Cholesterol-lowering effects of ${\beta}-glucan-enriched$ barley fraction were investigated in rats fed 0.5% cholesterol and barley as a fiber source. Male rats of Sprague-Dawley strain were divided into six groups and fed different diets for 5 weeks: normal (cholesterol-free), control (cellulose 5%), fiber-free, and three groups containing ${\beta}-glucan-enriched$ barley fractions. Although plasma cholesterol and triglyceride levels were not significantly different among different diet groups, ${\beta}-glucan-enriched$ barley fraction-fed groups had higher HDL-cholesterol concentrations than the cellulose control group after 5 weeks of experiment. The fecal excretion of cholesterol and triglyceride was significantly increased by barley diets. Fecal concentrations of cholesterol and triglyceride in cellulose control group were 38.2 and 2.6 g/day, respectively, whereas those of barley-fed groups were $52.4{\sim}59.2$ and $6.8{\sim}9.5$ g/day, respectively, during the experimental period.
This study was performed to investigate the effects of liquid culture of Agaricus blazei on the lipid metabolism and enzyme activities in growing male rats. Sprague-Dawley rats were given four different types of diets for a succeeding period of 5 weeks, respectively: a normal diet group (7% corn oil), a high fat diet group (7% com oil + 15% lard), a 20 or 30% Agaricus diet groups (high fat diet + 20 or 30% Agaricus in water) according to the levels of Agaricus supplementation. The body weight gains, food intake, food efficiency ratios, and hepatic, kidney, spleen and pancreas weights of the rats fed 20 or 30% Agaricus diets were similar to those of the rats fed high fat diet. The epididymal fat pad weight of the rats fed high fat diet and 20 or 30% Agaricus diets were significantly higher than that of the rats fed normal diet. The concentrations of serum triglyceride, total cholesterol, LDL-cholesterol and HDL-cholesterol, and the activity of glutamic pyruvic transaminase in the rats fed 30% Agaricus diet were significantly lower than those in the rats 114 high fat diet. But the concentrations of hepatic total cholesterol and triglyceride of rats fed the 20 or 30% Agaricus diets were similar to those of rats fed the high fat diet. The HDL-oholesterol/total-cholesterol ratio of the rat fed 30% Agaricus diet was significantly higher than that of the rats fed high fat diet, The activity of glutamic oxaloacetic transaminase in the rats fed 20 or 30% Agaricus diets were similar to those in the rats fed high fat diet. There were no differences in the concentrations of total protein, hemoglobin and glucose, and the activities of alkaline phosphatase, and the atherogenic index in the serum among the experimental groups. These results showed that the 30% Agaricus diet feeding decreased the total cholesterol, the triglyceride and the LDL-cholesterol, and increased the HDL-oholesterol/total cholesterol ratio in serum of rats.
Shim, K.S.;Jung, H.J.;Na, C.S.;Yoon, C.;Park, Garng H.
Asian-Australasian Journal of Animal Sciences
/
v.22
no.6
/
pp.865-870
/
2009
In this study, we have attempted to understand the effects of taurine on serum and liver concentrations of cholesterol and triglycerides in broiler chickens and mice in the post-absorptive state, and on in vitro protein synthesis in the livers of broiler chickens and laying hens, as well as the effects of taurine on in vivo protein synthesis in the liver of mice. The experimental animals were subjected to 24 h of starvation in order to perpetuate a post-absorptive state. Serum concentrations of high density lipoprotein cholesterol and triglycerides were significantly (p<0.05) higher in the taurine groups than in the controls in both the broilers and the mice. However, taurine resulted in a significant (p<0.05) reduction in liver concentrations of total cholesterol and triglycerides, relative to what was seen in the control groups of both animals. Taurine stimulated the in vitro synthesis of 57-kDa, 40-kDa and 23-kDa proteins in the liver of broilers, but inhibited the in vitro synthesis of 54-kDa, 37-kDa and 24-kDa proteins. Taurine in the liver of laying hens exerted effects on in vitro protein synthesis, with the exception of the 26-kDa protein which was not detected in broiler liver, but was inhibited by taurine in the liver of laying hens. Unlike the findings regarding in vitro protein synthesis in the liver of broilers or laying hens, taurine appeared to stimulate the synthesis of only two proteins, a 47-kDa and a 40-kDa protein, in the liver of mice. Overall, theses findings indicate that taurine treatment results in a reduction in cholesterol and triglyceride concentrations, and also affects protein synthesis in the livers of broilers, laying hens, and mice.
The purpose of this study was to investigate the relationships among serum adiponectin, leptin and vitamin D concentrations and the metabolic syndrome in Korean farmers. 105 (26 males, 79 females) farmers (39~78 years, mean age $59.4{\pm}9.6$ years) in Gangwon - area were included in this study. Anthropometric measurements and biochemical blood analysis of subjects were carried out. The prevalence of obesity, abdominal obesity, hypertension, diabetes, hypertriglyceridemia, hypercholesterolemia and hyper LDL-cholesterolemia, metabolic syndrome were 51.9%, 65.7%, 49.5%, 15.3%, 17.3%, 13.5%, 11.5% and 40.9%, respectively. Serum adiponectin and leptin levels ($8.90{\mu}g/ml$ and 12.6 ng/ml) of females were significantly higher than those ($6.49{\mu}g/ml$ and 4.88 ng/ml) of males. But there was no significant difference in 25(OH)vitamin D concentration between males (15.4 ng/ml) and females (16.9 ng/ml). In the subjects with metabolic syndrome, the adiponectin levels were significantly lower and leptin levels were significantly higher than those of the subjects without metabolic syndrome. Serum adiponectin level had positive correlations with HDL-cholesterol level (r = 0.325, p < 0.001), but showed negative correlations with triglyceride and fasting blood glucose concentrations, body weight and waist/hip circumference ratio (r = -0.202 ~ -0.317, p < 0.05). Serum leptin and 25(OH)vitamin D concentrations were positively correlated with body fat (kg, %) and BMI, waist and hip circumferences (r = 0.244 ~ 0.682, p < 0.001). The results of this study suggested that adiponectin and leptin levels could be credible indices to predict chronic diseases in farmers. However, further research on vitamin D should be carried out considering another factors.
The aim of the present work was to monitor metabolic and hormonal profiles in newborn kids, born from dams fed diets with low or high levels of energy requirements. Starting from the last month of pregnancy, 14 goats were randomly allocated to two groups: Group LD (low diet) and Group HD (high diet) that received a diet that covered 80% and 140% of their energy requirement, respectively. At delivery, the kids were weighed and a blood sample was taken before they suckled colostrum (Time 0) and 1, 2, 3, 12 and 24 h after they started suckling. Plasma insulin, IGF-I, glucose, fT3 and fT4 concentrations were not influenced by the dietary treatments, but a significant effect of time was observed as they progressively increased during the first 12 h of life. Plasma cholesterol, triglyceride, albumin, globulin and total protein plasma concentrations were significantly higher in Group HD than those of Group LD. In Group HD, cortisol concentrations were significantly lower than those of Group LD. Positive correlations were observed between LW and IGF-I (r = 0.71; p<0.05), plasma insulin and glucose (r = 0.79; p<0.05) and total protein and globulin concentrations (r = 0.97; p<0.001). Our results show that perinatal nutrition affects newborn goat kids' metabolic and hormonal profile.
The purpose of this study was to evaluate the antioxidative potential of Korean wild leafy vegetables in vivo as well as in vitro. Antioxidative activities of Aster scaber and Ligularia fischeri were evaluated against a reference of Spinacia oleracea Forty rats were fed either control diet or respective vegetable diets for four weeks. The level of thiobarbituric acid reactive substances (TBARS) and the activities of catalase and superoxide dismutase (SOD) in liver were compared. The plasma concentrations of total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C) and triglyceride (TG) were also compared. Korean wild leafy vegetables were assayed for $\beta$-carotene, vitamin C and vitamin E and total phenolic compound including flavonoid and thiobarbituric acid (TBA) value using the linoleic acid model system. SOD activity in rats fed Aster scaber was significantly higher(as much as 289%) than those fed Spinacia oleracea. Compared to control animals, the Aster scaber fed animals had significantly lower TC and lower atherogenic index. Compared to Spinacia oleracea, Aster scaber and Ligularia fischeri had vitamin C concentration of 150% and 400%, flavonoid concentrations of 470% and 310%, and phenolic compound concentrations of 326% and 203%, respectively, but tended to have lower $\beta$-carotene and significantly lower vitamin E concentrations. TBA values were only 18% of the control value in Aster scarier and Ligularia fischeri and 41% of the control value in Spinacia oleracea. These results suggest that Aster scaber could have potent antioxidative activity in vivo as well as in vitro and potential vague as a functional food to improve the plasma lipid profiles. Furthermore, phenolic and flavonoid compounds may be a major contributing factor to the antioxidative potential of Korean wild leafy vegetables.
Journal of the Korean Society of Food Science and Nutrition
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v.19
no.5
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pp.381-386
/
1990
This study was investigated the effects of water soluble extract of Ganoderma lucidum kale juice and soidium dextrothyroxine on lipid components in serum of hypercholesterolmemic rats in vivo in order to prevent in cardiovascular disease. Total cholesterol concentrations in serum were significantly increased after feeding cholesterol diet group compared with control group and were significantly increased after feeding cholesterol diet group compared with control group and were lower in Ganoderma lucidum kale juice and sodium dextrothyrioxine diet groups than in control group. Ratio of high density lipoprotein cholesterol concentration to total cholesterol were significantly highest in sodium dextrothyroxine fed groups among diet groups and were higher in Ganodrma lucidum and kale juice fed group than in control group. Phospholipid concentrations in seurm were significantly lower in Ganoderma lucidum kale juice and sodium dextrothyroxine(1.25mg/kg diet) fed groups than in control group and triglyceride concentra-tions were lower in Ganderma lucidum sodium dextrothyroxine fed groups than in other groups. Triiodothyronine concentration in serum were lower in Ganoerma lucdum and kale juice fed groups than in the other groups while it was higher in sodium dextrothyroxine diet group than in other groups. Tetraiodothyronine concentrations is serum were remakably higher in sodium dextrothyroxine fed group than in other groups. Blood glucose concentration was lower in cholesterol diet group than in other groups but was higher in sodium dextrothyroxine diet group than in other groups.
This study evaluated the effects of carnosine supplementation on carnosine concentration in muscles and blood biochemical indices of rats. Thirty-two eight-week-old Sprague-Dawley male rats were randomly divided into a control group (CON) as well as three carnosine-treated groups. The carnosine-treated groups included groups fed diets composed of 0.01% carnosine (LC), 0.1% carnosine (MC), and 1.0% carnosine (HC). Body weight gain, food intake, feed efficacy rate, protein efficacy rate, and organ weights were not significantly different among the groups. In all groups, the mean carnosine levels in gastrocnemius muscles were higher than the mean carnosine levels in soleus muscles. Carnosine concentrations in soleus muscles and gastrocnemius muscles were significantly higher in the HC group compared to all other groups (p<0.05). Serum triglyceride and LDL-cholesterol concentrations in all of the carnosine-supplemented groups were significantly lower than those of the control group (p<0.05), while HDL-cholesterol levels were significantly higher than those of the control group (p<0.05). Aspartate aminotransferase levels in rats supplemented with carnosine were significantly higher than those of the control group. In conclusion, diets supplemented with high levels of carnosine can increase carnosine concentrations in skeletal muscles, which might contribute to increased exercise capacity. Furthermore, these findings suggest that high levels of dietary carnosine improve the lipid profile of rats by lowering blood LDL-cholesterol and increasing HDL-cholesterol levels.
Effects of various concentrations of garlic powder and garlic extract in the diets on growth, serum chemistry and immune response of olive flounder were determined. Thirty-five juvenile fish averaging 5.1 g were randomly distributed into 21 of 180 L flow-through tanks. Seven experimental diets with various concentrations of garlic powder (GP) and garlic extract (GE) were prepared in triplicate: GP-0 without garlic supplementation, GP-0.5, GP-1, GP-2, GP-3 and GP-5 diets containing garlic powder at the concentrations of 0.5, 1, 2, 3 and 5%, respectively at the expense of wheat flour and finally, GE-0.4 diet containing 0.4% garlic extract were prepared. At the end of the 8-week feeding trial, serum chemistry of fish was measured. In addition, twenty fish from each tank were artificially infected with E. tarda for the following 96 h to monitor cumulative mortality. Weight gain of fish fed GP-0 diet was higher than that of fish fed GP-1, GP-2, GP-3 and GP-5 diets. No difference in serum criteria (total protein, glucose, glutamate oxaloacetate transaminase, cholesterol and triglyceride levels) of olive flounder was found among the experimental diets except for glutamate pyruvate transaminase. Lysozyme activity of fish fed GP-0, GP-1, GP-3 and GE-0.4 diets was higher than that of fish fed GP-5 diet. The highest cumulative mortality was 93.3% in fish fed GP-0 diet at 96 h after E. tarda infection, followed by GP-3, GP-1, GP-5, GP-2, GP-0.5 and GE-0.4 diets. In considering these results, dietary inclusion of garlic powder and garlic extract has no distinctive positive effect on improvement in growth, serum chemistry and immune response of olive flounder in this experimental conditions, therefore, its application should be carefully considered.
Park, Min-Hee;Kwon, Chang-Ju;Lim, Sang-Hyun;Kim, Kyung-Hee;Heo, Nam-Ki;Jang, Hyung-Kwan;Park, In-Jae;Lee, Kwang-Jae
Journal of the Korean Society of Food Science and Nutrition
/
v.40
no.12
/
pp.1715-1719
/
2011
The effects of dietary fiber isolated from Synurus deltoides on constipation induced by loperamide (4 mg/kg/day) were investigated. Food intake and body weight both decreased in the 5% S. deltoides dietary fiber and loperamide-treated group (SD5) and 10% S. deltoides dietary fiber and loperamide-treated group (SD10), whereas fecal water contents increased by 2.4 and 3.4-fold in the SD5 and SD10 groups, respectively. The concentrations of total-cholesterol, HDL-cholesterol and triglyceride in the sera of the SD5 and SD10 groups were lower than those in the control (C) group. However, the biochemical parameters, GOT (glutamic oxaloacetic transaminase), GPT (glutamic pyruvic transaminase), and glucose levels, were not affected by the level of S. deltoides. In addition, the concentrations of total-cholesterol and triglyceride in the livers of the SD5 and SD10 groups were also significantly lower than those in the control group. These results suggest that dietary fiber isolated from S. deltoides might ameliorate constipation symptoms, and lower lipid concentrations in the blood and liver.
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