This study was performed to investigate the anti-obesity effect of Eisenia bicyclis in mice fed a high-fat diet (HFD). Male C57BL/6J mice were divided into three groups that were fed a normal diet, an HFD, or an HFD supplemented with a 5% powder of Eisenia bicyclis (PEB) for 8 weeks. The PEB group showed lower body weight gains than the HFD group. The PEB group also exhibited reduced body fat mass and adipose cell size in epididymal adipose tissue. The concentrations of serum cholesterol, leptin, and insulin in the PEB group were significantly lower than those in the HFD group. Liver triglyceride content was significantly decreased by PEB supplementation. Furthermore, hematoxylin and eosin staining revealed that PEB supplementation reduced lipid droplet formation in the liver induced by HFD. These results suggest that PEB supplementation reduces body weight gain and fat accumulation in HFD-induced obese mice.
This study was conducted to investigate the cholesterol and Triglyceride (TG) lowering and anti-obesity effects of water extract of vegetable formula (onion 25%, carrot 20%, Cabbage 20%, Sweet Pumpkins 20%, Chinese plum 5%, turmeric 5%, morus leaves 5%, SLS) in mice fed high fat-diet. ICR mice were divided into 3 groups; a normal diet group (ND), a high-fat diet group (HFD), a high-fat diet and SLS with 300 mg/kg treated group (HFD+SLS). Body fat gain was increased by high-fat diet and HFD+SLS group showed a definite weight loss. The total cholesterol level in the HFD+SLS group was 328.4 mg/dl which was 27.4% lower than that in the HFD group and the cholesterol-lowering effect of SLS was confirmed. The HFD + SLS group showed 118.1 mg/dl and the triglyceride level in the serum was decreased by 88.7% compared to the HFD group and SLS significantly decreased blood triglyceride levels. RT-PCR showed that the expression of PPAR-${\gamma}$ and the target gene SCD-1 was inhibited in a dose-dependent manner in the SLS-treated group. These results suggest that the SLS water extract may have a cholesterol and triglyceride-lowering effect and inhibit the expression of PPAR-${\gamma}$ and SCD-1 to have an anti-obesity effect.
Fatty liver disease refers to a range of disorders associated with fatty liver, which occur in excessive eating, evident infection or significant consumption of alcohol. This study was to investigate the effects of water and ethanol extracts of Triticum aestivum young leaf on lipid metabolism and accumulation in liver of mice fed with high-fat diet. Male C57BL/6 mice were divided into normal diet group, high fat diet (HFD) group, high fat diet group administrated with 200 mg/kg/day of T. aestivum water extract (HFD-TAWE) and high-fat group administrated with 200 mg/kg/day of T. aestivum ethanol extract (HFD-TAEE). TAWE and TAEE were administrated orally for 5 weeks once at the same time point. Both TAWE and TAEE significantly reduced body weight, food intake and liver tissue weight, which were augmented in high fat-fed mice. The serum levels of triglyceride, total and LDL-cholesterol also were significantly attenuated in both HFD-TAWE and HFD-TAEE groups compared to the HFD group. Moreover, administration of HFD-TAWE or HFD-TAEE reduced the lipid accumulation in liver tissue of mice fed with high fat diet. Levels of total lipids and triglyceride in liver tissues also was significantly reduced in HFDTAWE and HFD-TAEE groups compared to HFD group. The activities of serum ALT and AST revealed in HFD group were remarkedly decreased in HFD-TAEE groups. These results indicate that both water and ethanol extract of T. aestivum may improve the lipid accumulation in liver as well as lipid metabolism in serum, and that in particular, the ethanol extract of T. aestivum may has the potent anti-hyperlipidemic effect, suggesting that it may be a useful candidate for the therapy preventing fatty liver diseases.
Kim, Young Wan;Kim, Tae Hoon;Sim, So Yeon;Ahn, Hee Young;Park, Kyu Rim;Kim, Jung Wook;Cho, Young Su
Journal of Life Science
/
v.28
no.1
/
pp.58-67
/
2018
This study aimed to identify the effects of extracts of fermented Angelica gigas Nakai (A. gigas) with a Monascus purpureus strain on anti-obesity in a high-fat diet (HFD)-induced obesity rat model. Male Sprague-Dawley rats were randomly divided into seven dietary groups (n=8 per group), as follows: a normal diet group (N) and six HFD groups (C: control, HFD and no treatment; AG: HFD +10% A. gigas extracts; FAG2.5: HFD +2.5% fermented A. gigas extracts; FAG5: HFD +5% fermented A. gigas extracts; FAG10: HFD +10% fermented A. gigas extracts; GC: HFD + Garcinia cambogia extracts). FAG-fed rats exhibited effectively lowered rates of increasing body weight and visceral fat accumulation in the HFD-induced obesity model. The activities of several hepatic marker enzymes, including aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH), and alkaline phosphatase (ALP), were increased with HFD-induced obesity, but levels of these marker enzymes were significantly decreased in FAG-fed rats. The consumption of FAG reduced triglyceride concentrations in serum to normal levels. FAG-fed rats showed effectively increased leptin concentrations in the HFD-induced obesity model. HFD ingestion induced a significant increase in the thiobarbituric acid reactive substances (TBARS) levels, which was decreased in FAG-fed rats. Hematoxylin and eosin staining and Oil Red O staining of the liver showed that the lipid deposits were decreased via FAG feeding. Moreover, hematoxylin and eosin staining of epididymal adipose adipose tissue showed that the adipocyte were decreased by feeding FAG.
Effects of kimchi lactic acid powder (KL) on weight reduction and lipid-lowering activities were studied using rats fed high fat diet. Spraque Dawley (40 rats) were fed 20% (w/w) high fat diet far 8 weeks to induce obesity and divided equally into normal diet (ND), high fat diet (HFD), and 10 and 20% KL-added groups. Body weight of HFD was 150% (p<0.01) of ND, while those of HFK10 and HFK20 decreased by 13 and 15% compared to HFD, respectively (p<0.01). Amounts of visceral fats for HFK10 and HFK20 were decreased by 42 and 48% compared to that of HFD (198% of ND), respectively (p<0.01). B had greater effect on reducing visceral fats than body weight. Plasma triglyceride (155%), cholesterol (129%), and LDL (161%) concentrations of HFD, which had been significantly increased compared to ND, dropped by 26, 9, and 8% (p<0.01) in HFK10, and 35, 17, and 33% (p<0.05) in HFK20, respectively. Decreased HDL by high fat diet was re-increased by KL supplementation. KL showed lipid-lowering and liver-protecting effects in liver possibly by interrupting lipid absorption in the intestine either by absorbing lipids in their cell walls or degrading them rapidly. Increased excretion of TG and cholesterol in feces of HFK10 and HFK20 indicates KL might have similar role to dietary fiber.
Seo, Dong-Joo;Chung, Mi-Ja;Kim, Dae-Jung;Choe, Myeon
Journal of the Korean Society of Food Science and Nutrition
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v.38
no.11
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pp.1522-1527
/
2009
We investigated the effects of feeding diet containing medicinal plant water extracts (MPWEs) on body weight, epididymal adipose tissue weight, adipocyte size of epididymal adipose tissue and plasma lipid levels in high fat (HF) diet-induced obese mice. To test antiobese effects of diet containing the MPWEs, C57BL/6J mice were fed with HF diet for 11 weeks. In the last 6 weeks, the HF diet was supplemented with 0 (HFD) or MPWEs (5 g/kg, HFD+MPWEs) or orlistat [0.5 g/kg, HFD+orlistat (antiobesity drug)]. The HF-free diet group was fed normal chow for 11 weeks. Eleven-weeks feeding with HFD resulted in significant increase in lipid levels, body weight, liver and epididymal adipose tissue weights, compared with the HF-free group. Diet containing MPWEs significantly reduced plasma total cholesterol, LDL-cholesterol, triglyceride and glucose concentrations as well as body weight, liver weight and epididymal adipose tissue weight. Plasma triglyceride levels were significantly lower in the HFD+Forlistat group after 6 weeks and a similar effect was found with HFD+MPWEs group. The adipocyte size of epididymal adipose tissue in HFD group was significantly larger than those of HF-free group. MPWEs and orlistat (positive control) significantly decreased the size of epididymal adipocytes but orlistat was slightly more effective than MPWEs. These results suggest that oral feeding of the MPWEs may have antiobesity effects by suppressing body weight gain, adipose tissue formation and adipocyte size increase.
Journal of the Korean Society of Food Science and Nutrition
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v.38
no.3
/
pp.309-318
/
2009
This study was conducted to investigate the cholesterol lowering and anti-obesity effects of an ethanol extract of broccoli sprouts (BS) in rats fed high fat diet. Male Sprague-Dawley rats weighing $150{\sim}155g$, were divided into 6 groups; a normal diet group (ND), a high fat diet group (HFD), a normal diet and BS with 200 mg/kg treated group (ND-BSL), a normal diet and BS with 400 mg/kg treated group (ND-BSH), a high fat diet and BS with 200 mg/kg treated group (HFD-BSL), and a high fat diet and BS with 400 mg/kg treated group (HFD-BSH). The body weight gain and mesenteric adipose tissue weight were increased by high fat diet, but gradually decreased to the corresponding level of ND group after administration of BS extract. The liver and epididymal adipose tissue weights of HFD group were the highest among the six groups, although the difference was not significant. Food intake was lower in high fat diet groups compared with normal diet groups. The serum ALT and AST activities that were elevated by the high fat diet were significantly decreased after BS administration. Levels of serum total cholesterol, LDL-cholesterol, triglyceride and the atherogenic index tended to be decrease in the BS administered groups compared with HFD group. However, HDL-cholesterol level in serum decreased in HFD group and markedly increased in BS administered groups. There were no differences in the contents of serum triglyceride, LDL-cholesterol and HDL-cholesterol between normal diet groups. Levels of total cholesterol and triglyceride in liver and adipose tissues were also lower in BS administrated groups than in HFD group. The activities of heparin-releasable lipoprotein lipase (HR-LPL) and total-extractable LPL (TE-LPL) in adipose tissue were increased in HFD group compared with the BS administered groups, but those of the ND-BSL group and ND-BSH group were similar to ND group. These results suggest that BS ethanol extract may exert cholesterol-lowering effect and potentially reduce lipid storage.
Due to the recent economic development, the diet style has become more and more westernized in Korea, which increased the concern of our well-beings. Our well-beings are also associated with the gut microbiota which vary depending on the dietary intake. In this study, we compared gut microbiome shifted by two diets: high-fat diets (HFD) and low-fiber diet (LFD) based on 16S rRNA gene sequences using MiSeq. Compared to the control diet, LFD and HFD treatments significantly decreased species richness, while there was no difference in species evenness. Both diet treatments significantly increased the relative abundance of the Proteobacteria (p<0.05), especially the genus Sutterella. Bacteroidetes was significantly decreased in HFD groups, where the family S24-7 was decreased most. On the other hand, significant difference between HFD and LFD was seen among Firmicutes, where the abundance of family Lachnospiraceae was lower in LFD groups (p<0.05). PICRUSt-based metabolic difference analyses showed LFD treatment significantly decreased metabolisms of amino acid, carbohydrate and methane (p<0.01). In contrast, HFD significantly increased amino acid metabolism (p<0.05). Glycan biosynthesis and metabolism were significantly increased in both treatment groups (p<0.01). Our results suggest that long-term unbalanced dietary intakes induce gut dysbiosis, leading to metabolic and colonic disorders.
Objectives: This study investigated the effects of water extract of Coix lacrymajobi var. mayuen on obesity and its associated factors in high fat diet (HFD) induced obese mice. Methods: Male C5BL/6 mice were randomly assigned to 4 groups, normal group (chow diet), a HFD, HFD with water extract of Coix lacrymajobi var. mayuen 100 mg/kg (W-Coix), and HFD with phentermine 5 mg/kg (Phen) as positive control. Body weight, food intake, fasting blood glucose were checked every week and then organs, blood serums were collected after 16 weeks of treatment. Results: Body weight and adipocyte size were significantly lesser in W-Coix than in HFD group; however energy efficiency in W-Coix were not different with HFD. The oral glucose tolerance test, serum glucose and insulin were significantly decreased in W-Coix, also lipid accumulations in liver tissue and lipid levels (total cholesterol, high density lipoprotein-cholesterol) were improved with W-Coix treatment. However skeletal muscle loss with HFD was not changed in W-Coix compared with HFD group. Conclusions: The W-Coix treatment decreased body weight, adipocyte size and it is associated with improved glucose and lipid metabolism. Further studies are needed to know the mechanism of antiobesity in W-Coix.
Objectives : The present study was designed to investigate the anti-diabetic effects of Mori Folium (Morus alba L. of Moraceae) extract (MFE) on high fat diet (HFD) and streptozotocin (STZ)-induced type II diabetes mellitus in mice. Methods : The mice (C57BL/6J) were fed HFD for 8 weeks and then was induced with a single injection of STZ (75 mg/kg). The diabetic mice were divided into four groups [(STD, HFD, HFD + MFE and HFD + quercetin (QUR)] and administered with MFE or OUR for 4 weeks. Fasting blood glucose, lipid profile (triglycerides and cholesterol etc.), glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transaminase (GPT), insulin and leptin were measured every 2 weeks. Results : Body weight gain was lower in the MFE and QUR groups than HFD group. The fasting blood glucose was lower in the MFE and QUR groups. Oral glucose and insulin tolerance were decreased in the MFE and QUR groups. The levels of serum total cholesterol, triglycerides, and LDL cholesterol were reduced in the MFE and QUR groups. The HDL cholesterol was much higher in the MFE and QUR groups than HFD group. The levels of GOT, GPT and atherogenic index were decreased in the MFE and QUR groups. The serum insulin and leptin concentrations were reduced in the MFE and QUR groups. Conclusions : These results showed that MFE could decrease blood glucose level and lead to an amelioration in dyslipidemia states on HFD/STZ-induced type II diabetes mellitus in mice.
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