• Title/Summary/Keyword: Hypocholesterolemic

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Effects of Dietary Fiber Sources and Levels on Lipid Metabolism in Rats fed High Lard Diet (식이섬유의 종류와 섭취수준이 고지방식을 섭취한 흰쥐의 체내 지질대사에 미치는 영향)

  • 장수정
    • Journal of Nutrition and Health
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    • v.28 no.2
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    • pp.107-114
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    • 1995
  • These works were designed to examine the effects of dietary fiber sources and levels on lipid metabolism in rats fed high lard diet. Rats were divided into three($\alpha$-cellulose, polydextrose, carrageenan) groups and were fed with containing 6% fiber diet. Serum, liver and fecal lipid contents were examined after four weeks of dieting. Also, in order to investigate whether hypocholesterolemic effect of dietary fiber at 4 weeks is continued at 8 weeks, rats were fed with diets containing same sources with different levels of each dietary fiber and were sacrificed after eight weeks of dieting. Serum cholesterol in rats fed carrageenan diet and polydextrose diet were reduced compared with $\alpha$-cellulose-fed group at both four and eight weeks dieting. Liver cholesterol in both polydextrose-fed and carrageenan-fed group were lower than $\alpha$-cellulose-fed group. Fecal total group were increased compared with $\alpha$-cellulose-fed group. On the other hand, there was no significant difference between polydextrose-fed and carrageenan-fed group. On the basis of the results, it was suggested that the hypocholesterolemic effect of soluble fiber used in this study (polydextrose, carageenan) on rats was due to the inhibition of cholesterol absorption on the intestinal lumen and acceleration of cholesterol catabolism in the liver and enhancement of bile acids excretion. On the other hand, insoluble fiber($\alpha$-cellulose) showed no hypo-cholesterolemic effect.

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Water Extract of Kudzu Root (Pueraria radix) Decreases Apolipoprotein B100 and B48 Production in Vitro

  • Lee, Jeong-Sook
    • Preventive Nutrition and Food Science
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    • v.7 no.4
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    • pp.353-357
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    • 2002
  • We have previously demonstrated that kudzu root extracts have a hypocholesterolemic effect on rats fed diets high in fat and cholesterol. To further elucidate the mechanism involved, in this study we investigated the effect of water extracts of kudzu root, Pueraria radix, on the production of apolipoprotein B$_{100}$ (APo B$_{100}$) in HepG$_2$ liver cells and secretion of apolipoprotein B$_{48}$ (Apo B$_{48}$) in Caco$_2$ cells. Human cell lines, HepG$_2$ liver cells and Caco$_2$ intestinal epithelial cells, were grown with various concentrations (0%, 0.5%, 1.0%, 1.5%, 2.0%) of water extracts of kudzu root in the media. The kudzu root extract decreased Apo B$_{100}$ production and secretion. Treatment of HeP G$_2$ cells with the kudzu root extract also significantly decreased the intracellular total and free cholesterol concentration, and also decreased esterified cholesterol but was only significant at the highest dose of 2%. Apo B$_{48}$ production, but not secretion, from enterocytes was lowered by the kudzu root extracts. This research provided evidence that the hypocholesterolemic properties of kudzu root may be a consequence of decreased production and secretion of Apo B$_{100}$ in the liver and Apo B$_{48}$ in the intestine.

The Hypocholesterolemic Effect of Platycodi radix Saponin in Rats Fed a Hypercholesterol Diet (길경 saponin이 고콜레스테롤식이를 공급한 흰쥐의 지질대사에 미치는 영향)

  • Won, Hyang Rye
    • The Korean Journal of Community Living Science
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    • v.24 no.1
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    • pp.141-149
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    • 2013
  • The objective of this study is to find the effect of improving hyperlipidemia through Platycodi radix saponin. A hypercholoesterol diet and Platycodi radix saponin methanol extract were supplemented to the 6 week old male Spargue Dawley rats for four weeks. Results showed that the serum total cholesterol, triglyceride and LDL-cholesterol level decreased in the group supplemented with Platycodi radix saponin methanol extract(p<0.05), however, the serum total lipid and HDL-cholesterol did not show any difference from the control group according to the supplement of Platycodi radix saponin methanol extract. In the group supplemented with Platycodi radix saponin methanol extract, the total cholesterol decreased by 20%, triglyceride by 36% and LDL-cholesterol by 25% respectively, and there was no difference according to the level of Platycodi radix saponin methanol extract. AI(atherogenic index) and CRF(cardiac risk factor) were low in the group supplemented with Platycodi radix saponin methanol extract. Total lipid, total cholesterol and triglyceride in liver and feces were significantly low in the group supplemented with the Platycodi radix saponin methanol extract compared with the control group(p<0.05). According to this result, it is expected that the Platycodi radix saponin methanol extract supplemented in the hypercholesterol diet can lower atherosclerosis, the cause of cardiovascular disease, by reducing not only serum cholesterol and triglyceride but also liver cholesterol and triglyceride.

Effects of Indigestible Dextrin on Lipid Metabolism in Rats Fed Normal or High Fat Diet (식이지방 수준이 다른 식이를 섭취한 흰쥐의 체내 지질대사에 대한 난소화성 덱스트린의 섭취 효과)

  • 우동호;강현숙;이연숙;박양자;이현수
    • Journal of Nutrition and Health
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    • v.31 no.6
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    • pp.981-990
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    • 1998
  • The effects of indigestible dextrin on lipids in serum, tissue, and feces were investigated in two experiments carried out with 64 male Sprague-Dawley rats for eight weeks. Experiment I diet(normal fat diet) containing 5% corn oil and experiment II diet(high fat diet) containing 18% fat(13% beef tallow and 5% corn oil) and 1% cholesterol were divided into four groups with 0.5% cellulose(0.5CL : control), 10% cellulose(10CL), 10% Indigestible dextrin I(ID-I) and 10% indigestible dextrin II(ID-II), respectively. ID-I and ID-II diets produced a decrease in serum total lipid and cholesterol concentrations in both normal and high fat diets but more significantly in the groups fed high fat diet. ID-I, ID-II, and 10CL of high fat diet decreased serum glucose concentration. ID-I and ID-II diets also decreased liver cholesterol and triglyceride concentrations in rats fed normal and high fit diets. The fecal excretion of cholesterol in ID-II/high fat diet was significantly higher than that of 0.5CL diet. Bile acid excretion was increased in the rats fed 10CL and ID-II diets of normal and high fat diets. These observations indicat the hypolipidemic and hypocholesterolemic effects of indigestible dextrin on the rats. These effects are mediated by the increase of facal cholesterol and bile acid excretion. (Korean J Nutrition31(6) : 981-990, 1998)

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Optimum Conditions for Production of Mevinolin from the Soybean Fermented with Monascus sp. (홍국균(Monascus sp.) 발효콩의 mevinolin 생산 조건)

  • Pyo, Young-Hee
    • Korean Journal of Food Science and Technology
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    • v.38 no.2
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    • pp.256-261
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    • 2006
  • Soybeans were fermented with Monascus sp. to select strain with highest mevinolin production through solidstate fermentation. Monascus pilosus IFO 480 showed highest yield of 2.2 mg mevinolin per g dry weight without citrinin, toxic fungal secondary metabolite, as byproduct. Nutrient broth used for soybean fermentation with Monascus sp. was composed of 3.4 rice powder, 1.1 peptone, 2.6 glycine, 12.9 glucose, initial pH 6.0 (%, w/v). Mevinolin was present in fermentation substrate largely as hydroxy carboxylate form (open lactone, 91.8-96.8%), which is used as hypocholesterolemic agent. Production of mevinolin continued up to 50 days fermentation time at $30^{\circ}C$.

Effects of Dietary Calcium Levels on Lipid Metabolism in Rats Fed High Fat Diet with or without Supplemental Cholesterol (식이칼슘 수준이 콜레스테롤 첨가 또는 무첨가 고지방식 섭취 흰쥐의 지질대사에 미치는 영향)

  • 이연숙;고정숙;정금희;강현숙
    • Korean Journal of Rural Living Science
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    • v.4 no.2
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    • pp.75-81
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    • 1993
  • This study was performed to investigate the effects of dietary calcium on blood and tissue lipids of adult rats fed a high fat diet with or without supplemental cholesterol for 4 weeks. Male Sprague-Dawley rats were fed the experimental diets containing 18%(w/w) beef tallow and three levels of calcium 0.1%, 0.5% and 1.5%. The contents of total lipid, cholesterol, triglyceride and phospholipid in blood, liver, small intestine, aorta, small intestinal contents and feces were determined. Only in rats fed the diets containing 1% cholesterol the concentration of cholesterol in aortic serum and various tissues significantly increased, and then decreased with increasing dietary calcium intake. Another observation was that high Ca intake significantly facilitated the fecal lipid and cholesterol excretion and bowel movement. These results suggest that possible hypocholesterolemic effects of dietary calcium could be related to the hypercholesterolemia and to the increase in excretion of fecal lipid and cholesterol.

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Extracts of Housefly Maggot Reduces Blood Cholesterol in Hypercholesterolemic Rats (고콜레스테롤 랫드에서 파리유충 추출물의 혈액지질 감소기전)

  • Park, Byung-Sung;Park, Sang-Oh
    • Journal of the Korean Applied Science and Technology
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    • v.31 no.1
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    • pp.101-112
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    • 2014
  • The aim of this study was to evaluate the biological mechanism of orally administered ethanolic extract of fly maggot(EM) on hypocholesterolemic rats fed a high-cholesterol diet. Sprague Dawley male rats were divided into four groups (EM dose control=0, 5.0, 7.0, and 9.0 mg/100 g BW) and were treated for 6 weeks. EM groups revealed a significant reduction in serum triglyceride, total cholesterol, and LDL-C when compared with the control group(p<0.05). HMG-CoA reductase activity in EM groups were lower than those of the control group, but total sterol, neutral sterol, and bile acid excretion were increased in EM groups when compared with the control group(p<0.05). To identify the biological mechanism of EM towards the hypocholesterolemic effect, sterol response element binding proteins (SREBPs) and the peroxisome proliferator-activated receptors ($PPAR{\alpha}$ transcription system were determined in rats fed a high-cholesterol diet. It was discovered that EM suppress the expression of SREBP-$1{\alpha}$ and SREBP-2 mRNA in the liver tissues of high-cholesterol diet fed rats, while simultaneously increasing the expression of $PPAR{\alpha}$ mRNA(p<0.05). This finding indicates that EM may have hypocholesterolemic effects in rats fed a high-cholesterol diet, by regulating cholesterol metabolism-related biochemical parameters and SREBP-$1{\alpha}$ SREPB-2 and $PPAR{\alpha}$gene expression.

Effect of $\beta$-cyclodextrin on decreasing body weight, body fat, abdominal size in obesity (베타-사이클로텍스트린의 체중, 체지방, 복부비만 감소효과)

  • 박태준;이은석;강환구;박병성
    • Proceedings of the KSCN Conference
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    • 2003.05a
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    • pp.139-140
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    • 2003
  • 베타-사이클로덱스트린은 7개의 글루코스 단위가 $\alpha$-1,4 결합으로 연결된 환상고리형 올리고당으로서 전분을 효소처리하여 추출한 물질이다. 베타-사이클로덱스트린은 혈액내 지질 함량을 현저하게 떨어뜨릴 수 있는 hypolipdemic, hypotriacylglyceridemic 그리고 hypocholesterolemic 효과를 가지므로 비만을 예방하는데 도움이 될 수 있다. 본 연구의 목적은 베타-사이클로덱스트린을 이용하여 조제된 펠렛 형태의 식이가 비만인의 체중, 체지방, 복부비만 감소 및 혈액 지질함량 감소에 미치는 효과를 조사하는 것이었다. (중략)

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Adsorption Behaviors of Indomethacin on Cholestyramine Resin (콜레스티라민 수지에의 인도메타신 흡착)

  • Kim, Kyung-Soon
    • Journal of Pharmaceutical Investigation
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    • v.18 no.3
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    • pp.133-137
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    • 1988
  • In vitro studies were performed on the interaction of indomethacin with cholestyramine, a hypocholesterolemic substance. Cholestyramine showed a marked affinity for indomethacin among tested acidic drugs and the intensity of adsorption was dependent on pH, temperature and sodium chloride. Moreover, the combination of indomethacin with some acidic drugs that formed complexes with cholestyramine, considerably inhibited the adsorption of indomethacin on the resin.

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Free Radical Scavenging Activities of Chitosan Oligosaccharides Produced by Bioreactor

  • Park, Pyo-Jam;Byun, Hee-Guk;Kim, Se-Kwon
    • Proceedings of the Korean Society of Fisheries Technology Conference
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    • 2001.10a
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    • pp.241-242
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    • 2001
  • Chitosan, a deacetylated derivative of chitin, is one of the abundant resources, and its biological properties such as antibactierial activity, hypocholesterolemic activity, and hypertensive action are remarked. However, increasing attention has recently been yen to converting chitosan to its oligosaccharides because they possess various functional properties like antitumor activity, immune-enhancing effects, enhancing protective effects against infection with some pathogens in mice, antifungal activity, and antimicrobial activity (Jeon et al., 2001). (omitted)

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