanimationsma ${\SS}nahmen$ $erm{\ddot{o}}glicht$ es, die Atmungs- und Kreislauffunktion $f{\ddot{u}}r$ eine begrenzte Zeit $k{\ddot{u}}nstlich$ aufrecht zu erhalten. Die Entwicklung der Medizin machte es zu erkennen, dass das "Zentralorgan Gehirn" $f{\ddot{u}}r$ die Aufrechterhaltung der biologischen Lebensfunktion des Gesamtorganismus unverzichtbar ist. Die Verbesserung von Transplantationstechniken gab $gro{\SS}en$ Anlass neben $f{\ddot{u}}r$ den verbesserten Reanimationstechniken auch $f{\ddot{u}}r$ den Fortschritt auf dem Gebiet der toten Transplantation. Je frischer die Organe sind, desto $gr\ddot{o}{\SS}er$ sind die Chancen $f{\ddot{u}}r$ eine erfolgreiche Verpflanzung und $f{\ddot{u}}r$ $T{\ddot{a}}tigkeit$ im $Empf{\ddot{a}}ngerorganismus$. Die Organentnahme als solche wird $unzul{\ddot{a}}ssig$ nur durch Feststellung des Herztod bei lebenswichtigen Organe, besonders wie Herz. Der Herzstillstand allein ist aber kein sicheres Kriterimn $f{\ddot{u}}r$ die $Zul{\ddot{a}}ssigkeit$ der Organentnahme. Im Korea wurde das Gesetz ${\ddot{u}}ber$ die Transplantation von Organen (Gesetz-Nummer 5858) am 8. Februar 1999 ${\ddot{o}}ffentlich$ bekannt gemacht l1nd trat am 9. Febrllar 2000 in Kraft(${\S}$ 1 Schussvorschriften kTPG). Aus der Sicht des Gesamthirntod definiert das Transplantationsgesetz derjenige, dass nach Kriterien und Nachweisverfahren $f{\ddot{u}}r$ Hirntodfeststellung dieses Gesetzes der irreversible Ausfall der Gesamthirnfunktion festgestellt wird, als Hirntoter (${\S}$ 3 Nr.4 kTPG). Mit dieser Regelung wird die Feststellung des Gesamthimtodes als gesetzliche Mindestvoraussetzung $f{\ddot{u}}r$ die Organentnahme festgelegt. Es handelt sich um Kriterien und Nachweisverfahren $f{\ddot{u}}r$ Hirntodfeststellung des koreanischen Transplantationsgesetzes.

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The change of CBF(cerebral blood flow) of CVA patients by oriental medical treatment - Focused on Brain SPECT results - (뇌졸중환자(腦卒中患者)에 있어서 치료경과(治療經過)에 따른 뇌혈류(腦血流) 변화(變化) - Brain SPECT 결과(結果)를 중심(中心)으로 -)

  • Kang, Hwa-Jeong;Hong, Seok;Kim, Jong-Seok;Song, Ho-Chon;Bum, Hee-Seung;Jeon, Sang-Yun
    • The Journal of Internal Korean Medicine
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    • v.21 no.1
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    • pp.39-45
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    • 2000
  • Object : SPECT which can visualize the distribution of CBF was operated to find the basic evidence by objective and scientific inspection on the fact that how the oriental medical treatment for stroke patients can effect CBF. Method : This study made 18 cases an object of research. These patients came to the Dongshin Univ. Oriental Medical Hospical within 5 days from the first attack, were diagnosed as stroke from Brain CT and MAl and were in the hospital for over 4 weeks at least. They were taken acupunture treatment, negative technique and herbal medication. And this study operated SPECT at the instance of admission and at the 4th week after admission 2 times and compared the change of CBF. Results : I operated SPECT on 18 CVA patients and got a result on the change of blood supplies in brain as follows; In the 2nd SPECT compared with 1st, out of the 1st and 2nd SPECT, there are 10 cases(55.6%) of increase and 8 cases (44.4%) of decrease. According to L/Cb11 evauation standard, the 1 st and the 2nd changes of blood supplies in SPECT shows decrese from $0.830{\pm}0.071$ to $0.801{\pm}0.067$. On the other hand, according to L/C standard shows a minute increase from $0.894{\pm}0.079$ to $0.895{\pm}0.091$. But there is nothing meaningful. I treated patients' group with risk factors and the other patients' group without risk factors and observed the changes of blood supplies respectively. And therefore Patients' group without risk factors shows an meaningful increase of blood supplies from $0.835{\pm}0.076$ to $0.796{\pm}0.069$ L/Cbll and also an increase from $0.921{\pm}0.029$ to $0.939{\pm}0.029$ by L/C. But this result by L/C is not significant. Conclusion : As mentioned above, I treated CVA patients through oriental medical therapies using SPECT and researched the changes of blood supplies in their brains. But I could' t get any meaningful result. However, I think only after solving some problems in this treatment and quantifing the changes of blood supplies, this results can be the standard of scientific examination about oriental medical treatments.

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Dermal mast cell responses in Paragonimus westermani-infected mice (폐흡충 감염에 대한 마우스 진피 내 비만세포의 반응)

  • 신명헌
    • Parasites, Hosts and Diseases
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    • v.35 no.4
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    • pp.259-264
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    • 1997
  • This study was carried out to determine whether dermal mast cell responses to Parasoninn westemoni in an abnormal host, the mouse, were dependent on the site of metacercarial inoculation. In mice during subcutaneous infection, the number of der- mal mast cells were increased significantly (p<0.05) at the first week ($38.3/\textrm{mm}^2$) and then persisted at a high level until the sixth week ($45.2/\textrm{mm}^2$) of infection compared with PBS- injected (control) mice (range: $19.4-25.1/\textrm{mm}^2$). In mice during oral infection, the number of dermal mast cells were increased significantly (p<0.05) at two weeks ($33.5/\textrm{mm}^2$) after infection and remained at these levels thereafter compared loth non-infected (control) mice (range: $17.4-22.3/\textrm{mm}^2$). In mice both during subcutaneous and oral infection, the recruited dermal mast cells showed extensive degranulation at the second week (68.4%) and 60.7%, respectivelyl, reached a peak at the third week (81.4%, and 92.1%, respectively) and then declined slightly thereafter. By contrast, in both control mice, about 10% of dermal mast cells were degranulated. In conclusion, this study suggests that dermal mast cell responses to p. westemcni in mice are dependent on cutaneous sensitization by larval excretory-secretory antigens, irrespective of infection route.

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Study on the Improvement of Gill Nets and Trap Nets Fishing for the Resource Management at the Coastal Area of Yellow Sea - Mesh Selectivity of Trap Nets for Purple Shell, Rapane venosa - (서해구 자원관리형 자망 · 통발 어구어법 기술개발에 관한 연구 - 피뿔고동 Rapane venosa 통발의 망목선택성 -)

  • Chang, Ho-Young;Cho, Bong-Kon;Park, Jong-Soo;Shin, Jong-Keun
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.40 no.3
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    • pp.176-181
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    • 2004
  • In order to examine the mesh selectivity and optimum mesh size of trap nets for purple shell, Rapane venosa, the field experiments were carried out during Jun. 27 to 29, 2003 at the coastal area of Mal-Do, Kunsan, Jeonbuk province. The experimental fishing gears were used in two set of trap nets, which one set was consisted of 210 trap nets that were coverd with 35mm, 50mm and 65mm in mesh size. The analysis of mesh selectivity curve was done by Kitahara's method. The results obtained are summerized as follows : 1. The total number of catch by the experimental fishing of trap nets for purple shell was 1,682, and it was consisted of 1,268 purple shells (75.4%), 225 Glossaulax reiniana (13.4%), 113 green lings (6.7%) and 76 other fishes (4.5%). 2. The value of maximum 1/m on the mesh selectivity curve was estimated at 1.79. 3. The value of 1/m on the 50% selection range was estimated at 1.24${\sim}$2.72, and the selection width was 1.48.. 4. The optimum mesh size of trap nets for purple shell based on the catch prohibition shell height(50mm) was estimated 40.3mm, and the 50% selection range of shell height of purple shell was 50.0${\sim}$109.6mm.

Gelatinization Properties of Rice Starch by Heat-Moisture Treatment (수분-열처리에 따른 쌀 전분의 호화특성)

  • Kim, Soo-Kyung;Shin, Mal-Shick
    • Korean journal of food and cookery science
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    • v.6 no.4 s.13
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    • pp.33-39
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    • 1990
  • Rice and waxy rice starches were adjusted to 27% of moisture and heated at $100^{\circ}C$ for 16hours, respectively. After the treatment, their gelatinization properties were investigated. The initial gelatinization temperature, obtained by transmittance and amylogram, of Akkibare and Taebaek starches were $60{\sim}65^{\circ}C$ but those of waxy rice and the U.S.A. rice starches were $55{\sim}60^{\circ}C$ and $70{\sim}75^{\circ}C$, respectively. The gelatinization temperatures of heat-moisture treated starches were higher than those of the untreated starches. Viscosities at each temperature and the highest viscosity reduced by some degrees after the treatment. DSC thermograms of all starches showed single endotherm and the gelatinization enthalpies were $2.26{\sim}2.63\;cal/g$. The gelatinization enthalpy tended to decrease after the treatment. Transmittance and viscosity by alkali showed in this order; Akkibare and Taebaek starches>waxy starch>the U.S.A. rice starch. The heat-moisture treated starches increased viscosities in every starch. Transmittance in alkali solution of Akkibare, Taebaek and waxy rice starches decreased. but that of the U.S.A. rice search increased.

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The Bioequivalence of Two Carbamazepine Controlled Release Formulations (카르바마제핀 서방형 제제간의 생물학적 동등성 비교)

  • Kim, Min J.;Lee, Hyun J.;Rheu, Yoon M.;Shin, Wan G.;Park, Sung H.
    • Korean Journal of Clinical Pharmacy
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    • v.6 no.2
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    • pp.19-23
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    • 1996
  • Carbamazepine is an anticonvulsant drug that has been shown to be as effective as phenytoin or phenobarbital in treatment of grand mal and complex partial seizures and is also approved as the drug of choice for treatment of the pain associated with trigerminal neuralgia. And the therapeutic or toxic effects of carbamazepine are better related to plasma concentration than to dosage, which can be attributed to interindividual variability in the pharmacokinetics. A slow rate of carbamazepine dissolution in the gastrointestinal tract is believed to be the cause of its relatively slow and erratic rate of absorption. For these reasons pharmacokinetic evaluation of newly formulated carbamazepine is neccessary. In this study, the bioequivalence in carbamazepine between the $TegretoI^{TM}$ CR tablet (Geigy Co.) and $Carmazepine^{TM}$ CR tablet (Myung In Co.) was evaluated. 12 normal volunteers (age $21\~27$ years old) was divided into two groups, and a randomized cross-over study was employed. The pharmacokinetic parameters ($C_{max},\;T_{max}$ and AUC) obtained of oral administration of each formulatim of carbamazepine 400 mg were evaluated and ANOVA was utilized for the statistical analysis of parameters. $C_{max}\;is\;8.26{\pm}3.1{\mu}g/ml\;(C.V.\;37.3\%)\;in\;TegretoI^{TM}\;and\;9.39\{pm}2.9{\mu}g/ml\;(C.V.\;30.5\%)$ in $Carmazepine^{TM},\;T_{max}\;is\;28.0{\pm}5.9\;hrs(C.V.\;21.1\%)$ in $Tegretol^{TM}\;and\;24.0{\pm}7.2\;hrs(C.V.\;30.2\%)$ in $Carmazepine^{TM}$ and AUC is $786.4{\pm}360.5{\mu}g{\cdot}hr/ml\;(C.V.\;45.8\%)$ in $TegretoI^{TM}\;and\;792.8{\pm}228.6{\mu}g{\cdot}hr/ml\;(C.V.\;28.8\%)$ in $Carmazepine^{TM}$, respectively. As the result of the data, two formulations are bioequvalent, and the lower C.V. of $Carmazepine^{TM}$ in every individual can be merit.

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Two Cases of Cerebral Cysticercosis Treated with Albendazole (Albendazole을 이용한 뇌낭미충증(腦囊尾蟲症) 치험(治驗) 2예)

  • Joo, Kyoung-Hwan;Rim, Han-Jong
    • Journal of agricultural medicine and community health
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    • v.16 no.2
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    • pp.165-171
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    • 1991
  • Two patients with confirmed cerebral cysticercosis were treated with Albendazole(Zentel$^{(R)}$) at a daily dose of 1.200mg t.i.d. for 14 consecutive days and evaluated for tolerance and therapeutic effects. First case was 29 year old male, who had experience of 4 times of grand mal seizures during 1 year period before administration in Korea University Hospital. His chief complaints were seizure and moderate degree headache. He also had 4 subcutaneous nodules on the thorax, right and left upper arms. Among them one nodule was biopsied and confirmed microscopically as Cysticercus cellulosae hominis. Computed tomography of the brain showed four round low density lesions in right postero-frontal area, sylvian area, intra-occipital area and left parietal area. Second case was 48 year old male, who also had experience of seizures at 3 years, 5 months and 3 months before administration. In this case, no subcutaneous nodules and no headaches were noted. Brain CT showed four round low density lesions in right postero-parietal area and temporo-parietal area, and left temporo-parietal and parietal area. Serum antibody against cystic fluid antigen was detected by ELISA in both cases. The efficacy of the treatment of cerebral cysticercosis was assessed by the frequency of convulsions after treatment for 22 months follow-up. by the disappearance of the densities in cystic lesions at brain CT for 6 months follow-up, and disappearance of subcutaneous nodules, headache and so on. As the results, all low density lesions in both cases were disappeared in films of brain CT, and 4 nodules in first case were also disappeared. No more seizure and complain of headache occurred during the last 22 months after treatment in both cases. Post-treatment complete blood count and liver function test revealed no remarkable change compared to pre-treatment test. In the nations of Latin America, the physicians do not initially recommended the simultaneous administrations of steroids, reserving them only for patients whom the adverse reactions such as severe headache and/or seizures are occurred. According to them, in most patients these symptoms are controlled with aspirin and symptomatic drugs. But our experience using praziquantel is different, and most cerebral cysticercosis patients who takes PZQ had complaint of severe headache and sometimes seizure. So we simultaneously used dexamethasone as 6mg q.i.d. for 14 consecutive days and 6 days tapering thereafter in both cases for prevention of reactions produced by the host in response to the deaths of the parasites. As the conclusion, albendazole is effective in patients who presented cerebral cysticercosis and albendazole may help in the control of cysticercosis.

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