The experiments were carried out to investigate the aging effect between loin muscles from Hanwoo and Helstein. Two kinds of loin samples were prepared from the carcasses of grade B2 from Hanwoo and D from Holstein. The carcasses were chilled for 24 hours after slaughter. The carcasses was obtained by chilling the loin fort 1 day after wrapping it. On the other hand. was obtained divided by 500g and stored at 2$^{\circ}C$ for 11 days after air packing. In the case of fresh beef pH and lactic acid of grade B2 were lower than that of grade D. Hardness and chewiness of grade B2 were lower than that of grade D, but myofibrillar fragmentation index(MFI) of glade B2 were higher than that of grade D. Total concentrations of free amino acid of grade B2 were higher than those of D. The contents of monounsaturated fatty acid of grade B2 was lower than grade D, and monosaturated fatty acid/saturated fatty acid(MUFA/SFA) of grade B2 were higher than grade D. The contents of nonprotein nitrogen of the aged beef was higher than the fresh beef, and beef of grade B2 was higher than that of grade D. In case of aging beef. cooking loss of grade B2 was lower than grade D.
Overexpressions of the estrogen receptors(ER), progesterone receptors(PR) and C-erbB-2 protein are important determiners of the response to chemotherapy in the breast cancer. For detecting ER, PR and C-erbB-2, immunohistochemistry are currently regarded as standard method. The purposes of this study compared to histologic grade and expression of the ER, PR and C-erbB-2 in breast cancer. We examined overexpression of ER, PR and C-erbB-2 protein in 84 breast carcinomas by using immunohistochemical stains. The following results were obtained. For histologic grade, 10 cases(11.9%) showed carcinoma in situ, 16 cases(19%) showed grade I, 36 cases (42.9%) showed grade II, and 22 cases(26.2%) showed grade III among the 84 test samples. The average positive rate ER and PR was 63%, 46% showed carcinoma in situ, 80%, 60% showed grade I, 64%, 41% showed grade II, 34%, 23% showed grade III, respectively. The induction of PR increased when induction of ER increased, thus showing significant relationship(p<0.05). The expression of C-erbB-2 protein was 9 cases(10.7%) in one positive(1+), 9 cases(10.7%) in two positive(2+), and 9 cases(10.7%) in three positive(3+). C-erbB-2 protein expression showed no statistical significance. In conclusion, ER and PR positive rates were inversely associated with histologic grades significantly(p<0.05). C-erbB-2 showed no significant difference with histologic grade. However ER, PR and C-erbB-2 showed significant relationship with each other(p<0.05). Therefore, these findings might be an important prognostic factor and might be arranged as a regular pathological examination in cases of breast cancer.
Journal of the Korean Society of Food Science and Nutrition
/
v.30
no.6
/
pp.1152-1157
/
2001
Two kinds of samples were prepared from the loin in the carcass with grade B2 and D, which were chilled for 24 hour after slaughter. The fresh beef in this study were obtained by chilling the loin for 1 day after wrapping them. On the other hand, the chilled beef were obtained by cutting the loin by 500 g and chilling them for 30 day after vacuum packing. The experiment was carried out to compare the palatability related with characteristics of loin with grade B2 and D and to investigate the chilling effect of the loin with grade D. In the case of fresh beef, it was found that the loin with grade B2 has better meat color, but lower pH, lactic acid content, and myoglobin content, than them of the loin with grade D. Also, the loin with grade B2 has lower tenderness due to its low hardness and chewiness, and high myofibrillar fragmentation index (MFI). Furthermore, it has high monounsaturated fatty acid/saturated fatty acid (MUFA/SFA) and ATP content, and good raw meat aroma. It also shows an excellent palatability of cooked meat, although it has low cooking loss and heat shotening. On the other hand, the loin with grade D has higher chilling effect on hardness, chewiness, MFI and MUFA/SFA, than them of the loin with grade B2. However, in the case of chilled beef, the loin with grade D shows much worse tenderness, cooked meat aroma, and palatability than them of the loin with grade B2.
Journal of the Korean Institute of Rural Architecture
/
v.17
no.3
/
pp.27-36
/
2015
This research studies the adequate size standard of Seogwipo cruise terminal CIQ facility that is scheduled to be built around Gangjeong harbor area in Seogwipo-city. In order to respond to the highly increasing number of passenger cruise ships compared to Seogwipo cruise terminal design in 2010, the adequate size standard of Seogwipo cruise terminal CIQ facility was examined for passenger service level grade. Based on size computation elements such as the number of passengers of cruise ships with the largest size of port entry, ship landing rate, passenger processing ratio, and surge factor, the CIQ facility size for each service level grade was reviewed. As a result, the area of 2,971m2 (A grade), 2,409 m2 (B grade), and 2,088 m2 (C grade) were computed. This showed that the area of B grade was about 82% and C grade 70% compared to the area of A grade. The CIQ facility size computed for each service level grade in this research was analyzed that its area needed to be increased by 322% at least and 458% at most, compared to the CIQ facility area of 649m2 of the existing design (2010). In order to respond to the increasing number of cruise passengers, provide high-level passenger service, and improve the international image of Jeju, Seogwipo cruise terminal should secure the size that is equal to or higher than the B grade of service level.
Journal of the Korean Society of Food Science and Nutrition
/
v.33
no.1
/
pp.201-206
/
2004
This study was carried out to investigate the effect of addition mugwort podwer and carcass grade on the shelf life of pork ham. Pork ham was prepared by four type such as grade B pork ham ( $B_{o}$ ), grade B pork ham containing mugwort powder ( $B_{+}$), grade E pork ham ( $E_{o}$ ) and grade E pork ham containing mugwort powder ( $E_{+}$). The surface color, pH, residual nitrite, VBN (volatile basic nitrogen), TBARS (2-thiobarbituric acid reactive substances) and total bacterial counts of the samples were determined during storage for 8 weeks at 4$^{\circ}C$. The $L^{*}$ value of $B_{o}$ and $B_{+}$ ham showed higher at the latter period of 8 weeks, that of $E_{o}$ ham was the highest on at the storage of 2nd week and that of $E_{+}$ ham was not different during 8 weeks storage. The $L^{*}$ value of B grade ham was higher than that of E grade ham and the $a^{*}$ value of E grade ham was higher than that of B grade ham. The pH of all ham decreased during storage, but increased from 8 weeks. The residual nitrite of all ham highly decreased until storage for 2 weeks, the addition of mugwort powder was affected in the reduction of residual nitrite of pork ham. The VBN contents were 6.90∼7.90 mg% in the early period of storage, was 14.07∼14.83 mg% on the storage of 8th week. The TBARS of pork ham were increased gradually during storage and pork ham containing mugwort powder showed lower value than pork ham non added mugwort powder during 4th and 6th weeks storage. The total bacterial counts of pork ham were increased gradually during storage and the addition of mugwort powder was not effective.ive.ctive.ive.
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.
This study was carried out to clarify the effect of addition of mugwort and carcass grade on the quality and sensory properties of loin hams. The volatile basic nitrogen, 2-thiobarbituric acid reactive substances, total bacterial count, water holding capacity and calorie of loin hams were not significantly different among hams, but the pH and residual nitrite of loin hams with mugwort were significantly lower than that of loin hams without mugwort. The fat content of grade B loin hams were higher than that of grade E loin hams, and the protein and total amino acid content of grade E loin hams were higher than that of grade B loin hams. The free amino acid, saturated fatty acid and unsaturated fatty acid were not significantly different among loin hams. The $L^{*}$ value of grade B loin hams were higher than that of grade E loin hams, the a value of grade E loin hams were higher than that of grade B loin hams, and the $b^{*}$ value was not significantly different among loin hams. The hardness, springiness, cohesiveness, gumminess and chewiness were not significantly different among loin hams. The aroma of loin hams without mugwort were superior than that of loin hams with mugwort, and the juiciness of grade B loin hams were superior than that of grade E loin hams. But the color, taste, texture and palatability were not significantly different among loin hams.
This study was carried out to investigate the effect of mugwort podwer and carcass grade on the shelf-life of pork patty. Pork patty was prepared by four types such as grade B pcrk patty without mugwort powder (A patty), grade B pork patty with mugwort podwer (B patty), grade I pork patty without mugwort powder (C patty) and grade E pork patty with mugwort powder (D patty) and the residual nitrite, surface color, pH, VBN (volatile basic nitrogen), TBARS (2-thiobarbituric acid reactive substances) and total bacterial counts of the sample were determined during storage at 4$^{\circ}C$. The residual nitrite of pork patties with mugwort powder was highly decreased until storage for 2 weeks, pork patties without mugwort powder highly decreased until storage for 4 weeks, therefore addition of mugwort powder reduced residual nitrite of pork patty. The L* value of pork patty was the highest at early stage of storage, pork patties with mugwort powder were lower than that of pork patties without mugwort powder, and grade B pork patties were higher than that of the grade I pork patties. The a value of grade I pork patties were higher than that of grade B pork patties, and changes during storage were no significant difference. The b value of grade B pork patties were higher than that of grade I pork patties. The pH of pork patties decreased during storage. The VBN, TBARS and total bacterial counts added significantly during storage, and the addition of mugwort powder were not affected during storage.
The purpose of this study is to verfify a more effecive techique for calculating geothermal gradient. this study examines 370 data of temperature-logging having been collected since 1985. The daya are divided into three different grades grades according to the type of temperature-depth plots: 204 data show typical linear gradient (Grade A); 126 data do not explicitily show the gradient becase of various external effects such as water flow (Grade B); and the rest 40 data do not show the gradient at all (Grade D). The new technique for calculating geothermal gradient is to be required to use Greade-B data more effctiviely. This new technique includes (1) calculating the independer depth of atmospheric temperature in the earth; (2) drawing a distribution map of subsurface tempurature by using the distribution map of subsurface temperature by using Grade-A data at the independent depth; and (3) recalculating geothermal gradient of Grade-B data by using the distrbution map of subsurface temperature, borehole depth, and bottom temperature of Grade-B data by using the distribution map of subsurface temperature, borehole depth, and bottom temperature of Grade-B data. As a result, 330 data-both Grade-A and Grade-B data--can be used to draw a distribution map of hot spradient. The map clearly distinguishes anomaly areas, and helps interpret their relations to the distribution of hot springs, geology, geological structures, and geophysical anomaly areas. These new results reveal that the average of geothermal in south Korea is 25.6$^{\circ}C$/km, when calculated to the Kriging method.
This study was carried out to investigate the effect of addition of mugwort powder and carcass grade on the quality characteristics of pork patty. Pork patties prepared from A patty(grade B pork patty), B patty(grade B pork patty containing mugwort powder), C patty(grade E pork patty) and D patty(grade E pork patty containing mugwort powder). The chemical composition, calorie, residual nitrite, surface color, textural properties, water holding capacity and sensory evaluation were evaluated. Moisture contents(%) were not different among patties, and crude fat(%) and calorie values of patties prepared from grade B pork meat were higher than those of patties prepared from grade E pork meat. Crude ash contents(%) were not different among patties, and residual nitrite contents(ppm) of patties containing mugwort powder were lower than those of patties without mugwort powder. Hunter L and b values of patties prepared from grade B pork meat were higher than those of patties prepared from grade E pork meat, and Hunters a values of patties prepared from grade E pork meat were higher than those of patties prepared from grade B pork meat. Hardness, cohesiveness and chewiness values of patties prepared from grade B pork meat were lower than those of patties prepared from grade E pork meat. Aroma, taste, texture, juiciness, color and palatability values were not different among patties.
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