This study was carried out to produce reduced-nitrite sausages by using the red beet pigment and chitosan. The addition of red beet pigment affected the color of sausage and was effective in nitrite scavenging ability, water holding capacity, and tenderness. The addition of chitosan was effective in water holding capacity and tenderness, but was not effective in nitrite scavenging ability. On the other hand, the use of ${\beta}$-cyclodextrine was effective in water holding capacity and tenderness. Pyrophosphate was only effective in water holding capacity. The adding level of nitrite could be reduced by half by using red beet pigment and chitosan for the development of color of sausage.
Journal of the Korean Society of Clothing and Textiles
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v.27
no.3_4
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pp.395-406
/
2003
The Purpose of this study is to find out the effect of clothing style and color, tone combination on impressions formation. The experimental materials developed for this study are a set of stimuli and response scale(The 7-point semantic). The stimuli are 36pictures manipulated with clothing style, color and tone variation by computer drawing. The subjects are 216 female undergraduate students and 216 female of middle age(40~50) in Chin-ji city. The resulte of this study are as follows : Impression factor of the stimulus was consisted of the 5 different demensions(attractiveness, elegance, activity, revealation, tenderness). Among there, attractiveness and elegance factors proved to be more important. In the attractiveness and tenderness, clothing style, color, tone combinations and perceiver's age had the significant effect. In the elegance and revealation, color and perceiver's age had the significant effect but in the activity, only color did not have the significant effect. Significant interaction effects of clothing style and color, style and tone combination, and color and perceiver's age on attractiveness and revealation were found. Interaction effect of color and tone combination was significant on the elegance and revealation, and that of color and perceiver's age was significant on tenderness.
The purpose of this study is to investigate the effect of eyeshadow color(brown, purple), lipstick color(red, red purple, and yellow red), and lipstick tone(vivid, light, dull, and dark), clothing tone(vivid, light, dull, and dark) on image formation. Sets of stimulus and response scales(7 point semantic) were used as experimental materials. The stimuli were 64 color pictures manipulated with the combination of eyeshadow color, lipstick color, lipstick tone, and clothing tone using computer simulation. The subjects were 384 female undergraduates living in Gyeongnam-do. Image factor of the stimulus was composed of 4 different components (attractiveness, visibility, gracefulness, and tenderness). In the 4 image components, eyeshadow color and clothing tone showed independent effect. Lipstick tone influenced independently on the visibility and tenderness. In the contrast color coordination of clothing and makeup, visibility image by the coordination of lipstick color with lipstick tone, lipstick color with clothing tone or lipstick tone with clothing tone, gracefulness image by the coordination of eyeshadow color with lipstick color, tenderness image can be produced by the coordination of eyeshadow color with lipstick color, eyeshadow color with lipstick tone or eyeshadow color with clothing tone.
Purpose: This examined the effect of Kinesio taping pre-intervention on the pain, tenderness, proprioceptive sensation, and muscle strength associated with delayed onset muscle soreness. Methods: Thirty subjects were divided into a Kinesio taping application group of 15 subjects and a control non-taped group of 15 subjects, and the changes in individual variables were analyzed before taping and at 24, 48, and 72 hours after taping using two-way repeated ANOVA. Post-hoc t-tests were conducted in the cases with intergroup interactions, and the significance level ${\alpha}$ was set to ${\alpha}=0.01$. Results: The changes in pain during rest were significantly different only for the times, while the changes in pain during exercise were significantly different for the times, interactions between the times and groups, and intergroup changes (p<0.05). The changes in tenderness were significantly different for the times and for interactions between the times and groups (p<0.05). The changes in proprioceptive sensation were significantly different for the times, interactions between times and groups, and intergroup changes (p<0.05). The changes in muscle strength were significantly different only for the times (p<0.05). Conclusion: The application of Kinesio taping had positive effects on the pain, tenderness, and proprioceptive sensation of delayed onset muscle soreness. These results suggest that Kinesio taping can be a useful therapeutic factor in future studies and in clinical settings.
Various commercial collagen mixtures aimed at improving the quality of meat products are available, but the optimal composition is unclear. This study aimed to compare the functional properties, including physicochemical characteristics and lipid oxidative stability, of loin ham marinated with three commercial collagen mixtures sold as food additives. The addition of collagen mixtures led to significant increases in the moisture content, water holding capacity (WHC), cooking yield, and instrumental tenderness, regardless of the type of collagen mixture. In particular, meat samples containing collagen mixture C showed the highest (p<0.05) WHC and tenderness among all groups. Furthermore, collagen mixture B induced increases (p<0.05) in pH values in both raw and cooked samples. The $a^*$ values of samples with collagen mixtures were lower (p<0.05) than those of samples without collagen mixtures. All collagen mixtures effectively improved oxidative stability during 7 days of storage at $4^{\circ}C$. The samples containing collagen mixture B had the lowest lipid oxidation (p<0.05) among groups. These results indicated that collagen mixture C could be used in injection brine to enhance the quality characteristics of meat products, particularly the WHC and tenderness. Collagen mixture A could be used for meat products with high fat contents based on its ability to improve lipid oxidative stability during long-term storage.
Objective: The effects of a crude protease extracted from Cordyceps militaris (CM) mushrooms on the postmortem tenderization mechanism and quality improvement in spent hen breast were investigated. Methods: Different percentages of the crude protease extracted from CM mushrooms were introduced to spent hen breast via spray marination, and its effects on tenderness-related indexes and proteolytic enzymes were compared to papain. Results: The results indicated that there was a possible improvement by the protease extracted from CM mushroom through the upregulation of endogenous proteolytic enzymes involved in the calpain system, cathepsin-B, and caspase-3 coupled with its nucleotide-specific impact. However, the effect of the protease extracted from CM mushroom was likely dose-dependent, with significant improvements at a minimum level of 4%. Marination with the protease extracted from CM mushroom at this level led to increased protein solubility and an increased myofibrillar fragmentation index. The sarcoplasmic protein and collagen contents seemed to be less affected by the protease extracted from CM mushroom, indicating that substrate hydrolysis was limited to myofibrillar protein. Furthermore the protease extracted from CM mushroom intensified meat product taste due to increasing the inosinic acid content, a highly effective salt that provides umami taste. Conclusion: The synergistic results of the proteolytic activity and nucleotide-specific effects following treatments suggest that the exogenous protease derived from CM mushroom has the potential for improving the texture of spent hen breast.
Kim, Jong-Yeol;Kwon, O-Sang;Lee, Yu-Jung;Kim, Jae-Hyo;Kim, Eung-Sun;Kim, Yu-Lee;Shon, In-Chul
Korean Journal of Acupuncture
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v.24
no.4
/
pp.47-54
/
2007
Objection : A medicine which is patient-initiative and preventive is required in Korea, which is going to an aging society. On this, we started this study to make a new rule to diagnose and treat more definitely by linking traditional Oriental medicine to Sasang Constitional medicine, which thought to be suitable because of Sasang Constitional medicine has been valued on staying, diet and human's nature which means preventive medical propensity. Methods : On this study, we discriminated Sasang Constition of 161 students, who is in college of oriental medicine, Wonkwang university, by using QSCCII program; and in those students, we checked 30 volunteers's five vicera's Back-su point on riging and depression, tenderness reaction, and color reaction after cupping treatment. Results : As a result of study of riging and depression of five vicera's Back-su point, we could confirm that defecient organ's Back-su point were more depressed than excess organ in Seum-in, Taeeum-in, Soyang-in. As a result of study of tenderness reaction of five vicera's Back-su point, we could confirm that excess organ's Back-su point showed stronger tenderness reaction than defecient organ in Seum-in, Taeeum-in; and excess organ's Back-su point showed weaker tenderness reaction than defecient organ in Soyang-in. As a result of study of color reaction after cupping treatment of five vicera's Back-su point, we could confirm that excess organ's Back-su point showed stronger color reaction than defecient organ in Seum-in, Taeeum-in; and excess organ's Back-su point showed weaker color reaction than defecient organ in Soyang-in. Those data suggest that there are close correlation between Sasang Constition and on riging and depression, tenderness reaction, and color reaction after cupping treatment of five vicera's Back-su point in treditional Oriental medicine. Conclusions : From this study, we can make a new rule to differentiate Sasang Constition by clearfy a relation between Sasang Constition and five vicera's Back-su point; and with this rule, we could contribute to popularization and objectification of Sasang Constition medicine and further more, Oriental medicine by making a Sasang Constition diagnosis instrument. With this, a trait of Sasang Constition medicine that is preventive and valued on character of individuals will contribute to building a patient-initiative and preventive medical system and will expend the domain of Oriental medicine.
1. The effects of heat stress (38$^{\circ}C$), cold stress (4$^{\circ}C$) and extreme cold stress (-20$^{\circ}C$) before slaughter on the tenderness and postmortem glycolysis if the excised chicken breast muscle were studied Heat stress significantly (p 0.05) increased the toughness of breast muscle. Though statistically not significant, cold stress also adversely affected the tenderness. The heat-stressed birds showed higher zero hr glycogen higher zero hr pH and significantly (p 0.05) love. ultimate pH then the controls. The cold-stressed birds showed intermediate values in these parameters. Highly significant correlations. were observed between shear value and each of these three parameters. Glycolysis rate ana final moisture content were minor factors which affected the muscle tenderness to a limited extent. The slightly elevated lactate-dehydrogenase and creatine phosphokinase activities in serum and breast muscle of stressed birds failed to account for any variations in tenderness. 2. Chicken breast and thigh muscles were subjected to different environmental temperatures to determine if the phenomenon of cold shortening exists in chicken muscle. For both breast and thigh muscles, minimum shortening was observed in the 4-10$^{\circ}C$t range. Muscles held at 0$^{\circ}C$ showed a slightly higher extent of shortening than at 4$^{\circ}C$; where as muscles held at above 20$^{\circ}C$ showed a severe shortening effect. It was concluded that no apparent cold shortening was detected in chicken muscle except at 0$^{\circ}C$ and even at 0$^{\circ}C$ and even at 0$^{\circ}C$ the extent of shortening was of a small magnitude compared to bovine muscles. Since high temperature induces a much greater shortening, muscle temperature must be lowered to below 20$^{\circ}C$ as early as possible to prevent excessive muse]e shortening.
Domestic pear has been reported that it contained a pretense, which used for tenderizer of meat, however no researches for optimum level of the enzyme with maximum tenderness effect have been studied. Thus, this study was peformed to determine the optimum level of a protease for meat tenderness. Moisture contents (%) of domestic pears was determined. A pretense was homogenized in a mixer and centrifuged at 10,000 G for 1hr. After taken the supernatant, dialysis was conducted to remove salts and sugars, and freeze-dried. Then, various level (0.05, 0.1 and 0.2%) of the purified pretense were added to pork loins (3cm thickness). Then, pork samples were boiled at 80 for 12 min in a water bath to reach the interval temperature of 71 and chilled in an ice. Moisture contents (%) of domestic pears ranged from 87.2 and 87.8%. No differences in cooking loss of pork meats were observed (p>0.05) among various levels of a pretense. After centrifugation, the protein concentrations of a protease showed from 5.96 $\mu\textrm{g}$/fmL to 7.25 $\mu\textrm{g}$/mL. Increased level of a pretense up to 0.1% reduced (p<0.05) the shear value (kg/g), however no further reduction of shear value was observed at the level of higher than 0.1% of the purified pretense. The approximate molecular weight of the pretense analysed by sodium-dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) was 30 kDa. These results suggest that the optimum level of a pretense for the maximum effect of meat tenderness is above 0.1%. Further research will be peformed to determine the effect of various domestic pears and ingredients, such as salt and phosphate, on meat tenderness.
To investigate the effects of submersion aging in chilled water on tenderness and microbial growth of vacuum-packed beef, the semimembranosus muscles of Hanwoo (Korean cattle) was sampled at a commercial meat plant at 24 hrs postmortem. The samples were cut to 2.5 cm thick steaks and randomly assigned to following two treatments. The samples were stored in conventional refrigerator at 4$^{\circ}C$ after vacuum packaging for control whereas the other vacuum-packed samples were submersed in chilled water at 1$^{\circ}C$ for treatment, and both samples were stored for 14 days to measure total plate counts (TPC), sarcomere length, free calcium concentration, shear farce value and myofibrillar fragmentation index (MFI). The sarcomere length of treatment was significantly (p<0.05) longer than that of control at 3 days aging. Result suggested that submersion in chilled water of vacuum-packed beef might be effective to improve tenderness of meat compared to storage in conventional refrigerator. There were no significant differences in the shear force and MFI between control and treatment during storage. However, the free calcium concentration of samples from treatment was significantly (p<0.05) higher than that of control at 7 days of ageing. This result indicated that the lower shear force value and the longer sarcomere length of samples from treatment might be due to increasing the free calcium ion concentration in sarcoplasm during storage. On the other hands, samples from control showed significantly (p<0.05) higher number of microbial (TPC) compared to treatment during storage. from results obtained, submersion in chilled water of vacuum-packed beef could be recommended as a desirable aging method to improve tenderness of Hanwoo compared to aging in conventional refrigerator.
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