Kim Young-Boong;Jeon Ki-Hong;Rho Jung-Hae;Kang Suk-Nam
Food Science of Animal Resources
/
v.25
no.4
/
pp.365-372
/
2005
This study was carried out to investigate the Physiochemical Properties of loin and rump in the native horse meat from Jeju. In the analysis of chemical composition of loin and rump, the result showed $72.2\%\;and\;73.8\%$ in moisture content $20.1\%\;and\;21.2\%$ in crude protein, $2.42\%\;and\;3.08\%$ in crude Int and $0.13\%\;and\;0.14\%$ in crude ash respectively. Glutamic acid was 3,275mg/100g and 3,577mg/100g in loin and rump each and it had highest result in amino acid analysis. K content was 388.0mg/100g which showed highest result in mineral analysis and next contents were P>Na>Mg>Ca. Oleic acid had highest result in fatty acid composition which were $62.64\%\;and\;63.77\%$ in loin and rump respectively. Cholesterol content of loin and rump were 43.25 and 43.57 mg/100g but showed no significant differences to the part. pH of loin and rump were 5.60 and 5.75 which had no significant differences. Loin had Higher result than that of rump with no significant differences in WHC and springiness of texture analysis. Redness of rump was higher than that of loin. In the sensory evaluation, there were significant differences in the color and odor. Loin had higher result than that of rump in the overall palatability but showed no significant differences. With the result of this experiment native horse meat from Jeju could be understood as good meat resources.
Journal of the Korean Society of Food Science and Nutrition
/
v.31
no.4
/
pp.629-635
/
2002
This study was performed to develop low-fat comminuted sausages (LFSs, < 3%) manufactured with 1% single (Konjac flour, KF; kappa-carrageenan, k-CN and Locust bean gum, LBG) or mixed hydrocolloids and to select the best combination which had similar textural characteristics to those with regular-fat (~25% fat) control. In experiment 1, LFSs were formulated with each 1% hydrocolloid, smoked and cooked to an internal temperature of 71.7$^{\circ}C$. The pH range of LFSs was 6.29 to 6.34 and approximately 23~24% of fat was removed in the final products, resulting in the higher moisture and protein contents (%) in LFSs, as compared to regular-fat control. No differences (p>0.05) in cooking loss (CL, %), expressible moisture (EM, %), and hunter color values (L, a, b) were observed with the addition of each 1% hydrocolloid. However, LFSs containing 1% k-CN had textural hardness values similar to those with low-/regular-fat controls, whereas LFSs having either KF or LBG had similar cohesiveness values to those with regular-fat counterpart. Tn experiment 2, two or three mixed hydrocolloids were added to the low-fat sausage formulation. The addition of mixed KF+LBG (KLL) and KF+CN+LBG(KCL) reduced EM and textural hardness values, as compared to low-fat control. Among the treatments, LFSs containing two or three combinations of CN with KF or/and LBG had similar textural characteristics to those with regular-fat control. These results suggested that multiple addition of CN with other hydrocolloids (KF or LBG) for the replacement of fats in LFSs would be recommended for the proper functional and textural properties.
Kim, Jung Chul;Choung, Ju Mi;Eun, So Hee;Lee, Dae-Yeol;Kim, Jung Soo
Clinical and Experimental Pediatrics
/
v.45
no.11
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pp.1373-1380
/
2002
Purpose : Acute measles encephalitis(ME) is characterized by an abrupt onset of fever and obtundation, frequently accompanied by seizures and multifocal neurological signs. The aim of this study was to clarify the clinical manifestation, progression and the brain SPECT patterns in patients with acute ME. Methods : This study included 11 children with acute ME admitted to Chonbuk National University Hospital. Ten patients received a first dose of measles vaccine, one patient did not receive a first dose, and no patients received a second dose. ME was diagnosed based on characteristic clinical pictures, measles antibodies by ELISA and abnormal CSF findings. Brain MRI and brain SPECT were performed in 11 patients with acute ME. Results : There were four males and seven females whose ages at onset ranged between 18 months and 14 years(mean : 10.5 years). The main clinical neurologic pictures were loss of consciousness( 10) and seizure(five). The titer of IgG and IgM antimeasles antibodies in serum were positive in 10 patients. In CSF, nine patients had IgG antibodies and one patient had IgM antibodies. The concentration of protein(mean : $124{\pm}60mg/dL$) and WBC counts(mean : $158{\pm}157/{\mu}L$) in CSF were elevated in all patients. In electroencephalographic examination, nine patients showed increased slow waves. Seven of 11 patients(63.6%) revealed high signal intensity on the brain MRI. In contrast, all patients showed hypoperfusion in brain SPECT examination. According to brain SPECT, the perfusion deficits were frequently observed in the frontal lobe(nine), temporal (nine), parietal(eight) and thalamus(eight). Conclusion : Brain SPECT is more sensitive than MRI for the evaluation of brain damage in early stages of acute ME.
Journal of the Korean Society of Food Science and Nutrition
/
v.32
no.3
/
pp.350-355
/
2003
This study was carried out to clarify the effect of addition of perilla leaf powder (PLP) and carcass grade on the quality and palatability of pork sausage. The chemical composition, pH, calorie, water holding capacity, surface color, textural properties and amino acid composition of the samples were determined, and sensory characteristics were evaluated. Moisture and crude ash were not different among sausage of four type. Crude fat of grade B sausage was higher than that of grade E sausage, and grade B sausage added PLP was higher than grade B sausage without PLP. Crude Protein of grade E sausage was higher than that of grade B sausage. The pH of grade E sausage added PLP was highest, and calorie of grade B sausage without PLP was highest among sausage of four type. Water holding capacity of grade B added and free PLP was significantly higher than grade I sausage. The residual nitrite of sausage added PLP was significantly lower than sausage without PLP. In case of Hunter's $L^{*}$, grade B sausage and free PLP sausage were significantly higher than grade E sausage and sausage added PLP, respectively. In case of Hunter' $a^{*}$, grade E sausage and free PLP sausage were significantly higher than grade B sausage and sausage added PLP. Hunter's $b^{*}$ of sausage added PLP was higher than that of free PLP sausage. Textural properties, hardness, springiness, cohesiveness and chewiness were significantly different among sausage of four type, but gumminess of grade E added PLP was lowest among sausage of four type. Total amino acid was not significantly different among sausage of four type. Sensory color and texture of grade B sausage were superior to grade I sausage, palatability of free PLP sausage was superior.sage was superior.
Journal of the Korean Society of Food Science and Nutrition
/
v.32
no.3
/
pp.356-362
/
2003
The present study was conducted to know the physicochemical properties of non fermented tea and fermented teas with the fermented time of 0 hr (non fermented tea), 10 hrs, 17 hrs (semi-fermented tea), 24 hrs (black tea), respectively The moisture content of non fermented tea, semi fermented, and black tea was 3.01% ~ 3.29%. The contents of reducing sugar, crude lipid, crude protein were increased and that of ascorbic acid was decresed with fermentation. The total contents of those increased as tea was more fermented. The contents of the citric acid and the malic acid were increased with fermentation, but the content of the succinic acid was decreased. However, the total content of organic acid was generally increased with fermentation. The total content of the amino acid was increased with fermentation. In non fermented tea, Thr+theanine, the Asp, and the Glu, were determined in order of content. In semi-fermented tea and black tea, Ter+theanine, Glu, and Asp were determined in order of content. The rate of essential amino acid in the total content of free amino acid was increased with fermentation. The content of theanine was 1.21% in non fermented tea and 1.50% in black tea. The contents of theanine were increased as tea was more fermented. The content of caffein was 3.57% in non fermented tea and 3.55 ~ 3.60% in semi-fermented tea and black tea. These results were inconsistent in the content of caffein. Five kinds of catechin, that is, cathechin, epigallocathechin, epicathechin, epigallocathechin gallate, and epicathechin gallate were extracted. The content of catechin was 14.18% in non fermented tea, but decreased sharply as tea was more fermented.
Journal of the Korean Society of Food Science and Nutrition
/
v.36
no.5
/
pp.595-602
/
2007
This study was conducted to investigate on food component characteristics of seafood cooking drips (skipjack tuna cooking drip, octopus cooking drip and oyster cooking drip) as a source of functional seasoning. Heavy metal contents of seafood cooking drips were below food safety level. Among seafood cooking drips concentrated to 5 folds, the crude protein content was the highest (18.1%) in skipjack tuna cooking drip (SCD). The free amino acid content and taste value were higher in SCD than in other seafood cooking drips, and the major free amino acids were glutamic acid and aspartic acid. Total amino acid content of SCD was 16.2 g/100 mL and the major amino acids were glutamic acid (11.9%), proline (9.2%), glycine (9.1%) and histidine (11.5%). SCD in comparison with other seafood cooking drips showed the highest angiotensin I converting enzyme (ACE) inhibitory activity at $IC_{50}$ of 14.1 mg/mL. These results suggested that SCD could be used as a source of functional seasoning.
Kim, Hae-Young;Kim, Gil-Hoon;Kim, Haeng-Ran;Kim, Yang-Sook
The Korean Journal of Community Living Science
/
v.20
no.3
/
pp.423-435
/
2009
Meal menus were developed and applied for rural elderly of Gangwon and Chungnam areas at agricultural off-season. Amounts of the major nutrients of carbohydrate, protein, lipid, and calorie considered in the menu based on the dietary reference intakes(DRI) of the elderly aged over 65 years were 97.5g, 22.5g, 13.3g, and 600kcal, respectively. In Chungnam, softness and overall acceptance of rice in menu 4, consisted of cereals and rice, kimchi stew with tuna, pan-fried bulgogi mushroom, seasoned dropwort carrot, kimchi, and banana, scored the highest values of 8.5 out of 9.0point hedonic scale (p<0.05). In Gangwon, soup and side dish of menu 3 (rice, frozen pollack pot stew, meatball fried in egg, seasoned sea lettuce, and banana) scored significantly the highest of all (p<0.05). Overall acceptance of all the menus were high over 7.8 without significance in Chungnam. Overall acceptance of the menu 3 scored significantly the highest with value of 8.5 and menu 4 (rice, spicy chicken soup, seasoned bean sprouts, broiled brown seaweed trunk, kimchi, tomato) had significantly the lowest value with value of 7.8 in Gangwon(p<0.05). The total leftover volume of menu 4 was significantly the highest with score of 56g and the menu 4 showed the highest unit cost of 2,900won in Chungnam. However, the total leftover volume of all menus did not show significance ranging from 9g to 19g in Gangwon.
An experiment was conducted to compare the ME values of imported corns measured by In vivo(TME) and In vitro(MEn, ME and MEpc) methods and to investigate the true amino acid availability(TAAA) and the true nutrient availability(TNA) of imported corns. For TME assay, twenty four 57-weeks-old Hy-Line roosters were assigned to fasting group(4 roosters) and four corn groups(5 roosters each): USA; corn produced in the United States, ARG; corn produced in Argentina, CHN; regular corn produced in China, CHNP; premium corn produced in China. The MEn, ME and MEpc values were determined by equations based on chemical analysis. The TME value of USA(3,745kcal/kg) in as fed basis was significantly (P<0.01) higher than ARG(3,555kcal/kg) and CHNP(3,518kcal/kg) but was not significantly different from CHN(3,671kcal/kg). The TME value of USA(4,144kcal/kg) in DM basis was not significantly different from CHN(4,060kcal/kg) and CHNP(4,008kcal/kg) but was significantly(P<0.05) higher than ARG(4,001kcal/kg). There were significant differences in TAAA of phenylalanine, histidine and arginine among imported corns. Those of USA were highest but overall TAAA was not significantly different among imported corns. True availability of NFE of USA, ARG and CHN was significantly(P<0.05) higher than that of CHNP. However, true availability of crude protein, crude fat, crude fiber and crude ash were not significantly different among corns. The correlation coefficient between TME and MEn value was 0.91 which was significant at P<0.1 but correlation coefficient between TME and ME value and between TME and MEpc value was 0.90 and 0.83, respectively which was not significant at P<0.1. In conclusion, US corn was highest in TME values and Chinese premium corn was not significantly different from regular Chinese corn. The MEn value obtained by equation based on chemical analysis may be used as a tool to evaluate TME value of corn.
In this study, we investigated the preventive effects of the mulberry leaf tea fermented by Monascus pilosus on high fat-induced obesity, hyperlipidemia, and fatty liver in mice. Non-fermented mulberry leaf tea powder (UM) and fermented mulberry leaf tea powder (FM) were supplemented with high-fat diet at 2% (wt/wt) dosage for 8 weeks. Both UM and FM lowered body weight gain, feed efficiency ratio, epididymal fat, serum triglyceride, total cholesterol and LDL-cholesterol increased markedly with high fat diet (HC) in mice. FM showed more significant effects when it was compared with UM. In addition, Hepatic lipid peroxides and xanthin oxidase activities of the UM and FM were significantly lower than those of HC, despite the lack of a big difference in the amount of hepatic GSH. Activities of ROS scavenging enzymes and serum alanine aminotransferase activity were also examined as a parameter of hepatic damage. The UM and FM groups showed a recovery to NC group from significant changes induced by HC. Finally, histopathological analyses of liver samples revealed a decrease of lipid accumulation in hepatocytes in the UM and FM groups. These results suggest that UM and especially FM can reduce the development of obesity, hyperlipidemia and fatty liver.
Conjugated linoleic acid (CLA) was chemically synthesized using the alkaline isomerization method of com oil. CLA-TG was synthesized by reaction with sodium methoxide. Five different treatments were devised based on differences in the amount of CLA-TG added into the pressed han. for controls, 10% of pork back fat among the total component was only added without any CLA-TG. For the first treatment, 5% of CLA-TG among the lard component added into the press ham was replaced. For the 2nd, 3rd and 4th treatments, 10%, 15% and 20% of CLA-TG was respectively replaced. Pressed ham manufactured using CLA-TG was vacuum packaged and then stored for 1, 7, 14, 21 and 28 days at $4^{\circ}C$. Samples were analyzed for chemical composition, physico-chemical properties (pH, color), and texture characteristics. Typical chemical composition characteristics (moisture, crude protein, crude fat) were not significantly different between controls and CLA-TG treatment groups. Crude fat content of CLA-TG treatment groups was significantly lower than that of controls (p<0.05). pH values of controls was higher than that of CLA-TG treatment groups. The pH of control and CLA-TG treatment groups increased significantly as the storage period increased (p<0.05). Meat color (CIE $L^*,\;b^*$) of CLA-TG treatment groups was higher than that of controls. $a^*$ values were decreased by replacement of CLA-TG, but appeared to be unaffected by storage length. There was no significant difference in texture between controls and CLA-TG treatment groups. Based on these findings, we conclude that the physico-chemical properties and texture characteristics of manufactured pressed ham were not affected by CLA-TG addition. Also, our results indicate that high-quality pressed ham can be manufactured with CLA accumulation.
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