Studies have shown that onions exhibit a wide variety of health-promoting properties. The health benefits by the onion have been attributed to its ability to scavenge free radicals, to reduce blood lipids, to lower blood pressure, and to inhibit platelet aggregation. This study was performed to investigate whether onion extract supplementation would affect the blood markers of ethanol-induced fatty liver in rats. Initially, male Sprague-Dawley rats were housed singly in a room of controlled temperature and lighting and had free access to a nutritionally adequate AIN-93G and deionized water. The rats were trained for meal feeding to prevent a decline in food intake, as inevitably observed following an ethanol feeding. After the training period, rats were weight-matched and assigned to the following three groups: 1) a control group, fed the AIN-93G diet alone (control); 2) an ethanol group, fed the AIN-93G diet with ethanol at 4 g/day/kg body weight (ethanol); and 3) an onion group, fed the AIN-93G diet with ethanol plus supplemental freeze-dried onion powder at 500 mg/day/rat (ethanol + onion). All three group were meal-fed 7.0 g of their respective diets at 0900 h and 7.5 g at 1600 h for 28 days. At 0, 2, and 4 wk, blood was collected via the orbital sinus and organs were collected following overnight food deprivation. Both control and experimental groups continually gained weight throughout the study. No significant differences in the weights of the liver, kidneys, heart, spleen, and testis were observed. However, the serum level of triglycerides was significantly increased by ethanol but significantly decreased by onion extract. The activities of serum glutamate oxaloacetate transaminase (GOT), glutamate pyruvate transaminase (GPT) at 4 wk were significantly increased by ethanol feeding but were significantly decreased by onion supplementation. However, no differences among groups were observed in the serum levels of alkaline phosphatase, gamma-glutamyl transpeptidase, bilirubin, and protein. These results provide that onion extract favorably affect alcoholic fatty liver by decreasing the serum concentration of triglyceride and the activities of GOT and GPT.
Lee, Sang Min;Chang, Sun Sik;Chung, Ki Yong;Kim, Hyeong Cheol;Choi, Sun Ho;Jeong, Ha Yeon;Yang, Boh Suk;Lee, Sung Sill;Cho, Young Moo
Journal of Life Science
/
v.22
no.10
/
pp.1392-1398
/
2012
This study investigated the effects of diet of different forages on growth performance and carcass characteristics of Hanwoo steers. Twenty-one Hanwoo steers were randomly allocated to three groups (fed hay, reed, and reed with rice straw) of seven steers each. Initial and final body weights of control, T1, and T2 groups were 125.5, 128.3, 128.3 kg and 697.4, 614.6, 706.7 kg, respectively. Average daily gain tended to increase in controls (0.70 kg/d) and the T2 group (0.71 kg/d) but not as much in the T1 group (0.60 kg/d); however, there was no significant difference. DMI was not significantly different among the treatment groups, but T1 was relatively lower than the other groups. For the yield traits, carcass weight was not significantly different between controls and the T2 group but was greater in the T2 group compared to the T1 group (p<0.05). Back fat thickness and rib eye area were higher in controls and T2 compared to T1; yield grade (A:B:C, %) was greater in T1 (43:57:0) compared to the other groups (control 0:71:29; T2 29:42:29). For the quality traits, fat color and texture were not significantly different among groups. However, meat color and maturity were significantly greater in T1 compared to T2 (p<0.05). Marbling score and appearance rate of over 1st meat quality grade were greater in the control and T2 groups compared to the T1 group. Based on the results, growth performance, feed utilization, and carcass traits appeared to improve when roughage containing rice straw plus reed was offered. Therefore, reed is worth considering as a roughage source for fattening Hanwoo steers.
Journal of the Korean Society of Food Science and Nutrition
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v.38
no.4
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pp.415-422
/
2009
We previously demonstrated that zinc plus arachidonic acid (ZA) treatment lowered blood glucose levels in streptozotocin-induced diabetic rats, genetically diabetic obese (ob/ob) mice, and genetically diabetic, non-obese Goto-Kakizaki rats. However, plasma insulin levels did not increase with ZA treatment, suggesting that ZA lowers blood glucose levels not by stimulating pancreatic insulin secretion. However, it is unclear whether these agents lower blood glucose levels by decreasing hepatic glucose output (HGO) or by increasing glucose utilization in peripheral tissues, or both. In order to determine ZA target organ of insulin action, we divided 18 Sprague-Dawley rats weighing ${\sim}130g$ into 3 groups (6 rats per group) and treated them for four weeks with: (1) Control diet (regular rat chow), (2) High fructose (60.0%) diet only, and (3) the same fructose diet plus zinc (10 mg/L) and arachidonic acid (50 mg/L) containing drinking water. After 4 weeks, insulin action was assessed using the hyperinsulinemic euglycemic clamp technique. Food intake and body weights were comparable in all three groups of rats throughout the study period. Plasma glucose and insulin concentrations, glucose uptake, and HGO in the basal state were all the same in these three rat groups. During the clamp study, fructose-treated and fructose+ZA treated rat groups did not exhibit any detectable change on insulin-mediated glucose uptake compared to controls. High fructose feeding impaired insulin mediated suppression of HGO, compared to controls during clamp (4.39 vs. 2.35 mg/kg/min; p<0.05). However, ZA treatment in high fructose-fed rats showed a remarkable increase in hepatic insulin sensitivity compared to high fructose-fed rats, reflected by a complete recovery in suppression of HGO during the clamp (4.39 vs. 2.18 mg/kg/min; p<0.05). This data suggests that ZA increases insulin sensitivity in liver but not glucose utilization of peripheral tissues in high fructose-fed rats.
Sang B. D.;Choi C. H.;Kim H. K.;Kim S. D.;Jang B. G.;Na J. C.;Yu D. J.;Lee S. J.;Sang B. C.;Lee J. H.
Korean Journal of Poultry Science
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v.32
no.4
/
pp.231-237
/
2005
This study was carried out to evaluate the breeding values for economic traits in Korean native chicken on the basis of 11,583 birds of record along 7 generations collected from 1995 to 2001 at National Livestock Research Institute, Korea. The results obtained are summarized as follows : The breeding value estimates of the body weights at 150 and 270 days in Dark Brown, Light Brown, Gray Brown, Black and White strains were $-16.563\~0.474\;and\;-18.836\~21.700,\;-14.714\~9.272\;and\;-23.025\~11.297,\; -25.186\~12.953\;and\;-28.368\~18.156,\;-15.549\~6.329\;and\;-18.264\~4.963,\;-10.708\~20.284\; and\;-25.112\~10.132g$, respectively. The breeding value estimates of the ages at first egg in Dark Brown, Light Brown, Gray Brown, Black and White strains were $-1.236\~0.047,\;-1.509\~0.298,\;-1.362\~0.114,\;-1.436\~0.199\;and\;-1.385\~0.718$, respectively. The breeding value estimates of the egg weight at first egg and at 270 days were $-0.105\~0.075\;and\;-0.120\~0.398,\;-0.109\~0.042\;and\;-0.205\~0.173,\;-0.166\~0.084\;and\;-0.256\~0.091,\;-0.119\~0.066\;and\;-0.051\~0.132,\;-0.112\~0.027\;and\;-0.070\~0.101g$, respectively. The breeding value estimates of the egg Production to 270 days in Dark Brown, Light Brown, Gray Brown, Black and White strains were $0.298\~l.807,\;-0.049\~l.146,\;-0.396\~l.125,\;-1.206\~l.173\;and\;-0.474\~2.641$, respectively.
This study was conducted to investigate feeding effects of the high pressure boiled extract(HPBE) of the Ogol chicken on weight gain and serum lipid composition of rat. Rats(S.D,♂) were fed with normal feed(T$_1$), normal feed + herb HPBE(T$_2$), normal feed + Ogol chicken HPBE(T$_3$), normal feed + mixture of crossbred Ogol chicken HPBE hydrolyzed with Flavourzyme 0.1% for 35 days. During experimental period, the effects of the treatments on growth performance, plasma triglyceride(TG) and cholesterol were determined. The effects of feeding HPBE on growth performance and serum triglyceride levels in rat. After a 6 day treatment, body weights were 39.96g, 44.56g, 43.34g, and 45.99g for T$_1$, T$_2$, T$_3$ and T$_4$ groups respectively. The growth rates of T$_2$ and T$_4$ groups were significantly(P<0.05) higher than T$_1$ group, but the differences were not observed after 18 days of feeding period. Triglyceride contents were 62.89${\pm}$6.24mg/dl, 55.70${\pm}$6.76mg/dl, 43.60${\pm}$4.68mg/dl and 45.00${\pm}$3.75mg/dl for T$_1$, T$_2$, T$_3$ and T$_4$ groups respectively, where T$_1$ group was significantly (P<0.05) higher than T$_3$ and T$_4$ groups. In serum total cholesterol contents, there was no significant difference among the groups. GOT(glutamic oxaloacetic transaminase) and GPT(glutamic pyruvic transaminase) also showed similar levels among the treatments.
Cho, Eun Jung;Park, Ji Ae;Choi, Eun Sik;Sohn, Sea Hwan
Korean Journal of Poultry Science
/
v.43
no.2
/
pp.77-88
/
2016
To establish a new synthetic Korean meat chicken breed, we tested $5{\times}5$ diallel cross mating experiment with domestic chicken breeds. Comparing stress responses among diallel crossed chicken breeds, we analyzed telomere length, DNA damage and expressions of heat shock protein genes (HSPs) as the markers of the stress response. The telomere length was measured by quantitative fluorescence in situ hybridization on the nuclei of lymphocytes. The expression levels of HSP-70, $HSP-90{\alpha}$ and $HSP-90{\beta}$ genes were analyzed by quantitative real-time polymerase chain reaction in lymphocytes. The DNA damage rate of lymphocytes was quantified by the comet assay known as the single cell gel electrophoresis. In results, there were significant differences in the values of the stress markers such as telomere length, HSPs and DNA damage rate, and also were significant differences in viabilities and body weights among the $5{\times}5$ diallel crossed chicken breeds. The telomere shortening rate, expression values of HSPs and DNA damage rate were significant low in W and Y crossed chickens compare to the others, but GG pure breed showed the highest values in the 25 crossed chickens. Estimating correlation coefficient, the survival rate positively correlated to telomere length, but negatively correlated to the expression levels of HSP-70, $HSP-90{\alpha}$, $HSP-90{\beta}$ genes and to the value of % DNA in tail as DNA damage rate. The expression levels of HSP-70, $HSP-90{\alpha}$ and $HSP-90{\beta}$ genes of dead chickens had significantly higher than those of survival chickens. According to the results on the stress marker analysis, it would be considered that the crossed breeds had more stress resistant than the pure breeds, and the crossed chickens with a light strain such as W or Y were relatively resistant to stress, but the crossed chickens with a heavy strain such as G, H, F were susceptible to stress.
Purpose: The estimation of fluid deficit is crucial to the proper management of dehydrated children. Without well-documented serial weights on the same scale, the estimation of any given child's fluid deficit is imprecise and dependent largely on subjective clinical criteria. Despite the abundance of literature on clinical and laboratory evaluation of dehydration, few studies have focused on serum uric acid. So, we examined the usefulness of scrum uric acid in gastroenteritis patients with dehydration. Methods: Medical records of 90 gastroenteritis patients were retrospectively reviewed. By the body weight loss, we classified patients with mild, moderate, and severe dehydration groups. We studied the relevance of laboratory data (BUN, creatinine, serum bicarbonate, glucose, urine specific gravity, and uric acid) with dehydration. Results: 54 children (60%) were dehydrated mildly, 24 (26%) dehydrated and moderately, and 12 (14%) dehydrated severely. Statistically significant differences in BUN, creatinine, serum bicarbonate, glucose, and urine specific gravity could not be observed. But there was significant relationship between uric acid and the degree of dehydration. Data analysis suggested that the level of 7.0 mg/dL is the best cut-off value for predicting the development of moderate or severe dehydration. At this cut-off value, the sensitivity and specificity were 66.6% and 87.1%. Conclusion: Our study supports that the measurement of serum uric acid with traditional scale is useful for predicting the development of dehydration. But, in order 10 be used as the indicator for proper treatment at an earlier stage, further validation about serum uric acid is necessary.
Ha, Ji-Hye;Kwon, Min-Cheol;Seo, Yong-Chang;Choi, Woon-Yong;Chung, Eul-Kwon;Chung, Ae-Ran;Kim, Jin-Chul;Ahn, Ju-Hee;Lee, Hyeon-Yong
Korean Journal of Food Science and Technology
/
v.42
no.2
/
pp.233-239
/
2010
This study was conducted to examine the anticancer activities of Berberis koreana extracts according to different extraction processes. The highest extraction yield obtained was 8.26% following extraction by ultrasonification at 60 kHz and $60^{\circ}C$ followed by high pressure at 500MPa. Generally, the extracts from the ultrasonification process showed relatively low cytotoxicities against the human normal cell line, HEK293 showing as low as 15%. This extract inhibited the growth of the digestive related organs cell lines, human stomach adenocarcimoma cell and human epithelial adenocarcinoma cell by up to 80% when administered at 1.0 mg/mL, and showed 2.5-3.5 of selectivity. It was also found that this extract induced the production of nitric oxide levels as high $37.87\;{\mu}M$ from macrophages. For the in vivo experiment using ICR mice, the total serum IgG levels of mice treated with B. koreana extracts from ultrasonification extraction were increased by up to 57 ng/mL. The survival time of this group was longer than that of the other group after the injection of Sarcoma-180 and the increment of their body weights was also greatly suppressed. In addition, the extract showed the highest tumor inhibition activities, leading to a reduction of 78.47%. These results indicate that the highest activities of B. koreana associated with this extraction process can be significantly improved.
Estimations were made of oxidative susceptibility and fatty acid composition of edible meats of native chickens fed various dietary sources containing ${\omega}-3$ polyunsaturated fatty acids (PUFA). A total of 240 Korean native chickens were divided into 4 groups, placed into 3 replicates per group, and were fed a commercial diet (Control) or one of the three experimental diets containing 10% perilla meal (PM group), 10% perilla meal-5% full fat flaxseed (PM+FS group), or 10% perilla meal-5% full fat flaxseed-1% fish oil (PM+FS+FO group) for 20 days. Final body weight, weight gain, feed intake, and feed conversion rate among the groups were not significantly different. Dietary treatments did not affect the relative weights of liver, abdominal fat, and breast muscle. The leg weight was increased from the feeding of ${\omega}-3$ PUFA sources. The TBA reactive substance in the edible meat was not different with the dietary treatments. The total ${\omega}-3$ PUFA in chickens that were fed diets containing ${\omega}-3$ PUFA sources increased compared to that of the control. The level of longer chain ${\omega}-3$ PUFAs, such as C20:5 ${\omega}3$ and C22:6 ${\omega}3$ in the PM+FS+FO group, was much higher than that of the others. The addition of local ingredients, such as perilla meal with conventional sources, could be used to obtain value-enhanced meat by enhancing ${\omega}-3$ PUFA.
Kim, Chung-Sook;Ha, Hye-Kyung;Kim, Hye-Jin;Lee, Je-Hyun;Song, Kye-Yong
Korean Journal of Food Science and Technology
/
v.34
no.4
/
pp.710-718
/
2002
It is reported that Pueraria Radix contains phtoestrogens whereas flower, and bud of Pueraria lobata Ohwi were not known. In the present study, we determined the amount of phytoestrogen in each portion of P. lobata Ohwi and carried out therapeutic effects of osteoporosis. The amounts of genistein, daidzein, and formononetin in Pueraria Radix (PR), Pueraria Flos (PF), and young Pueratia Folium (PL) were quantitated using a HPLC system. Proliferation of osteoblast and growth inhibitory effect on osteoclast were measured in order to screen their effects on osteoporosis. Proliferation of osteoblast-like cells (Saos-2) was analyzed by both MTT methods and alkaline phosphatase (ALP) assays. Growth inhibitory effect on osteoclast was also detected as Tartrate resistant acid phosphatase (TRAP) assay. Ovariectomized rat as an in vivo animal model was selected and administrations of PR were 1 g/kg/day (PR-1) and 5 g/kg/day (PR-5) for 9 weeks, respectively. Trabecular bone areas (TBAs) of tibia and lumbar were analyzed usibg histomorphological methods. Results show that PR contains the highest level of daidzein ($10435{\pm}2143\;mg/kg$ of dried herb) and stimulated ALP activity, approximately 160% of the control. Growth inhibitory effect on osteoclast by both PR and daidzein were almost identical with control although $IC_{50}$ of genistein was $5.81{\times}10^{-7}$ M. Increases in body weight of OVX rats were suppressed by administration of PR but wet weights of uterus in PR-5 group were increased (p<0.05). Plasma ALP and HDL-cholesterol levels were decreased following ages (p<0.01), and LDL-cholesterol level was also decreased in PR-5 group at 20 week of age (p<0.01). TBAs of tibia and lumbar in PR-1 and PR-5 groups were higher than those of the control although the values were less than those of the sham group (each p<0.01) In conclusion, administrations of PR prevented loss of TBAs of tibia and lumber in OVX rats, while PL and PF did not (p<0.01).
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