Journal of the Korean Society of Food Science and Nutrition
/
v.38
no.8
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pp.1024-1031
/
2009
Crataegi fructus has been used as an oriental medicine and a folk remedy for the treatment of scurvy, constipation and stomach ailment. This study was aimed to investigate the effect of fermented Crataegi fructus vinegar (FCV) on the improvement of lipid metabolism in rats fed high fat diet (40% kcal% fat, fat source; beef tallow). Sprague-Dawley rats (n=32) were randomly divided into four groups [normal diet (ND), high fat diet (HD), and high fat diet supplemented with low (CFL; 1.5% wt/wt) and high (CFH; 3.0% wt/wt) doses of fermented Crataegi fructus vinegar] and were fed experimental diets for 6 weeks. At the end of the experiment, the body weight in high fat diet groups was higher than that of normal diet group, while the body weights of CFL and CFH group were significantly reduced by 7.2% and 10.0%, respectively, as compared with that of HD group. Moreover, liver and kidney weights in CFL and CFH group were significantly lower than that of HD group (p<0.05). The levels of serum triglyceride, total cholesterol, LDL-C, atherogenic index and hepatic triglyceride, total cholesterol in CFH group were significantly decreased as compared with HD group whereas it increased the serum level of HDL-C than HD group (p<0.05). CFL and CFH groups showed significantly decreased AST, ALT and ALP of serum as compared with HD group. Excretions of fecal saturated fatty acid in CFH group was significantly increased compared with ND and HD groups. These results imply that fermented Crataegi fructus vinegar can be used as possible food resources and functional food materials.
Kim, Seong-Ho;Jung, So-Hyoung;Kim, In-Ho;Lee, Yu-Soon;Lee, Jin-Man;Kim, Jong-Guk;Lee, Myung-Chul;Choi, Mi-Ja;Kim, Duk-Jin
Journal of the Korean Society of Food Science and Nutrition
/
v.37
no.1
/
pp.35-41
/
2008
The purpose of this study was to investigate the effects of Chungkookjang viscous biopolymer supplementation on blood glucose and serum lipid-lowering in Streptozotocin (STZ)-induced diabetic rats. The rats were divided into three experimental groups; a normal group (N), diabetic control group (D), and a diabetic group with the supplementation of Chungkookjang viscous biopolymer (DCB). The groups were given experimental diets for four weeks. The normal group (C) was fed a casein-based diet, and the Chungkookjang viscous biopolymer group (DCB) received 3% biopolymer added to the casein-based diet. In the diabetic group (D), food intake increased significantly, but weight gain decreased significantly. The food efficiency ratio was significantly lower in the diabetic group. Liver weight increased significantly in the D group as compared to the N group. However, the DCB group showed a significant decrease in liver weight when compared to the D group. Blood glucose decreased significantly in the DCB group after receiving the experimental diet for four weeks, as compared to the diabetic control (p<0.05). Serum triglyceride levels were significantly lower in the DCB group than in the D group, whereas HDL-cholesterol levels were significantly higher (p<0.05). Total cholesterol was decreased in DCB group, but there were no significant differences. Also, LDL-cholesterol level was not significantly different among the experimental groups. Hepatic triglyceride and cholesterol were lower in the DCB group with no significant differences among groups. These results indicate that dietary supplementation of Chungkookjang viscous biopolymer improved glucose lowering and lipid metabolism in diabetic rats.
Journal of the Korean Society of Food Science and Nutrition
/
v.32
no.8
/
pp.1328-1336
/
2003
This study was done to investigate the effects of n-3, n-6 fatty acid and d-limonene on the hepatic membrane lipid composition, protein kinase C (PKC) and glutathione S-transferase (GST) activities in experimental rat hepatocarcinogenesis. Sprague-Dawley female rats were fed with two different types of dietary oil for 20 weeks. Corn oil (CO) and sardine oil (SO) were used at 15% by weight as a source of n-6 and n-3 fatty acid, respectively. One week after feeding, rats were intraperitoneally injected twice with a dose of diethylnitrosamine (DEN, 50 mg/kg body weight) and after 1 week 0.05% phenobarbital (PB) was provided with drinking water. Membrane fractional lipid composition showed that the content of cholesterol was higher in 50 group than CO group and also significantly decreased by d-limonene. The content of phospholipid was increased by carcinogen treatment but not affected by dietary oils or d-limonene. Membrane C/PL molar ratio was significantly decreased by d-limonene or carcinogen treatment in 50 groups but not in CO groups. Fatty acid composition was changed by dietary oils but not by carcinogen treatment or d-limonene. Cytosolic PKC activity was not significantly different by dietary oils, d-limonene or carcinogen treatment. However, membrane PKC activity was significantly increased by carcinogen treatment and decreased by d-limonene. Cytosolic GST activity was affected by d-limonene or carcinogen treatment in all dietary groups. These data indicate that dietary oils, d-limonene and carcinogen treatment can not change much membrane phospholipid composition. But membrane C/PL molar ratio was changed by carcinogen treatment and d -limonene although the effect was different between dietary oils. Therefore, it is suggested that different dietary oils and d-limonene can somewhat modulate the changes of membrane fluidity and activities of membrane bound enzymes like membrane associated PKC during carcinogenesis.
Park, Ju-Hun;Lee, Kyung-Won;Cho, Kyung-Dong;Kim, Sung-Soo;Lee, Bog-Hieu;Lee, Hye-Jeong;Han, Chan-Kyu
Journal of the Korean Society of Food Science and Nutrition
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v.40
no.3
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pp.409-415
/
2011
This study was performed to investigate the effects of Cheonggukjang added with Job's tears (CAJT) on antiobesity and lipid profiles on diet-induced obese rats. Male Sprague-Dawley rats were fed high-fat diet only (A, control), and high-fat diet with Cheonggukjang powder 10% (B), CAJT powder 10% (C), Cheonggukjang powder 20% (D), CAJT powder 20% (E) for 5 weeks. Body weight gains were similar in the experimental groups, but FER was significantly lower in the group E than group A (p<0.05), and adipose tissue weights in groups with Cheonggukjang and CAJT powder were similar to those in the group A. The lengths of small intestine were significantly longer in the groups B, C, D, and E than the group A (p<0.05). Hepatic concentrations of total cholesterol (TC) and triglyceride (TG) were similar to each other. Fecal weights were not significantly different among the groups. Fecal TC concentrations were similar in the experimental groups, but fecal TG concentrations were greatly increased in the groups B, D, and E (p<0.05). The serum TC, HDL-C and LDL-C levels varied slightly among the groups, but serum TG levels were decreased in the group D and E than in the group A (p<0.05). The AI and CRF were marginally decreased in the groups B, D, and E than in the group A (p<0.05). However, blood glucose levels were not significantly different among the groups. From the findings, it had shown that Job's tears Cheonggukjang could improve lipid profiles.
Journal of the Korean Society of Food Science and Nutrition
/
v.30
no.6
/
pp.1177-1183
/
2001
This study was done to investigate the effects of ethanol extract of Cassia semen (Cassia tora L.) on the activities of hepatic oxygen free radicals metabolizing enzymes and blood lipid profile in rats of hepatotoxicity induced by ethanol. Sprague-Dawley male rats weighing 100~160 g were divides into 5 groups; control grouts (CON), Cassia semen ethanol extracts (200 mg/kg) treated group (CEL), ethanol (10 mL/kg, 35%) treated group (ETH), Cassia semen ethanol extracts (200 mg/kg) and ethanol treated group (CE1 ) and Cassia semen ethanol extracts (400 mg/kg ) and ethanol treated group (CE2), respectively. Compared with ETH, the growth rate of CE1 and CE2 were to be increased tendency, and in blood levels of total cholesterol, LDL-cholesterol and the activities of alanine aminotranferase and asparate aminotranferase elevated by ethanol were significantly decreased (p<0.05). It was observed that the activities of superoxide dismutase, catalase, xanthine oxidase and glutathione peroxidase of rat liver increased by ethanol, were more decreased by the treatment of Cassia semen ethanol extract than the only ethanol-treated group. The content of glutathione depleted by ethanol treatment was increased in CE1 and CE2. TBA-reactants of liver increased by ethanol were decreased in CE1 and CE2, compared with ethanol-treated group. These results suggested that ethanol extract of Cassia semen may influence upon the ability of oxygen free radical detoxication and lowering of blood lipid level on ethanol-induced hepatotoxicity in rat.
Park, Sung-Jin;Park, Dong-Sik;Yoon, Won-Byung;He, Xinlong;Ahn, Ju-Hee
Journal of the East Asian Society of Dietary Life
/
v.22
no.1
/
pp.17-24
/
2012
This research was performed to investigate the effect of aged Deodeok (Codonopsis lanceolata) water extracts on the levels of lipids in the serum of rats fed a high-fat diet for 10 weeks. Experimental groups were divided into basal diet only (BDG), high fat diet control (HFDCG), high-fat diet and 10% aged deodeok extract powder (HF10S), and high-fat diet and 20% aged deodeok extract powder (HF20S) groups. The levels of hematological variables were not significantly different among the four groups. Compared with the control group's serum total cholesterol level of $339.38{\pm}4.06mg/dL$, the levels of the HF10S and HF20S groups were significantly lowered to $225.38{\pm}5.44$ and $215.02{\pm}4.77mg/dL$, respectively. Compared with the control group's LDL-cholesterol leve of $64.91{\pm}3.67mg/dL$, the LDL-cholesterol levels of the HF10S and HF20S groups were significantly lowered to $54.16{\pm}3.46$ and $46.14{\pm}1.79mg/dL$, respectively. Also, compared to the control group's serum triglyceride level of $103.07{\pm}13.2mg/dL$, the level of the HF20S group was significantly lowered to $48.25{\pm}11.52mg/dL$. These results suggested that dietary supplementation of aged deodeok extract does not have any adverse effect on the hematological variables, while improving the lipid content and reducing hepatic damage of the high-fat fed rats.
The concentration of cordycepin produced by crossbred Cordyceps militaris JLM 0636 (CM${\alpha}$) was 7.42 mg/g dry weight, which was 7-fold higher than that of C. militaris (CM). However, cordycepin was not detected in Paecilomyces japonica (PJ). The improvement effects of CM${\alpha}$, CM and PJ on orotic acid (OA)-induced fatty liver in male Sprague-Dawley rats was investigated. Rats were randomly divided into five groups (n=6) based on five dietary categories: normal (N), OA control (C), OA plus 3% (w/w) PJ (PJ), OA plus 3% CM (CM), and OA plus 3% CM${\alpha}$ (CM${\alpha}$). OA treatment induced the retardation of body weight gain and enlargement of the liver. The concentration of hepatic triglyceride was markedly increased by OA-feeding, whereas this rise was significantly reduced by simultaneous feeding of OA, PJ, CM, and CM${\alpha}$, and this phenomenon was more pronounced by cordycepin-enriched CM${\alpha}$. The contents of total lipid, triglyceride, and free fatty acid in the serum were significantly or slightly lower in the OA control group than those of the N group, but there were no significant differences among the OA treatment groups. The hepatocytes in the OA-induced fatty liver contained numerous large lipid droplets, but PJ, CM, and CM${\alpha}$ feeding prevented the OA-induced lipid droplet accumulation in the hepatocytes. This effect was more pronounced in cordycepin-enriched CM${\alpha}$ than in PJ or CM in OA treatment rats. Accordingly, cordycepin-enriched CM${\alpha}$ could be an ideal candidate material as a dietary supplement in healthy functional foods to improve the effects of fatty liver.
Journal of the Korean Society of Food Science and Nutrition
/
v.35
no.9
/
pp.1151-1158
/
2006
This study was performed to investigate the effect of ethanol extract of Pimpinella brachycarpa (PB) on serum and liver lipid metabolism in rats. Male Sprague Dawley rats were administered 1% cholesterol and 0.25% sodium cholate to induce hypercholesterolemia. PB ethanol extract (200 mg/kg/day or 400 mg/kg/day) was also administered orally to rats with high cholesterol diet for 6 weeks. We divided 40 rats into five groups; normal diet group (NC), high cholesterol diet group (HC), normal diet and PB ethanol extract (200 mg/kg) administered group (NC-PB), high cholesterol diet and PB ethanol extract (200 mg/kg) administered group (HC-PBL), and high cholesterol diet and PB ethanol extract (400 mg/kg) administered group (HC-PBH). The growth rate and liver weight of the high cholesterol diet group was higher than those of the normal diet group, whereas those of the groups administered PB ethanol extract were gradually decreased. There was a signigicant increase in the activities of serum alanine aminotransferase (ALT), asparate aminotransferase (AST) and alkaline phosphatase (ALP) in the high cholesterol diet group. The administration of PB ethanol extract decreased serum ALT, AST and ALP activities in a dose-dependent manners. The high cholesterol diet group showed increased serum triglyceride, total cholesterol, free cholesterol and LDL-cholesterol levels, and decreased atherogenic index, HDL-cholesterol and phospholipid levels as compared with the normal diet group. PB ethanol extract administrated groups showed increased HDL-C/T-C, HDL-cholesterol and phospholipid levels, and decreased serum triglyceride, total cholesterol, free cholesterol, and LDL-cholesterol levels as compared with the high cholesterol diet group. There were no differences in the concentrations of serum triglyceride, phopholipid, LDL-cholesterol, HDL-cholesterol and free cholesterol between normal diet groups. The hepatic concentrations of total cholesterol and triglyceride were also lower in PB ethanol extract administrated groups than in the high cholesterol diet group. These results suggest that ethanol extract of PB exerts hypocholesterolemic effect by reducing serum and liver cholesterol contents.
Kim, Na-Young;Lee, Jeong-Sook;Park, Myoung-Ju;Lee, Kyung-Hee;Kim, Seok-Hwan;Choi, Jong-Won;Park, Hee-Juhn
Journal of the Korean Society of Food Science and Nutrition
/
v.33
no.8
/
pp.1286-1293
/
2004
This study was conducted to investigate the biological activity and hepatoprotective effect of various fractions and isolated compounds from Kochiae fructus (KF) extract on D-galactosamine (GaIN)-intoxicated rats. Male Sprague-Dawley rats were divided into control, GaIN treated group (GaIN), GaIN plus KF methanol extract treated group (KFM 200-GaIN), GaIN plus KF butanol extract treated group (KFB 200-GaIN), GaIN plus momordin Ic treated group (Momordin Ic 30-GaIN) and GaIN plus oleanolic acid treated group (Oleanolic acid 30-GaIN). KFM (200 mg/kg BW), KFB (200 mg/kg BW), momordin Ic (30 mg/kg BW) and oleanolic acid (30 mg/kg BW) were orally administered once a day for 14 days. GaIN (400 mg/kg BW) was injected at 30 minutes after the final administration of the compounds. The activities of serum aspartate aminotransferase and alanine aminotransferase were increased in the GaIN group compared to the control group and significantly lower in the KFB 200-GaIN, momordin Ic 30-GaIN and oleanolic acid 30-GaIN group than in the GaIN group. Hepatic lipid peroxide level was increased in the GaIN group compared to the control group and was lower in the KFM 200-GaIN, KFB 200-GaIN, momordin Ic 30-GaIN and oleanolic acid 30-GaIN group than in the GaIN group. Activities of xanthine oxidase and aldehyde oxidase in liver were higher in the GaIN group than in the control group and were significantly decreased in the KFB 200-GaIN, momordin Ic 30-GaIN and oleanolic acid 30-GaIN group compared to the GaIN group. Hepatic glutathione, ${\gamma}$-glutamylcysteine synthetase and catalase activities were decreased in the GaIN group compared to the control group and were higher in the KFB 200-GaIN, momordin Ic 30-GaIN and oleanolic acid 30-GaIN group than in the GaIN group. Activities of hepatic glutathione reductase, glutathione S-transferase, superoxide dismutase and glutathione peroxidase were lower in the GaIN group than in the control group and were improved in the KFM 200-GaIN, KFB 200-GaIN, momordin Ic 30-GaIN and oleanolic acid 30-GaIN group compared to the GaIN group. Therefore, the current results indicate that momordin Ic administration alleviated the GaIN-induced adverse effect through enhancing the antioxidant enzyme activities.
Hypoglycemic and hypolipidemic effects of Jerusalem artichoke composites (JAP) with extracts of G. procumbens (12.5%), M. charantia (12.5%), and C. longa (12.5%) to H. tuberosus concentrate (JA, 50%) were evaluated in streptozotocin (STZ) induced diabetic rats. Rats were divided into seven groups: normal (Normal), diabetic control (Diabetic), group fed G. procumbens extract (0.5 g/kg bw, D-GPE), group fed JAP (0.5 g/kg bw, D-JAP1; 1.5 g/kg bw, D-JAP2), group fed JA (0.5 g/kg bw, D-JA), and group fed Metformin (0.2 g/kg bw, D-MET) as a positive control. The blood glucose levels over 4 weeks were significantly decreased in the D-JAP2 and D-MET groups compared to the other groups after 3 weeks. The serum insulin level was not significant among the groups fed an experimental diet, but the HOMA-IR value was significantly decreased compared to the diabetic control group. AST and ALT activities in the serum were lowest in D-JAP1. Total lipid and triglyceride contents in the serum decreased in the groups fed an experimental diet, and the HDL-C contents of D-GPE, D-JAP1, and D-JAP2 were significantly increased compared to the diabetic control group. Triglyceride contents in the liver tissue were significantly lower in the D-GPE, D-JAP1, and D-JAP2 groups, and hepatic TBARS content was significantly decreased in the D-JAP1 and D-JAP2 groups compared to the diabetic control group. Hepatic antioxidative enzyme levels, such as SOD, catalase, and GSH-Px, were significantly elevated in groups fed an experimental diet compared to the diabetic control group. Therefore, JAP may be more effective than JA in the human body due to its hypoglycemic and hypolipidemic activities.
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