Cho, Sung Back;Kim, Dong Woon;Baek, Kyung Hoon;Lee, Byong Seak;Chung, Il Byung;Chung, Wan Tae;Choi, Nag-Jin
Asian-Australasian Journal of Animal Sciences
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v.21
no.10
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pp.1516-1521
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2008
This study was conducted to investigate the effects of different energy intake on physical and chemical composition in body fractions, growth performance and meat characteristics of finishing barrows and gilts. A total of twenty six crossbred (Landrace$\times$Yorkshire) consisting of 16 barrows and 13 gilts were used in this study. The animals were allocated by sex to two treatments to form a $2\times2$ factorial arrangement. The respective factors were sex (barrow and gilt) and dietary energy intake (1.8 and 3.0 times energy for maintenance). Pigs were kept in individual pens and had ad libitum access to feed and water from the start of the experiment at $52.4{\pm}1.9kg$ until they reached $109.9{\pm}4.4kg$ live weight. The growth performance, physical composition and meat characteristics of finishing pigs were not greatly affected by the sex. However, higher fat tissue weight in the carcass was observed in barrows compared with gilts (p<0.05). Higher proportions of water and protein (p<0.05), and lower lipid proportion (p<0.01) in the empty body and carcass were observed in gilts compared with barrows, while protein proportion in lean tissue was not affected by the sex. In fat tissue, only protein proportion was higher in gilts compared with barrows (p<0.05). Although, growth performance, physical and chemical compositions in body fractions were greatly affected, final body or carcass weight was partly affected by the energy intake In addition, loin characteristics such as shear force and loin eye area were partly influenced by energy intake levels. Therefore, the present results showed that growth performance and meat characteristics were not influenced but chemical body composition was greatly influenced by the sex. Growth performance, physical and chemical compositions in body fractions were greatly affected, whereas meat characteristics were partly affected by the energy intake levels.
Journal of the Korean Applied Science and Technology
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v.34
no.3
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pp.427-435
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2017
To investigate whether genistein regulates menopause-induced obesity, it was studied the effects of genistein on anti-obesity effects in female ovariectomized (OVX) mice, an animal model of postmenopausal women. 7-week-old female mice (C57BL/6J) were randomly divided into three groups. All the animals received a high fat diet or a high fat diet supplemented with genistein for 8 weeks and variables and determinants of obesity were measured. The OVX mice had significantly higher body weight and adipose tissue mass than sham mice. However, genistein supplementation reduced body weight, adipose tissue mass, and adipocyte size of OVX mice. The OVX mice treated with genistein had significantly lower levels of serum triglycerides and total cholesterol than the vehicle-treated OVX mice. Lipid accumulation in liver was also markedly decreased by genistein in OVX mice. The results suggest that genistein can effectively prevent adiposity, adipocyte phertrophy, and llipid disorders caused by ovariectomy. Moreover, this study may contribute to the alleviation of metabolic syndrome, including obesity and hyerlipidemia in postmenopausal women.
The study was conducted to evaluate the effect of chromium nanoparticle (CrNano) on growth, carcass characteristics, pork quality, and tissue chromium in finishing pigs. A total of 100 Duroc$\times$Landrace$\times$Yorkshire barrows (average initial BW of 64.78$\pm$0.83 kg) were divided into 10 pens, 10 pigs per pen. 5 pens of pigs were fed with control diet (corn-soybean meal, 1.05% Lys) and others were fed with control diet addition with 200 $\mu$g/kg Chrome (Cr) from CrNano. During the trial, all pigs were given free access to feed and water. After 35 days trial, 10 pigs from each each treatment (weight similar to average group weight, 91.34$\pm$1.31 kg for control group, and 92.26$\times$0.56 kg for CrNano treated group) were sacrificed to measure carcass characteristics, pork quality, and to collect the samples of longissimus muscle, liver, kidney and heart. The results indicated that the addition of 200 $\mu$g/kg CrNano decreased feed: gain ratio by 3.56% (p<0.05) compared to the control group. Pigs fed CrNano had 14.06% higher (p<0.05) carcass lean percentage, 19.96% (p<0.05) larger longissimus muscle area and 25.53% lower (p<0.05) carcass fat percentage, 18.22% lower (p<0.05) backfat thickness. Drip loss in chops from pigs fed CrNano was decreased by 21.48% (p<0.05) and weights of longissimus muscle and semimembranosus were increased by 16.33% (p<0.05) and 14.87% (p<0.05) respectively. In addition, supplemental CrNano resulted in 184.11% (p<0.05), 144.99% (p<0.05), 88.13% (p<0.05) and 52.60% (p<0.05) increment of Cr concentration in longissimus muscle, liver, kidney and heart, respectively. These results suggest that supplemental CrNano has beneficial effects on carcass characteristics, pork quality and individual skeletal muscle weight, increase tissue chromium concentration in selected muscle and organs.
It is controversial whether low calcium intake, commonly associated with osteoporosis, results in calcium accumulation in soft tissues. This study was conducted to investigate the effects of low calcium (Ca) and oxalate (ox) intake on soft-tissue Ca deposits and bone metabolism in ovariectomized (ovx) rats. Eight week old female Sprague-Dawley rats were ovariectomized and divided into four groups. The rats were fed experimental diets containing low (0.1%, w/w) or normal (0.5%, w/w) Ca with or without sodium oxalate (1%, w/w); Sham/NCa, Ovx/NCa, Ovx/LCa, Ovx/NCa-ox, Ovx/LCa-ox for 6 weeks. All ovx rats showed a remarkable increase in body and tissue weight, glutamic oxaloacetic transaminase, glutamic pyruvic transaminase, blood urea nitrogen, alkaline phosphatase, and decreases in weight, ash, and Ca contents, as well as bone breaking force compared to those in sham rats. Serum Ca concentration was not significantly affected by dietary Ca levels or ox intake. Kidney Ca, ox acid content, and microscopic Ca deposition increased remarkably in the Ovx/LCa-ox group compared to those in the other groups. Ca content in the spleen and aorta also increased significantly, but the weight contents, Ca, bone breaking force, and Ca and oxalic acid in feces decreased significantly in the Ovx/LCa-ox group. Serum parathyroid hormone levels were not significantly different among the groups. These results indicate that low Ca intake decreased bone mineral content and increased Ca deposits in soft tissues, which was aggravated by ox intake in ovx rats. Thus, high ox intake may result in a kidney disorder in patients with osteoporosis who eat a low Ca diet.
Objective : Recently there are a lot of attempts to treat obesity through energy expenditure. Especially UCP-1 and PPAR-${\delta}$ is known to play a key role for energy dissipation through the increasing thermogenesis. Gambi-hwan extract is a traditional medicine made of herbs containing the polyunsaturate fatty acids related to the energy expenditure. It is expected to reduce the weight by means of the expression of UCP-1 and PPAR-${\delta}$. Meterial and Method : We divided 21 rats into 3 groups and assigned 8 rats respectively. The normal group was administered normal diet, the control group was administered high-fat diet, and the G50 group was administered high-fat diet with Gambi-hwan extracts50 mg/kg. And then the weights of body, food intake, the changes of lipids in blood stream, and the expressions of UCP-1 and PPAR-${\delta}$ on adipose tissues were measured respectively. Result : The reduction of body weight and the increasing tendency of expression of UCP-1 and PPAR-${\delta}$ mRNA were shown in G50 group. In the G50 group the Triglyceride level is decreased and the HDL-cholesterol level and the expression of PPAR-${\delta}$ and UCP-1 protein on Visceral adipose tissue were significantly increased. Conclusion : This result indicates that Gambi-hwan Extract upregulate the expression of UCP-1 and PPAR-${\delta}$ in adipose tissue, which may contribute to reducing the weight of adipose tissue.
Objectives: Recent data have revealed that the plasma concentration of inflammatory mediators is increased in the insulin-resistant states of obesity and type 2 diabetes. The purpose of this study was to investigate the antidiabetic and anti-obesity effect of Massa Medicata Fermentata on obese type 2 diabetes mice. Methods: In order to examine the effects of Massa Medicata Fermentata, obese type 2 diabetes mice induced by Surwit's high fat, high sucrose diet. Mice were divided into 4 groups of ND (normal diet), HFD (high fat and high sucrose diet), Met (high fat and high sucrose diet with metformin) and MMF (high fat and high sucrose diet with Massa Medicata Fermentata) and investigated over 8 weeks. Diabetic and obese clinical markers, including body weight, glucose level, lipid level, leptin concentration, epididymal fat pad and liver weights and adipose tissue macrophage (ATM) were determined. Results: Compared with the HFD group, body weight, fructosamine, triglyceride, epididymal fat pad weight and ATM were significantly reduced in the MMF group. Conclusions: From the above results, the intake of Massa Medicata Fermentata may be effective in anti-hyperglycemia and anti-obesity by the attenuation of glucose and lipid levels and also inflammation state. Massa Medicata Fermentata may be beneficial for controlling diabetes mellitus type 2 in humans.
This study was performed to investigate the serum lipid and cholesterol lowering effects of kimchi powder or Lactobacillus plantarum when added to fermented sausage in rats. Male SD (Sprague-Dawley) rats were divided in three groups and administered with the following diets for 6 wk: non-fermented sausage added diets (CON), kimchi fermented sausage added diets (KIM), and Lactobacillus plantarum fermented sausage added diets (PLA). The CON has significantly (p<0.05) higher food intake, body weight gains, and final body weight than the other two groups. The body weight of KIM was significantly (p<0.05) lower than that of the other groups. The weights of organs (heart, lung, liver, kidney, spleen, perirenal adipose tissue, and epididymal adipose tissue) were not affected by any treatments. The mean value of serum triglycerides (TG) concentration in KIM and PLA groups was not significantly different compared with CON. Total cholesterol, low density lipoprotein and high density lipoprotein levels in serum of KIM were significantly (p<0.05) lower than those of CON. The serum free cholesterol level and atherogenic index (AI) in KIM and PLA were significantly (p<0.05) lower than those of CON. In conclusion, dietary supplementations with kimchi powder fermented sausages or L. plantarum fermented sausages were effective for lowering serum lipid, cholesterol levels and atherogenic index in rats.
Ann, Ji-Young;Lee, Mak-Soon;Joo, Hyun-Jin;Kim, Chong-Tai;Kim, Yang-Ha
Preventive Nutrition and Food Science
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v.16
no.3
/
pp.210-216
/
2011
Capsaicin is a pungent component of red pepper, which is widely consumed as food adjuncts. The present study was performed to investigate anti-obesity effects of capsaicin in diet-induced obese rats. Male Sprague-Dawley rats (n=14) were fed with a high-fat diet (Control) or high-fat diet containing 0.016% capsaicin (w/w) (Capsaicin) for 8 weeks. The final body weight and the mass of white adipose tissue were significantly lower in capsaicin supplemented group compared to control. Dietary capsaicin ameliorated lipid profiles with decrease in the plasma concentrations of triglycerides and total cholesterol, and decrease in the levels of total lipids and triglycerides in the liver. Activity of glycerol-3-phosphate dehydrogenase (GPDH), an indicator of triglyceride biosynthesis in white adipose tissue, decreased by 35% in the group supplemented with capsaicin. However, consumption of capsaicin increased the expression of uncoupling protein 2 (UCP2) in white adipose tissue, which is related to energy consumption. Our data suggests that capsaicin may reduce body weight and fat accumulation in high fat diet-induced obese rats. These effects may be mediated, at least partially, by the upregulation of UCP2 gene expression and its ability to inhibit GPDH activity.
Gilson Khang;Jeon, Eun-Kyung;John M. Rhee;Lee, Ilwoo;Lee, Sang-Jin;Lee, Hai-Bang
Macromolecular Research
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v.11
no.5
/
pp.334-340
/
2003
In order to fabricate new sustained delivery device of nerve growth factor (NGF), we developed NGF-loaded biodegradable poly(L-lactide-co-glycolide) (PLGA, the mole ratio of lactide to glycolide 75:25, molecular weight: 83,000 and 43,000 g/mole, respectively) film by novel and simple sandwich solvent casting method for the possibility of the application of neural tissue engineering. PLGA was copolymerized by direct condensation reaction and the molecular weight was controlled by reaction time. Released behavior of NGF from NGF-loaded films was characterized by enzyme linked immunosorbent assay (ELISA) and degradation characteristics were observed by scanning electron microscopy (SEM) and gel permeation chromatography (GPC). The bioactivity of released NGF was identified using a rat pheochromocytoma (PC-12) cell based bioassay. The release of NGF from the NGF-loaded PLGA films was prolonged over 35 days with zero-order rate of 0.5-0.8 ng NGF/day without initial burst and could be controlled by the variations of molecular weight and NGF loading amount. After 7 days NGF released in phosphate buffered saline and PC-12 cell cultured on the NGF-loaded PLGA film for 3 days. The released NGF stimulated neurite sprouting in cultured PC-12 cells, that is to say, the remained NGF in the NGF/PLGA film at 37 $^{\circ}C$ for 7 days was still bioactive. This study suggested that NGF-loaded PLGA sandwich film is released the desired period in delivery system and useful neuronal growth culture as nerve contact guidance tube for the application of neural tissue engineering.
Objectives : This study was performed to investigate inhibitory effects of Gamipalmul-tang($jiaweibawu-t{\bar{a}}ng$) on the hematological and histological changes of obese mice. Methods : C57BL/6 mice were divided into four groups (normal group, high fat diet with normal saline, high fat diet with reductil, high fat diet with Gamipalmul-tang($jiaweibawu-t{\bar{a}}ng$) and fed for 8 weeks. Body weight change, final increase of body weight, ALT, AST, creatinine, total cholesterol, LDL-cholesterol, HDL-cholesterol, triglyceride, glucose, cell viability by cytotoxicity, the expression of ${\beta}3AR$ in 3T3-L1 cell, the expression of leptin, ${\beta}3AR$ and serotonin in adipocyte tissue and size of adipocyte were observed in 8 weeks. Results : 1. In 3T3-L1 cell. the expression of ${\beta}3AR$ was increased significantly. 2. The final increase of body weight in obese-mouse were decreased significantly. 3. The level of AST, ALT were decreased significantly. 4. The level of LDL-cholesterol was decreased significantly and HDL-cholesterol was increased significantly. 5. The levels of triglyceride was decreased and leptin and glucose were decreased significantly. 6. In adipocyte tissue, the expression of ${\beta}3AR$ were increased significantly. 7. In adipocyte tissue, the expression of leptin and serotonin were decreased significantly. 8. The size of Adipocyte was decreased. Conclusions : On the basis of these results, we concluded that Gamipalmul-tang($jiaweibawu-t{\bar{a}}ng$) has inhibitory effects in rat.
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