Du-zhong (Eucommia ulmoides Oliver) Leaf Extract Mediates Hypolipidemic Action in Hamsters Fed a High-Fat Diet

2008 ◽  
Vol 36 (01) ◽  
pp. 81-93 ◽  
Author(s):  
Myung-Sook Choi ◽  
Un Ju Jung ◽  
Hye-Jin Kim ◽  
Gyeong-Min Do ◽  
Seon-Min Jeon ◽  
...  

This study examined the effect of a Du-zhong (Eucommia ulmoides Oliver) leaf extract (0.175 g/100 g diet) that was supplemented with a high-fat diet (10% coconut oil, 0.2% cholesterol, wt/wt) on hyperlipidemic hamsters. Hamsters fed with Du-zhong leaf extract for 10 weeks showed a smaller size of epididymal adipocytes compared to the control group. The supplementation of the Du-zhong leaf extract significantly lowered the plasma levels of triglyceride, total cholesterol, LDL-cholesterol, non HDL-cholesterol, and free fatty acid, whereas it elevated the HDL-cholesterol/total cholesterol ratio and apolipoprotein A-I levels. The hepatic cholesterol concentration was lower in the Du-zhong group than in the control group. The plasma total cholesterol concentration was positively correlated with hepatic HMG- CoA reductase activity (r = 0.547, p < 0.05) and hepatic cholesterol concentration (r = 0.769, p < 0.001). The hepatic fatty acid synthase and HMG- CoA reductase activities were significantly lowered by a Du-zhong leaf extract supplement in high fat-fed hamsters. Hepatic fatty acid synthase activity was positively correlated with plasma fatty acid concentration (r = 0.513, p < 0.05) that was lower in the Du-zhong group. These results demonstrate that the Du-zhong leaf extract exhibits antihyperlipidemic properties by suppressing hepatic fatty acid and cholesterol biosynthesis with the simultaneous reduction of plasma and hepatic lipids in high fat-fed hamsters.

2013 ◽  
Vol 111 (8) ◽  
pp. 1412-1420 ◽  
Author(s):  
Janne K. Lorenzen ◽  
Søren K. Jensen ◽  
Arne Astrup

Despite a high content of saturated fat, evidence from observational studies indicates that the consumption of dairy products may have a neutral effect or may be inversely associated with the risk of CVD. We aimed to examine whether milk minerals modify the effect of saturated fat on serum lipid profile. We present data from two studies. Study I had a randomised, blinded, parallel design (n 24 pigs) with a 10 d adaptation period during which a high-fat diet was fed to the pigs and a 14 d intervention period during which the same diet either enriched with milk minerals (MM group) or placebo (control group) was fed to the pigs. Study II had a randomised cross-over design (n 9 men) where the subjects were fed either a high-fat diet enriched with milk minerals (MM period) or a regular diet (control period). In both the studies, blood variables were measured before and after the intervention and faecal and urine samples were collected at the end of the dietary periods. The increase in plasma total cholesterol and LDL-cholesterol concentrations but not in HDL-cholesterol concentration was markedly lowered by milk minerals in both the studies. In the animal study, baseline adjusted total cholesterol and LDL-cholesterol concentrations in the MM group were 11 % (P= 0·004) and 13 % (P= 0·03) lower compared with those in the control group after the intervention. Similarly in the human study, baseline adjusted total cholesterol and LDL-cholesterol concentrations were 6 % (P= 0·002) and 9 % (P= 0·03) lower after the MM period compared with those in the control period. HDL-cholesterol concentration was not lowered by milk minerals. These short-term studies indicate that the addition of milk minerals to a high-fat diet to some extent attenuates the increase in total cholesterol and LDL-cholesterol concentrations, without affecting HDL-cholesterol concentration.


Nutrients ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 2176 ◽  
Author(s):  
Jungbin Song ◽  
Young-Sik Kim ◽  
Linae Kim ◽  
Hyo Jin Park ◽  
Donghun Lee ◽  
...  

Prunus persica (L.) Batsch is a deciduous fruit tree cultivated worldwide. The flower of P. persica (PPF), commonly called the peach blossom, is currently consumed as a tea for weight loss in East Asia; however, its anti-obesity effects have yet to be demonstrated in vitro or in vivo. Since PPF is rich in phytochemicals with anti-obesity properties, we aimed to investigate the effects of PPF on obesity and its underlying mechanism using a diet-induced obesity model. Male C57BL/6 mice were fed either normal diet, high-fat diet (HFD), or HFD containing 0.2% or 0.6% PPF water extract for 8 weeks. PPF significantly reduced body weight, abdominal fat mass, serum glucose, alanine transaminase and aspartate aminotransferase levels, and liver and spleen weights compared to the HFD control group. Real-time quantitative polymerase chain reaction analysis revealed that PPF suppressed lipogenic gene expression, including stearoyl-CoA desaturase-1 and -2 and fatty acid synthase, and up-regulated the fatty acid β-oxidation gene, carnitine palmitoyltransferase-1, in the liver. Our results suggest that PPF exerts anti-obesity effects in obese mice and these beneficial effects might be mediated through improved hepatic lipid metabolism by reducing lipogenesis and increasing fatty acid oxidation.


2021 ◽  
Vol 10 (1) ◽  
pp. 9-15
Author(s):  
Muhammad Iqbal Reynaldi ◽  
Santoso Santoso ◽  
Kusmiyati Tjahjono

Background: High level of total cholesterol and tryglicerides in the blood can cause atherosclerosis. Curry leaves are often used by the society to reduce total cholesterol and trygliceride levels in the blood, but no studies have examinded the effective dosage of curry leaf extract to reduce total cholesterol and triglyceride levels.Aim: This study aims to determine the effect of giving curry leaf extract (Murraya koenigii) on cholesterol and triglyceride levels of male Sprague-Dawley rats induced by high fat feed.Methods: This study was a true experimental study with a pre-post test with randomized control group design. The subjects of the study were male Sprague-Dawley rats induced by high fat feed for 10 days. Cholesterol and triglyceride levels were measured by enymatic methods. Then, the data were analyzed using paired t test and for P3 group total cholesterol using the Wilcoxon test to analyze the differences in total cholesterol and triglyceride levels between before and after given the curry leaf extract, Repeated Anova test to analyzed the differences between groups which was then followed by post hoc bonferoni and One Way Anova to analyze the differences in total cholesterol and triglyceride levels between groups.Results: There was no significant differences in total cholesterol levels between before and after given the curry leaf extract at a dose of 200 mg/KgBW, 300 mg/KgBW, and 400 mg/KgBW (p= 0.641 for the P1 group, p= 0.385 for the P2 group and p= 0.398 for the P3 group). In contrast to triglyceride levels, there were differences in triglyceride levels before and after administration of curry leaf extrcat at a a dose of 300 mg/KgBW (p= 0.012), while the other groups were not significant.Conclusion: The stratified doses of curry leaf extract (Murraya koenigii) in this study could not reduce cholesterol level and triglyceride levelKeywords: Curry leaf extract; Dyslipidemia; Total Cholesterol; Triglyceride 


2016 ◽  
Vol 13 (2) ◽  
pp. 51
Author(s):  
Joyeti Darni ◽  
Kusmiyati Tjahjono ◽  
Muchlis Achsan Udji Sofro

Background: Hypercholesterolemic as an indicator of cardiovascular disease is a major cause of morbidity and mortality in the world. Increased oxidative stress in hypercholesterolemic triggers lipid peroxidation effect directly on the cell membrane damage and initiate various diseases. The use of natural materials with relatively few side effects is an hypercholesterolemic management alternative. Experimental studies showed that Alfalfa leaf extract had an effective antioxidant activity.Objective: To determine the effect of Alfalfa leaf extract on serum lipids and malondialdehyde (MDA) level of hypercholesterolemic rats.Method: Pre-posttest randomized control group used twenty-eight male Sprague-Dawley rats were randomly divided into four groups, hypercholesterolemic without treatment (control), hypercholesterolemic with extract at dose 20 mg/200 g/d (X1), dose 40 mg/200 g/d (X2), dose 60 mg/200 g/d (X3) for 21 days after the rats got hypercholesterolemic. Serum lipid was measured by CHOD-PAP method and level of MDA plasma was measured by TBARS method. A hypothesis test was analyzed by One Way ANOVA continued by Post hoc LSD test.Results: Alfalfa extract significant decrease in serum total cholesterol (114.18±3.0 mg/dl; p<0.001). LDL cholesterol level was the lowest in group X3 (45.26±6.03 mg/dL; p<0.001), and triglycerides level was the lowest in group X3 (77.33±2.69 mg/dL; p<0.001). There were no differences in MDA plasma level was the lowest in the group X3 (2.07±0.09 nmol/ml; p<0.001) and a significant increase in serum HDL cholesterol (43.21±7.80 mg/dL; p<0.001).Conclusion: The treatment of Alfalfa (Medicago sativa) leaf extract gives an effect of lower total cholesterol, LDL cholesterol, triglycerides, MDA and gives an effect higher HDL cholesterol.


2016 ◽  
Vol 2016 ◽  
pp. 1-16 ◽  
Author(s):  
Yueh-Hsiung Kuo ◽  
Cheng-Hsiu Lin ◽  
Chun-Ching Shih ◽  
Chang-Syun Yang

The purpose of this study was to screen firstly the potential effects of antcin K (AnK), the main constituent of the fruiting body ofAntrodia camphorata,in vitroand further evaluate the activities and mechanisms in high-fat-diet- (HFD-) induced mice. Following 8-week HFD-induction, mice were treated with AnK, fenofibrate (Feno), metformin (Metf), or vehicle for 4 weeks afterward. In C2C12 myotube cells, the membrane GLUT4 and phospho-Akt expressions were higher in insulin and AnK-treated groups than in the control group. It was observed that AnK-treated mice significantly lowered blood glucose, triglyceride, total cholesterol, and leptin levels in AnK-treated groups. Of interest, AnK at 40 mg/kg/day dosage displayed both antihyperglycemic effect comparable to Metf (300 mg/kg/day) and antihypertriglyceridemic effect comparable to Feno (250 mg/kg/day). The combination of significantly increased skeletal muscular membrane expression levels of glucose transporter 4 (GLUT4) but decreased hepatic glucose-6-phosphatase (G6 Pase) mRNA levels by AnK thus contributed to a decrease in blood glucose levels. Furthermore, AnK enhanced phosphorylation of AMP-activated protein kinase (phospho-AMPK) expressions in the muscle and liver. Moreover, AnK treatment exhibited inhibition of hepatic fatty acid synthase (FAS) but enhancement of fatty acid oxidation peroxisome proliferator-activated receptorα(PPARα) expression coincident with reduced sterol response element binding protein-1c (SREBP-1c) mRNA levels in the liver may contribute to decreased plasma triglycerides, hepatic steatosis, and total cholesterol levels. The present findings indicate that AnK displays an advantageous therapeutic potential for the management of type 2 diabetes and hyperlipidemia.


2021 ◽  
Vol 1162 ◽  
pp. 166-172
Author(s):  
Widyasari Putranti ◽  
Lina Widiyastuti ◽  
Moch. Saiful Bachri ◽  
Defianti

Celery herb contains flavonoid which can hamper cholesterol synthesis through inhibitor HMG-CoA reductase. Bay leaf has a working mechanism that stimulates bile fluid secretion and stimulates blood circulation. This research aims to know the activity combinations of bay leaf ethanol extract (BLEE) and celery herb ethanol extract (CHEE) and to know which dose mostly can decrease lipid profile levels. The design of this research uses experimental with pre-post control group design. The mice are rendered with NaCl 8% solution and High Fat Feed. The mice are divided into 9 groups, in each group there are 5 mice which are normal group, control group, HCT group, Simvastatin group, and CHEE 4.50 mg/kgBW, BLEE 25.00 mg/kgBW, combination 1, combination 2, and combination 3. Data analysis is conducted with Normality test, One Way ANOVA test, Kruskal-Wallis, Mann-Whitney. Based on the research after they are induced with NaCl 8% solvent and given high-fat feed, the extract can increase total cholesterol levels, triglycerides, LDL, and also significantly decrease HDL (p <0.05). After giving a test extract solution, it can reduce total cholesterol, triglycerides, LDL, and also significantly increase HDL levels (p <0.05). The conclusion, the three variations combinations dose can decrease total cholesterol, Triglycerides, LDL, and also increase HDL levels, and combination dose 3 has the greatest decrease in total cholesterol, triglyceride, LDL, and the highest increase in HDL levels. So the lower the total cholesterol level, the lower the possibility of hypertension.


Nutrients ◽  
2021 ◽  
Vol 13 (11) ◽  
pp. 3703
Author(s):  
Latha Ramalingam ◽  
Kalhara R. Menikdiwela ◽  
Stephani Spainhour ◽  
Tochi Eboh ◽  
Naima Moustaid-Moussa

Pre-pregnancy obesity is a contributing factor for impairments in offspring metabolic health. Interventional strategies during pregnancy are a potential approach to alleviate and/or prevent obesity and obesity related metabolic alterations in the offspring. Fish oil (FO), rich in omega-3 polyunsaturated fatty acids (n-3 PUFAs) exerts metabolic health benefits. However, the role of FO in early life remains still unknown. Hence, this study objective was to determine the effect of FO supplementation in mice from pre-pregnancy through lactation, and to study the post-natal metabolic health effects in gonadal fat and liver of offspring fed high fat (HF) diet with or without FO. Female C57BL6J mice aged 4–5 weeks were fed a HF (45% fat) diet supplemented with or without FO (30 g/kg of diet) and low fat (LF; 10% fat) pre-pregnancy through lactation. After weaning, offspring (male and female) from HF or FO dams either continued the same diet (HF-HF and FO-FO) or switched to the other diet (HF-FO and FO-HF) for 13 weeks, creating four groups of treatment, and LF-LF was used as a control group. Serum, gonadal fat and liver tissue were collected at termination for metabolic analyses. Offspring of both sexes fed HF with or without fish oil gained (p < 0.05) more weight post weaning, compared to LF-LF-fed mice. All the female offspring groups supplemented with FO had reduced body weight compared to the respective male groups. Further, FO-FO supplementation in both sexes (p < 0.05) improved glucose clearance and insulin sensitivity compared to HF-HF. All FO-FO fed mice had significantly reduced adipocyte size compared to HF-HF group in both male and females. Inflammation, measured by mRNA levels of monocyte chemoattractant protein 1 (Mcp1), was reduced (p < 0.05) with FO supplementation in both sexes in gonadal fat and in the liver. Markers of fatty acid synthesis, fatty acid synthase (Fasn) showed no sex specific differences in gonadal fat and liver of mice supplemented with HF. Female mice had lower liver triglycerides than male counterparts. Supplementation of FO in mice improved metabolic health of offspring by lowering markers of lipid synthesis and inflammation.


2003 ◽  
Vol 90 (5) ◽  
pp. 887-893 ◽  
Author(s):  
Anna M. Giudetti ◽  
Anton C. Beynen ◽  
Arnoldina G. Lemmens ◽  
Gabriele V. Gnoni ◽  
Math J. H. Geelen

In the present study the effects of some C18fatty acids on hepatic fatty acid metabolism have been compared. Male rats were fed cholesterol-free diets containing either C18:0, C18:1cisor C18:1transisomers as the variables. In accordance with previous work, oleic acid in the diet caused an increase in cholesterol concentration in the liver and in the lipoprotein fraction of density (d; kg/l)<1·006. Oleic acid also reduced the triacylglycerol:cholesterol value in this fraction. Surprisingly, the C18:1transisomers diet induced a decrease in the amount of cholesterol in total plasma as well as in the 1·019<d<1·063 lipoprotein fraction. Both oleic acid and C18:1transisomers increased the concentration of triacylglycerols in the liver. The two C18:1fatty acids differently influenced the hepatic activities of carnitine palmitoyltransferase-I and 3-hydroxy-acyl-CoA dehydrogenase; both enzymes were inhibited by C18:1transisomers, while no change was induced by oleic acid. The activity of the citrate carrier was lower in the oleic acid- and C18:1transisomers-fed rats, when compared with the rats fed stearic acid. No diet effects were seen for the activities of acetyl-CoA carboxylase, fatty acid synthase, diacylglycerol acyltransferase, citrate synthase and phosphofructokinase. The results are interpreted in that oleic acid raised liver triacylglycerol by reducing the secretion of it with thed<1·006 lipoprotein fraction whereas the C18:1transisomers enhanced liver triacylglycerol by lowering the hepatic oxidation of fatty acids.


2013 ◽  
Vol 305 (2) ◽  
pp. E293-E304 ◽  
Author(s):  
Masateru Ushio ◽  
Yoshihiko Nishio ◽  
Osamu Sekine ◽  
Yoshio Nagai ◽  
Yasuhiro Maeno ◽  
...  

Nonalcoholic fatty liver disease is the most frequent liver disease. Ezetimibe, an inhibitor of intestinal cholesterol absorption, has been reported to ameliorate hepatic steatosis in human and animal models. To explore how ezetimibe reduces hepatic steatosis, we investigated the effects of ezetimibe on the expression of lipogenic enzymes and intestinal lipid metabolism in mice fed a high-fat or a high-fructose diet. CBA/JN mice were fed a high-fat diet or a high-fructose diet for 8 wk with or without ezetimibe. High-fat diet induced hepatic steatosis accompanied by hyperinsulinemia. Treatment with ezetimibe reduced hepatic steatosis, insulin levels, and glucose production from pyruvate in mice fed the high-fat diet, suggesting a reduction of insulin resistance in the liver. In the intestinal analysis, ezetimibe reduced the expression of fatty acid transfer protein-4 and apoB-48 in mice fed the high-fat diet. However, treatment with ezetimibe did not prevent hepatic steatosis, hyperinsulinemia, and intestinal apoB-48 expression in mice fed the high-fructose diet. Ezetimibe decreased liver X receptor-α binding to the sterol regulatory element-binding protein-1c promoter but not expression of carbohydrate response element-binding protein and fatty acid synthase in mice fed the high-fructose diet, suggesting that ezetimibe did not reduce hepatic lipogenesis induced by the high-fructose diet. Elevation of hepatic and intestinal lipogenesis in mice fed a high-fructose diet may partly explain the differences in the effect of ezetimibe.


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