Jeju black cattle are known as one of Korea’s traditional cattle. However, Hanwoo is more well-known to Korean meat consumers as representative beef cattle. Despite the popularity of these two breeds, comparison of the nutritional characteristics between Jeju black cattle and Hanwoo have not been studied. Here, we compared the fatty acid and amino acid characteristics between two Korean traditional cattle and Wagyu breeds. A total of 62 cattle were used in this study. The Jeju black cattle beef had significantly higher unsaturated fatty acids than Hanwoo (p<0.05). Savory fatty acids, including oleic acid were also higher than in Hanwoo cattle (p<0.05). The negative flavor fatty acids, such as palmitic acid were significantly lower than in Hanwoo (p<0.001). On the other hand, linoleic acid which imparts a negative flavor was higher than Hanwoo (p<0.05). Amino acids, including alanine and glutamine, usually representative of the umami taste were present in significantly higher proportions in Jeju black cattle (p<0.05). In addition, bitter tasting amino acids, including valine, leucine, isoleucine, and methionine were lower in Jeju black cattle beef than in Hanwoo (p<0.05, p<0.001, p<0.001, and p<0.001 each). Taken together, our results suggest that Jeju black cattle beef had higher savory flavor and umami taste which affected consumers preference for the meat.

Simple Summary: Pork quality has become an important parameter in the industry. Traditional pork quality was assessed postmortem. It is considered that the determination of meat quality in live pigs is beneficial in order to obtain better pork quality and to reduce cost in production. In the present study, myosin heavy chain (MHC) isoforms in both of the pre-and postmortem longissimus thoracis muscle were evaluated as novel parameters for meat quality estimation in pork by correlation and clustering analysis. MHC isoforms in live pigs could be applied in a practical and useful method to predict meat quality in pork.Abstract: Estimating meat quality prior to slaughter will be beneficial for the rapid identification of specific traits or poor quality pork compared to a conventional assessment at postmortem. In this study, we identified and quantified myosin heavy chain (MHC) isoforms from a biopsied longissimus thoracis muscle of pigs, and determined their correlation with postmortem muscle fiber characteristics and meat quality. MHC slow and fast isoforms proportions from biopsied samples correlated with postmortem percentage of type I and type IIB muscle fibers, respectively (p < 0.05). The percentage of the biopsied MHC slow isoform showed a positive correlation with pH at 45 min postmortem, and negative correlations with filter-paper fluid uptake and drip loss in pork (p < 0.05). Furthermore, clustering the pigs into three groups based on the biopsied MHC isoform proportions was not only significantly associated with muscle fiber number and proportions of muscle fiber area, but also correlated with pH at 45 min postmortem and the National Pork Producers Council color score (p < 0.05). Collectively, our findings indicate that the biopsied MHC isoforms serve as parameter for estimating meat quality, with the association between the higher proportion of MHC slow isoforms and pH at 45 min postmortem in particular being indicative of better pork quality.

Purpose:The study was conducted in order to identify factors influencing depression and quality of life in elderly customized home visiting health services. Methods: A total of 442 people participated as the subjects of this study. Data were collected during the period from June to September in 2010 and the measurement tool used for this study was the customized home visiting health service recording sheet recommended by the Ministry of Health. Data were analyzed using t-test, one-way ANOVA, Pearson correlation coefficients, and stepwise multiple regression with SPSS/WIN 17.0. Results: Depression was correlated negatively with quality of life. According to the results of this research, factors influencing depression in elderly customized home visiting health services were quality of life, customized home visiting health service period, and IADL. Factors influencing quality of life in elderly customized home visiting health services were depression, joint exercise capacity, age, connection to volunteerism, IADL and ADL. Conclusion: The results of this study can be leveraged as complementary information for the effective management of customized home visiting health service subjects. Moreover, the results can be used as a reference for future studies.

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The researchers examined the relation of power and well-being in a sample of 881 men and women living in South Korea. Rogers' science of unitary human beings, Barrett's theory of power, and Gueldner's theoretical perspective of well-being served as the theoretical rationale. The hypothesis was supported by a significant positive correlation between power and well-being (r = .52, p < .001). Reliabilities by Cronbach's alpha were .96 for the Power as Knowing Participation in Change Tool and .84 for the Well-Being Picture Scale. Well-being can be facilitated by enhancing person's power as knowing participation in change.