• Title/Summary/Keyword: hypolipidemic action

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Search for Naturally Occurring Hypolipidemic Principles (천연에 존재하는 고지질혈증 개선 활성성분의 탐색)

  • 최재수;양한석
    • Journal of Life Science
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    • v.3 no.2
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    • pp.79-90
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    • 1993
  • The present paper reviews the active natural principles and crude extracts of plants which have been experimentally studied for hyploipidemic activity in the last decades. Phytoconstituents with known structures have been classified in appropriate chemical groups The data are reported on their pharmacological activity, mechanism of action and other properties. This review also describes the inducing method of experimental hypolipidemic animals appeared in the literature.

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Hypoglycemic and Hypolipidemic Effects of Tectorigenin and Kaikasaponin III in the Streptozotocin-Induced Diabetic Rat and their Antioxidant Activity in vitro

  • Lee, Kyung-Tae;Sohn, Il-Cheol;Kim, Dong-Hyun;Choi, Jong-Won;Kwon, Sang-Hyuk;Park, Hee-Juhn
    • Archives of Pharmacal Research
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    • v.23 no.5
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    • pp.461-466
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    • 2000
  • Tectorigenin and kaikasaponin III from the flowers of Pueraria thunbergiana showed potent hypoglycemic and hypolipidemic effects in the streptozotocin-induced diabetic rats. Intraperitoneal administration of these two compounds with 5 and 10 mg/kg, respectively, for seven days to streptozotocin-induced rats significantly reduced the blood glucose, total cholesterol, LDL- and VLDI-cholesterol and triglyceride levels when compared with those of control group. Glycitein in which 5-OH is unlinked and tectoridin (7-O-glycoside of tectorigenin) isolated from the flowers of P. thunbergiana did not improve hyperglycemia and hyperlipidemia. In addition, tectorigenin showed in vitro antioxidant effects on 1,1-diphenyl-B-pirylhydrazyl (DPPH) radical, xanthine-xanthine oxidase superoxide anion radical, and lipid peroxidation in rat microsomes induced by enzymatic and non-enzymatic methods. We further found that tectorigenin and kaikasaponin III protected the Vero cell line(normal monkey kidney) from injury by hydrogen peroxide. From these findings, it seems likely that the antioxidant action of tectorigenin and kaikasaponin III may alleviate the streptozotocin-induced toxicity and contribute to hypoglycemic and hypolipidemic effects.

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Biological Activities of the Extracts from Fruit and Stem of Prickly Pear(Opuntia ficus-indica var. saboten) II.-Effects on Dietary induced Hyperlipidemia (손바닥선인장 열매 및 줄기 추출물의 생리활성(II)-흰쥐의 식이성 고지혈증에 미치는 영향)

  • Lee, Chung-Kyu;Lee, Young-Chul;Moon, Young-In;Park, Hee-Juhn;Han, Yong-Nam;Choi, Jong-Won
    • Korean Journal of Pharmacognosy
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    • v.33 no.3 s.130
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    • pp.230-237
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    • 2002
  • Prickly pear(Opuntia ficus-indica var saboten Makino, Cactaceae) is widely used as folk medicine for burned wound, edema and indigestion. To confirm the hypolipidemic action of the extract from Cactus stem and fruit in dietary hyperlipidemic rats, variations of the lipid- or cholesterol-related components were investigated. As results these changes were significantly prevented by treatments with Cactus extracts. The effects of the extract of fruit was better than those of stem.

The Bile Acid Absorption Activity of Chitosan Derivatives (키토산 유도체의 담즙산 흡착 활성)

  • Lee, Ai-Leen;Lee, Kang-Man
    • YAKHAK HOEJI
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    • v.42 no.6
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    • pp.572-575
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    • 1998
  • Chitosan has been known to have hypocholesterolemic and hypolipidemic effects in animal studies. Chitosan also absorbs bile acids in vitro and in vivo, which might result in the hypocholesterolemic action. Trialkyl chitosan derivatives were prepared and tested for bile acid absorption activity in vitro. The derivatives showed enhanced absorption capacities which were comparable to cholestyramine.

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A study on anti-thrombotic activity of Hwao-tang

  • Park Tae Woo;Park Won Hwan
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.16 no.1
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    • pp.181-185
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    • 2002
  • The thrombosis is the category of blood stasis. Blood stasis is a pathologicial state resulting from the reverse or impeded flow of blood in the body or the stagnation of blood flow in local parts as well as abnormal blood outside of the vessles which remains in the body and fails to disperse. Hwao-tang has been reported to have a hypolipidemic effect in patients with hypercholesterolemia, and in highcholesterol-induced experimental models. The present paper reports the effects of HOT on atherosclerosis using a spontaneous experimental model, Kurosawa and Kusanagi-hypercholesterolemic (KHC) rabbits. We have also investigated the pharmacological effect of extracts obtained from HOT on collagen-and ADP-induced blood platelet aggregation, thrombin-induced conversion of fibrinogen and fibrinolysis in in vitro experiments. In conclusion, the protection of extracts of Korean herbs' HOT on the ischemic infarction induced artificially might be involved to their inhibition of thrombotic action.

Effect of Tectorigenin obtained from Pueraria thunbergiana Flowers on Phase I and -II Enzymes and Tissue Factor in the Streptozotocin-induced Diabetic Rat

  • Choi, Jong-Won;Shin, Myung-Hee;Park, Kun-Young;Lee, Kyung-Tae;Jung, Hyun-Ju;Park, Hee-Juhn
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.386.2-386.2
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    • 2002
  • We investigated the effect of tectorigenin (1) with hypoglycemic and hypolipidemic effects on Phase I and II enzymes and TF activity to elucidate the action of an immunosuppressive compound (1) in the diabetic rat. Compound 1 was obtained from the hydrolysis of tectoridin easily isolated from the flower of Pueraria thunbergiana(Leguminosae). Puerariae Flos has been used as therapeutics for diabetes mellitus in traditional medicine of Korea. (omitted)

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Effects of dietary fish oil and trans fat on rat aorta histopathology and cardiovascular risk markers

  • Park, Seon-Hye;Park, Yong-Soon
    • Nutrition Research and Practice
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    • v.3 no.2
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    • pp.102-107
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    • 2009
  • Fish oil and shortening have been suggested to have opposite effects on cardiovascular disease (CVD). This study investigated the effect of shortening and fish oil on CVD risk factors and aorta histopathology, and the association between risk factors and aorta histopathology. Male Wister rats (n=30) were fed an AIN-93G diet containing 20% fat in the form of fish oil, shortening, or soybean oil for 4 weeks. Total cholesterol (TC), triacylglyceride (TG), and C-reactive protein levels were significantly (P<0.001) lower in the fish oil than in soybean oil and shortening groups. HDL-cholesterol concentrations were significantly different (P<0.001) between groups. In addition, LDL-cholesterol levels were significantly (P<0.001) lower in the fish oil and shortening groups than in the soybean oil group. Insulin and glucose concentrations did not differ among groups. Effect of dietary fat on tissue fatty acid composition significantly differed in abdominal fat and brain compared with RBC, heart, kidney and liver. The aortic wall was significantly (P=0.02) thinner in the fish oil group than in the soybean oil and shortening groups. The aortic wall thickness was positively correlated with TG and TC, but negatively with EPA + DHA levels of all tissues. These results suggested that fish oil had protective effects on aorta histopathology by hypolipidemic action in this rat model.

Effects of the Water Extract from the Stem Bark of Acanthopanax senticosus on Hyperlipidemia in Rats (가시오갈피 줄기의 물 추출물이 지질대사에 미치는 영향)

  • Lee, Yeon-Sil;Jung, Sang-Hoon;Lim, Soon-Sung;Ji, Jun;Lee, Sang-Hyun;Shin, Kuk-Hyun
    • Korean Journal of Pharmacognosy
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    • v.32 no.2 s.125
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    • pp.103-107
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    • 2001
  • The effects of the water extract from the stem bark of Acanthopanax senticosus were evaluated on hyperlipidemic rats induced by lipid rich diet or poloxamer-407. The water extracts, when administered orally for 3 consecutive days in hyperlipidemic rats induced by poloxamer-407 (1 ml of 30%), was found to cause a significant decrease in plasma cholesterol and triglyceride concentrations. The water extracts, when treated orally for 5 consecutive days also showed a significant inhibition of serum total cholesterol and triglyceride level in rats treated with lipid rich diet (15% cholesterol, 1% sodium cholate and 84% com oil). HDL-cholesterol, however, was increased significantly.

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Anti-obese related pharmacological effects of standard potato protein extracts on the 45%Kcal high fat diet supplied mice

  • Kang, Su-Jin;Song, Chang-Hyun;Kim, Jong-Kyu;Chun, Yoon-Seok;Han, Chang-Hyun;Lee, Young-Joon;Ku, Sae-Kwang
    • Journal of Society of Preventive Korean Medicine
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    • v.22 no.2
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    • pp.77-107
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    • 2018
  • Objectives : In present study, therefore, possible beneficial pharmacological activities of standard potato protein extracts (SPE) were observed on the mild diabetic obese mice. Methods : After end of 12 weeks of continuous oral administrations of three different dosages of SPE 400, 200 and 100 mg/kg, or metformin 250 mg/kg, analyzed the hepatoprotective, hypolipidemic, hypoglycemic, nephroprotective and anti-obesity effects, separately. In addition, liver antioxidant defense systems were additionally measured with lipid metabolism-related genes expressions and hepatic glucose-regulating enzyme activities for action mechanism. Results : All of diabetes and related complications including obesity were significantly inhibited by treatment of SPE 400, 200 and 100 mg/kg, dose-dependently, and they also dramatically normalized the hepatic lipid peroxidation and depletion of liver endogenous antioxidant defense system, the changes of the hepatic glucose-regulating enzyme activities, also changes of the lipid metabolism-related genes expressions including hepatic $AMPK{\alpha}1$ and $AMPK{\alpha}2$ mRNA expressions, dose-dependently. Especially, SPE 200 mg/kg constantly showed favorable inhibitory activities against type II diabetes and related complications as comparable to those of metformin 250 mg/kg in HFD mice, respectively. Conclusions : The present work demonstrated that SPE 400, 200 and 100 mg/kg showed favorable anti-diabetic and related complications including obesity refinement activities in HFD mice, through AMPK upregulation mediated hepatic glucose enzyme activity and lipid metabolism-related genes expression, antioxidant defense system and pancreatic lipid digestion enzyme modulatory activities.