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The Effect of Dioscorea japonica Thunb Subfractions on Blood Glucose Levels and Energy Metabolite Composition in Streptozotocin Induced Diabetic Rats (참마 재분획물이 당뇨유발 흰쥐의 혈당 및 에너지원 조성에 미치는 영향)

  • 김명화
    • Journal of Nutrition and Health
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    • v.33 no.2
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    • pp.115-123
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    • 2000
  • This study evaluates the effect of Dioscorea japonica Thunb subfractions on hyperglycemia and the composition of energy metabolites in diabetic rats. Diabetes emllitus was induced in male Sprague-Dawley rats by an injection of streptozotocin(STZ) dissolved in a citrate buffer into the tail vein at a dose of 45㎎/㎏ of body weight. Diabetic rats were assigned to 6 groups; STZ-control, subfraction A, B , C, D and E groups. All groups were fed an AIN-76 diet. The second butanol fraction of Dioscorea administered orally with carboxymethyl cellucose for 10 days after the STZ injection Body weight gain, diet intake and organ weights were monitored Levels of hematocrit, blood glucose, liver and muscle glycogen were measured. Levels of cholesterol, triglycerides and free fatty acids were also assayed. Body weight losses were observed by subfraction A group. Liver and kidney weights were not affected in any of the subgractioned groups. The decrease of blood glucose in daibetic rats which were fed Dioscorea japonica Thunb was significantly greater than the dicrease of blood glucose in the STZ-control group. cholesterol plasma level was not influenced in any subfraction of Dioscorea japonica Thunb. Liver triglyceride levels were significantly lowered in subfraction A compared with the STZ-control group. This study's results suggest that oral administration of subfraction C of Dioscorea japonica Thunb frction is capabl of reducing blood glucose, plasma triglyceride and free fatty acid levels, and therefore Dioscorea japonica Thunb may contain antihyperglycemic compounds.

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Fermented Peel of Citrus sunki Hort. ex Tanaka Promotes Ethanol Metabolism and Suppresses Body Fat Accumulation

  • Cui, Zhi-Gang;Kim, Bo-Youn;Kang, Shin-Hae;Lee, Young-Jae;Lee, Dae-Ho;Lee, Young-Ki;Park, Deok-Bae
    • Food Science and Biotechnology
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    • v.16 no.2
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    • pp.311-314
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    • 2007
  • Citrus sunki Hort. ex Tanaka is one of several Jeju-native citrus fruits. A number of biological properties for citrus fruits have been suggested, however little is known about those of C. sunki. The present study tested whether fermented product of C. sunki peel (FSP) might affect the activities of enzymes regulating ethanol metabolism. Effects on body weight gain as well as on fatty liver formation were also investigated. The activities of alcohol dehydrogenase and aldehyde dehydrogenase were stimulated remarkably by FSP. Excessive ethanol-induced cytotoxicity was also prevented by FSP in HepG2 cells. FSP decreased the weight gain and fatty liver formation induced by a high-fat diet in mice. From these results, FSP might be a potent source of neutraceuticals useful for preventing ethanol-induced health problems.

A Case Study of a Soeumin Patient with Jaundice Diagnosed as Greater-Yin Accompanied Jaundice Pattern (태음병 황달증으로 진단한 소음인 황달 환자 치험 1례)

  • Lee, Mi-Suk;Bae, Na-Young
    • Journal of Sasang Constitutional Medicine
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    • v.28 no.3
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    • pp.258-266
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    • 2016
  • Objectives This case study is about a Soeumin patient with jaundice identified as Greater-Yin accompanied Jaundice pattern. In this study, we report significant improvements of anorexia, dyspepsia, fatigue and weight loss after treatment with Hyangsayangyi-tang, Insambaekhaogwanjung-tang and acupuncture.Methods The patient was identified as Greater-Yin accompanied Jaundice pattern and treated with Hyangsayangyi-tang, Insambaekhaogwanjung-tang and acupuncture. The Global Assessment Scale (GAS) was used to assess the improvements of anorexia, dyspepsia, fatigue and pelvic pain after the treatment. And the liver function test was performed to measure the overall function of the liver.Result and Conclusion The symptoms of anorexia, dyspepsia, fatigue and pelvic pain were improved from GAS 100 to GAS 0-10 for four months. And The liver function test showed improved the response to treatment. The levels of AST (aspartate aminotransferase)/ALT (alanine aminotransferase) decreased from 43/42 to 29/14 IU/L. The level of total bilirubin was decreased from 2.7 to 1.9 mg/dL. Furthermore total weight gain was 8 kg from starting weight of 36.5 kg for four months. In conclusion, this study shows that Sasang constitutional medicine can be effective and safe treatment for the Soeumin patient with jaundice.

Effect of Earthworm Flour Supplemented Diet on the Liver Damage in CCl4-treated Rats (흰쥐에 있어서 간손상(肝損傷)에 미치는 토룡분(土龍粉) 첨가식이의 영향)

  • 윤종국;반재태;신중규
    • Journal of the East Asian Society of Dietary Life
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    • v.4 no.1
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    • pp.105-112
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    • 1994
  • To evaluate the role of dietary earthworm flour in liver injury by CCl4 treatment, the rats were fed 5% earthworm flour supplemented diet for 53 days and control rats were fed standard diet without earthworm supplementation. Liver damage was induced both in earthworm flour supplemented diet and control groups by two intraperitoneal injections of CCl4 at the level of 0.1$m\ell$/100g body weight(50% in olive oil) at intervals of 16 hours the increasing rate of lover weight/body weight(%) and serum levels of alanine aminotransferase activity to the control group were higher in CCl4-treated rats fed earthworm flour supplemented diet than those fed standard diet. The decreasing rate of hepatic microsomal aniline hydroxylase activity was also higher in rats fed earthworm supplemented rats by the CCl4 treatment, Hepatic glutathione S-transferase activity was sinificantly higher in rats fed earthworm supplemented diet than those fed standard diet. It is concluded that a dietary earthworm flour argument the metabolic rate of CCl in rats.

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The effect of reserpine and tryptophan administration on serum amino acid concentrations and organ composition in rats consumed diet with different dietary protein level (Reserpine과 tryptophan 투여가 식이 단백질 섭취 수준이 다른 흰쥐의 혈액 아미노산 농도와 장기 구성 성분에 미치는 영향)

  • 신동순
    • Journal of the Korean Home Economics Association
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    • v.30 no.4
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    • pp.89-105
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    • 1992
  • The purpose of this study was to see the effect of oral administration of reserpine (2mg/d) and tryptophan (40.35mg/d) on the serum amino acid concentrations and organ composition, food consumption, body weight, blood hematocrit(Hct) and hemoglobin(Hb) levels in Sprague-Dawley rats fed 6% or 20% casein diet. Any adverse effects of reserpine and tryptophan were not observed in animals, except that liver fat contents were increased in low protein group. In other words the administration of typtophan decreased liver fat contents in 6% casein and reserpine-treated 20% casein groups, but increased in reserpine-treated 6% casein group. But the low protein diet had significant adverse effects in animals. The 6% casein diet, therefore, had a tendency to decrease food consumption and body weight. The simillar tendency was shown in serum essential amino acid concentrations, organ weight and protein contents of liver and muscle. From the results, it would be safe to conclude that the oral administration of large deses of reserpine and tryptophan did not induce such a signifcant malnutrition as the low protein diet did.

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Effect of Oral Administration of Processed Sulphur on Hepatotoxicity (법제 유황 경구투여가 간독성에 미치는 영향)

  • Song, In-Sun;Youn, Dae-Hwan;Yoo, Hwa-Seung
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.21 no.4
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    • pp.898-906
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    • 2007
  • This study was to evaluate the effects of oral administration of Processed Sulphur on Hepatotoxicity. Processed Sulphur was administered orally to rats for 28 days. We measured the body and liver weight index, heamtological and biomedical parameters. We also observed the histopathological changes of liver in rats. No significant differences in body weight, liver weight index, heamtological and biomedical parameters and histopathological changes of hepatocyte between control and Processed Sulphur fed group were found. Our data indicate that hepatotoxicity was not caused by oral medication of Processed Sulphur up to 60mg/200g/day for 28 days in rats. Therefore, Processed Sulphur appears to be safe and non-toxic in these studies and a no-observed adverse effect level (NOAEL) in rats is established at 60mg/200g/day. The data could provide satisfactory preclinical evidence of safety to launch clinical trial on standardized formulation of mineral extracts.

A Difference in Ethanol Metabolism Between Premature and Young Adult Rats (미성숙 랫트와 젊은 성체 랫트간의 생체내 에탄올 대사의 차이)

  • Kim, Sung-Yeon;Kim, Sang-Kyum;Son, Young-Ran;Kim, Young-Chul
    • YAKHAK HOEJI
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    • v.41 no.4
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    • pp.492-497
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    • 1997
  • A difference in ethanol metabolism between premature and young adult rats was examined. Female SD rats, either 4wk or 12wk old, were injected with a single dose of ethanol (1.5g /kg) through jugular vein and the blood ethanol level was monitored for 300 min using a gas chromatographic method. Reduction of blood ethanol level per unit of time was less and the area under the blood concentration-time curve (AUC) was significantly greater in young adults compared to premature rats. Activity of hepatic alcohol dehydrogenase was not influenced by the age increase. Total cytochrome P-450, cytochrome $b_5$. or aminopyrine N-demethylation was not different between premature rats and young adult rats. However, p-nitrophenol hydroxylation and p-nitroanisole O-demethylation activities were significantly higher in premature rats. The relative liver weight was 45% greater in premature rats leading to an overall increase in ethanol metabolizing activity in these animals. The results indicate that the reduction in ethanol elimination in young adult rats appears to be mostly associated with the decrease in relative liver weight as the age of animals increases.

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Presence of Carbonic Anhydrase III in Liver of Flounder, Limanda yokohamae

  • Kho, Kang-Hee;Choi, Kap-Seong
    • Food Science and Biotechnology
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    • v.14 no.4
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    • pp.551-553
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    • 2005
  • Carbonic anhydrase III was found in liver of flounder, Limanda yokohamae. Protein was isolated from cytosolic extracts and identified using SDS-PAGE and isolectric focusing. Specific protein bands with molecular weight of 30 kDa and pIs of 7.0 and 6.5 were detected by Western blotting. This is the first report of identification of carbonic anhydrase III from L. yokohamae.

Biomolecular Mechanism of Cadmium Toxicity

  • Park, Jung-Duck
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.200-200
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    • 2002
  • Cadmium (Cd) is an environmental pollutant and categorized as a human carcinogen, which has a tendency to accumulate in the human body. The level of Cd in renal cortex and liver are good indicators as an index of Cd exposure in general population. Geometric mean concentration of Cd is 27.4 and 3.1 /g wet weight in renal cortex and liver, respectively, in Korean. Cd is toxic to a number of tissues, notably the liver, kidney, testis, lung, lymphoid tissue and lung. (omitted)

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The Effect of Dietary Caffeine Supplementation on Plasma and Liver Lipid Concentrations in Male Rats (카페인 첨가 식이가 성장기 수컷 흰쥐의 혈중 및 간 지질에 미치는 영향)

  • Choi, Mi-Ja;Lee, Ji-Eun
    • Journal of the East Asian Society of Dietary Life
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    • v.18 no.4
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    • pp.466-472
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    • 2008
  • The purpose of this study was to investigate the effect of dietary caffeine supplementation(0.033%/diet) on the plasma and liver lipid concentrations in rats. Twenty male Sprague-Dawley rats(body weight $200{\pm}10\;g$) were divided into two groups: the control group and the caffeine-supplemented group(0.033% caffeine-supplemented diet). All rats were fed an experimental diet, and deionized water was avaliable ad libitum for 6 weeks. Plasma lipid concentrations were measured with a commercial kit based on an enzymatic method, and liver lipid concentrations were measured using the Folch method. There were no significant differences in body weight gain, food intake or food efficiency ratio between the control and caffeine-supplemented group. The total cholesterol and LDL-cholesterol levels as well as the AI(athrogenic index) were significantly higher in rats fed the caffeine diet(0.033%) than in those fed the control diet. There were no significant differences in the liver total cholesterol and triglyceride levels between the control and caffeine-supplemented groups. Therefore, it seems possible that caffeine(0.033 g/100 g diet) may increase the plasma lipid concentration level in growing rats.

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