Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.05.176
H. Shim, Sun-Hee Lee
This study was aimed to grasp online learning quality satisfaction in Dental Hygiene students. A survey was conducted targeting finally 228 dental hygiene students at a university in Gangwon Province from February 3, 2021 to February 17. As a result of analysis, the online class satisfaction by good instruction component was lower overall than importance. The learning environment satisfaction was lower than its importance. A difference between importance and satisfaction with online learning by detailed good instruction component showed a relatively big difference in systematic class, online learning environment, ability to convey the class contents. The need for online learning content was high in teaching material and VOD. The class operation type satisfaction was high in a non-real time class. Accordingly, a continuous effort is conceivably necessary for improving quality given the teaching-design establishment of online learning.
{"title":"A Survey Study on Online Learning Quality Satisfaction in Dental Hygiene Students","authors":"H. Shim, Sun-Hee Lee","doi":"10.22156/CS4SMB.2021.11.05.176","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.05.176","url":null,"abstract":"This study was aimed to grasp online learning quality satisfaction in Dental Hygiene students. A survey was conducted targeting finally 228 dental hygiene students at a university in Gangwon Province from February 3, 2021 to February 17. As a result of analysis, the online class satisfaction by good instruction component was lower overall than importance. The learning environment satisfaction was lower than its importance. A difference between importance and satisfaction with online learning by detailed good instruction component showed a relatively big difference in systematic class, online learning environment, ability to convey the class contents. The need for online learning content was high in teaching material and VOD. The class operation type satisfaction was high in a non-real time class. Accordingly, a continuous effort is conceivably necessary for improving quality given the teaching-design establishment of online learning.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"1 1","pages":"176-189"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89415222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.03.077
Jinyee Byun
This study aims to systematically review literature on organizational socialization in the field of nursing. The keywords of ‘organizational socialization’ and ‘nursing’ were combined with the AND operator, and the author analyzed the total of 26 journal articles published between 2010 and 2020. The number of journal articles on organizational socialization has increased since 2016, and all the articles took an descriptive study approach. It was found that the variables of resilience, role stress, perception of justice, bullying, professional self-concept, and organizational climate could affect organizational socialization, and the variables of intention to leave, intention on retention, resilience, and organizational commitment could be affected by organizational socialization. The result of this study can be used for guiding organizational socialization research in nursing.
{"title":"A Systematic Review of the Studies on Organizational Socialization","authors":"Jinyee Byun","doi":"10.22156/CS4SMB.2021.11.03.077","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.03.077","url":null,"abstract":"This study aims to systematically review literature on organizational socialization in the field of nursing. The keywords of ‘organizational socialization’ and ‘nursing’ were combined with the AND operator, and the author analyzed the total of 26 journal articles published between 2010 and 2020. The number of journal articles on organizational socialization has increased since 2016, and all the articles took an descriptive study approach. It was found that the variables of resilience, role stress, perception of justice, bullying, professional self-concept, and organizational climate could affect organizational socialization, and the variables of intention to leave, intention on retention, resilience, and organizational commitment could be affected by organizational socialization. The result of this study can be used for guiding organizational socialization research in nursing.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"55 1","pages":"77-86"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86529179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.07.223
Y. Seo, Kihyun Kwon
The study analyzes the relationship between job stress, organizational trust, and the job change intentions of beauty industry workers. Three-hundred sixty-nine workers in the beauty industry with longer than three months of working experience were chosen as this study. The study used to perform frequency analysis, exploratory factor and reliability, correlation, confirmation, and structural equation model verification. The following results are as follows. First, job stress had a positive influence. Second, stress related to fairness had a negative effect on organizational trust. Third, organizational trust had a negative effects. In conclusion, organizational trust and stress related to fairness are the important variables. Furthermore, this study suggests that each organization needs to make an effort to increase organizational trust and to relieve stress related to fairness in order to reduce the job change intentions.
{"title":"The Relationship between Job Stress, Organizational Trust, and the Job Change Intentions of Beauty Industry Workers: Verification of the Mediating Effect of Organizational Trust","authors":"Y. Seo, Kihyun Kwon","doi":"10.22156/CS4SMB.2021.11.07.223","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.07.223","url":null,"abstract":"The study analyzes the relationship between job stress, organizational trust, and the job change intentions of beauty industry workers. Three-hundred sixty-nine workers in the beauty industry with longer than three months of working experience were chosen as this study. The study used to perform frequency analysis, exploratory factor and reliability, correlation, confirmation, and structural equation model verification. The following results are as follows. First, job stress had a positive influence. Second, stress related to fairness had a negative effect on organizational trust. Third, organizational trust had a negative effects. In conclusion, organizational trust and stress related to fairness are the important variables. Furthermore, this study suggests that each organization needs to make an effort to increase organizational trust and to relieve stress related to fairness in order to reduce the job change intentions.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"139 1","pages":"223-231"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88111496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.37134/JCIT.VOL11.1.1.2021
W. Mehmood, R. M. Rashid, A. Tajuddin
The empirical evidence of high initial return from Initial Public Offerings (IPO) phenomena known as underpricing. From last three decades, it is an ongoing issue of every financial market throughout the world. We review underpricing research in developed, developing and emerging markets. In this regard, a thorough review of existing literature has been done. In result, higher underpricing of IPOs is found in emerging markets than developing and developed market because in emerging market issuer of IPOs takes underpricing as a signal of their quality IPOs, where information asymmetry is a significant element. Furthermore, based on the review, we managed to pinpoint significant factors that influenced the initial return. However, scale of underpricing among different countries varies depending on the factors, discussed in detail. Various theories and proposition have developed in these three markets to elucidate the phenomena of underpricing. We believe that there exist few factors that could be used as the primary determinants of IPO underpricing in future. These factors are country specific environment, micro and macro-economic factors, quality of legal framework based on listing regulations, and socio-political factors and marketing of IPO, which could provide a promising area of research.
{"title":"A Review of IPO Underpricing: Evidences from Developed, Developing and Emerging Markets","authors":"W. Mehmood, R. M. Rashid, A. Tajuddin","doi":"10.37134/JCIT.VOL11.1.1.2021","DOIUrl":"https://doi.org/10.37134/JCIT.VOL11.1.1.2021","url":null,"abstract":"The empirical evidence of high initial return from Initial Public Offerings (IPO) phenomena known as underpricing. From last three decades, it is an ongoing issue of every financial market throughout the world. We review underpricing research in developed, developing and emerging markets. In this regard, a thorough review of existing literature has been done. In result, higher underpricing of IPOs is found in emerging markets than developing and developed market because in emerging market issuer of IPOs takes underpricing as a signal of their quality IPOs, where information asymmetry is a significant element. Furthermore, based on the review, we managed to pinpoint significant factors that influenced the initial return. However, scale of underpricing among different countries varies depending on the factors, discussed in detail. Various theories and proposition have developed in these three markets to elucidate the phenomena of underpricing. We believe that there exist few factors that could be used as the primary determinants of IPO underpricing in future. These factors are country specific environment, micro and macro-economic factors, quality of legal framework based on listing regulations, and socio-political factors and marketing of IPO, which could provide a promising area of research.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"34 1","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88968512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.03.034
H. An, Jiyeon Lee
Pearson’s correlation Abstract The purpose of this study was to investigate the major selection motivation, academic stress, self-efficacy and college life adjustment and identify influencing factors of college life adjustment in the crisis situation of COVID-19. 243 nursing students were selected from 2 regions through convenience sampling. Data were analyzed through descriptive statistics, t-test, ANOVA, Scheffé test, Pearson’s correlation coefficients and multiple linear regression analysis using SPSS for Windows Ver. 22.0. The higher the major selection motivation and self-efficacy, the higher the college life adjustment. The lower the academic stress, the higher the college life adjustment. The factors influencing college life adjustment were self-efficacy, major selection motivation, monthly allowance, and the explanatory power of these variables for college life adjustment was 65.6%. Therefore, in order to improve the nursing students’ college life adjustment, it is necessary to develop and apply college life adjustment program to increase self-efficacy.
{"title":"Influencing Factors of Nursing Students' College Life Adjustment in COVID-19","authors":"H. An, Jiyeon Lee","doi":"10.22156/CS4SMB.2021.11.03.034","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.03.034","url":null,"abstract":"Pearson’s correlation Abstract The purpose of this study was to investigate the major selection motivation, academic stress, self-efficacy and college life adjustment and identify influencing factors of college life adjustment in the crisis situation of COVID-19. 243 nursing students were selected from 2 regions through convenience sampling. Data were analyzed through descriptive statistics, t-test, ANOVA, Scheffé test, Pearson’s correlation coefficients and multiple linear regression analysis using SPSS for Windows Ver. 22.0. The higher the major selection motivation and self-efficacy, the higher the college life adjustment. The lower the academic stress, the higher the college life adjustment. The factors influencing college life adjustment were self-efficacy, major selection motivation, monthly allowance, and the explanatory power of these variables for college life adjustment was 65.6%. Therefore, in order to improve the nursing students’ college life adjustment, it is necessary to develop and apply college life adjustment program to increase self-efficacy.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"24 1","pages":"34-45"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78663338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.05.168
Da-Yae Choi, Min-Hee Hong
This study was conducted to survey the learners' satisfaction with the online head and neck anatomy class and obtain basic data for the purpose of possibly making continuing online class educationally more effective. A Google Forms survey was conducted with dental hygiene students, and 120 copies of the questionnaire were used as data for the final analysis. The study surveyed when they take on online classes and the types of online classes and had the respondents subjectively evaluate their own understanding of the classes and their academic achievements through them. The biggest influence on learning immersion was academic achievement and the biggest influence on the satisfaction with online class was the students' understanding of the class. It is hoped that the research results will shed light on the directions for designing new curriculums in anatomy in this era of a pandemic.
{"title":"A Study on Online Class Satisfaction and Learning Commitment of Head and Neck Anatomy Students Due to Corona 19 -For students in the Department of Dental Hygiene-","authors":"Da-Yae Choi, Min-Hee Hong","doi":"10.22156/CS4SMB.2021.11.05.168","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.05.168","url":null,"abstract":"This study was conducted to survey the learners' satisfaction with the online head and neck anatomy class and obtain basic data for the purpose of possibly making continuing online class educationally more effective. A Google Forms survey was conducted with dental hygiene students, and 120 copies of the questionnaire were used as data for the final analysis. The study surveyed when they take on online classes and the types of online classes and had the respondents subjectively evaluate their own understanding of the classes and their academic achievements through them. The biggest influence on learning immersion was academic achievement and the biggest influence on the satisfaction with online class was the students' understanding of the class. It is hoped that the research results will shed light on the directions for designing new curriculums in anatomy in this era of a pandemic.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"25 1","pages":"168-175"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88424946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.02.194
Su-Bum Lee, Hong Seong Gyun
The aim of this study was proceed for 6weeks to determine the effect of middle-aged women's upper lips ms by SUKI programs. A total of 20 subjects were tested, and the SUKI arbitration programs of Pattern T1, Pattern T2, Pattern T3, Pattern T4 were adopted three times a week in six weeks. The results were as this. It showed a significant difference in the EG, although some of the intra-group comparisons of the upper lip ms. Therefore, SUKI programs have been shown to help improve the elasticity of the upper lip ms(p<.05). In this study, the SUKI program was used based on the fact that although limited, the elasticity of the upper lip ms, located in the facial part of a middle-aged woman, causes various wrinkles around her mouth, making them lose confidence in their appearance. This also suggests that normal facial ms can affect the appearance of the female middle-aged woman, and it was intended to suggest some ways to manage the appearance by proper management of facial muscle according to the life cycle of the female middle-aged woman. In conclusion, we hope that in the future, various experiments will be used as new research data on how to prevent women's facial skin beauty and wrinkles and help improve elasticity of facial muscles around the mouth.
{"title":"The Study on the Effect of the Middle-aged Women's Upper lips musculo-cutaneous by SUKI® program","authors":"Su-Bum Lee, Hong Seong Gyun","doi":"10.22156/CS4SMB.2021.11.02.194","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.02.194","url":null,"abstract":"The aim of this study was proceed for 6weeks to determine the effect of middle-aged women's upper lips ms by SUKI programs. A total of 20 subjects were tested, and the SUKI arbitration programs of Pattern T1, Pattern T2, Pattern T3, Pattern T4 were adopted three times a week in six weeks. The results were as this. It showed a significant difference in the EG, although some of the intra-group comparisons of the upper lip ms. Therefore, SUKI programs have been shown to help improve the elasticity of the upper lip ms(p<.05). In this study, the SUKI program was used based on the fact that although limited, the elasticity of the upper lip ms, located in the facial part of a middle-aged woman, causes various wrinkles around her mouth, making them lose confidence in their appearance. This also suggests that normal facial ms can affect the appearance of the female middle-aged woman, and it was intended to suggest some ways to manage the appearance by proper management of facial muscle according to the life cycle of the female middle-aged woman. In conclusion, we hope that in the future, various experiments will be used as new research data on how to prevent women's facial skin beauty and wrinkles and help improve elasticity of facial muscles around the mouth.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"193 1","pages":"194-200"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87705923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.06.243
Min-Gyu Kim, Benjamin Byeon, Do-soon Kwon
Social TV users and content are increasing day by day. The main purpose was to study the motivation for social television users, but I felt the need to analyze the potential psychological impact of users in various content. This study analyzed the impact on psychological well-being due to the interaction and viewing satisfaction by the object relations theory factors of social TV user in Korea. A survey was conducted on students of N university, ordinary university, and ordinary people who have experience using social TV to prove the observations or experiments of empirical facts in this study. Research result, First, Nonalienation have been have a positive effect on interaction and viewing satisfaction. Second, stable attachment have been have a positive effect on interaction. Third, social competence have been have a positive effect on interaction. Fourth, interaction have been have a positive effect on viewing satisfaction and psychological well-being. Fifth viewing satisfaction have been have a positive effect on Psychological well-being. Through this, This will contribute to the development of subdivided content and user-customized services for social television, and it is necessary to reconfigure and study various events that may occur between users in the future.
{"title":"Social TV User's Object Relations Theory Factors Effects of Interaction and Viewing Satisfaction on Psychological Well-being","authors":"Min-Gyu Kim, Benjamin Byeon, Do-soon Kwon","doi":"10.22156/CS4SMB.2021.11.06.243","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.06.243","url":null,"abstract":"Social TV users and content are increasing day by day. The main purpose was to study the motivation for social television users, but I felt the need to analyze the potential psychological impact of users in various content. This study analyzed the impact on psychological well-being due to the interaction and viewing satisfaction by the object relations theory factors of social TV user in Korea. A survey was conducted on students of N university, ordinary university, and ordinary people who have experience using social TV to prove the observations or experiments of empirical facts in this study. Research result, First, Nonalienation have been have a positive effect on interaction and viewing satisfaction. Second, stable attachment have been have a positive effect on interaction. Third, social competence have been have a positive effect on interaction. Fourth, interaction have been have a positive effect on viewing satisfaction and psychological well-being. Fifth viewing satisfaction have been have a positive effect on Psychological well-being. Through this, This will contribute to the development of subdivided content and user-customized services for social television, and it is necessary to reconfigure and study various events that may occur between users in the future.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"147 1","pages":"243-261"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91069298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.06.171
Su-Jin Jung
This study was conducted to investigate the effects of oral care behavior, oral health care self-efficacy, and social support on the subjective oral health level of the elderly. The data survey was conducted from September 17, 2019 to November 22, 2019 for the elderly living in Daejeon Metropolitan City and parts of Chungcheongnam-do, and the collected data were analyzed by χ2 -test, Pearson correlation analysis, and logistic regression analysis. As a result of the survey, subjective oral health level increased by 3.242 times when dentures were not used and 2.339 times when the number of brushings per day was 3 or more times. In addition, as the oral health care self-efficacy and social support increased 1.755 times and 1.192 times, respectively, the subjective oral health level also increased. Based on the above results, in order to improve the subjective oral health level of the elderly, opportunities for oral health education such as denture care methods and toothbrushing lessons should be expanded. In addition, there is a need to prepare policies to reinforce oral health care self-efficacy and social support.
{"title":"Factors Related to Subjective Oral Health Level of the Elderly","authors":"Su-Jin Jung","doi":"10.22156/CS4SMB.2021.11.06.171","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.06.171","url":null,"abstract":"This study was conducted to investigate the effects of oral care behavior, oral health care self-efficacy, and social support on the subjective oral health level of the elderly. The data survey was conducted from September 17, 2019 to November 22, 2019 for the elderly living in Daejeon Metropolitan City and parts of Chungcheongnam-do, and the collected data were analyzed by χ2 -test, Pearson correlation analysis, and logistic regression analysis. As a result of the survey, subjective oral health level increased by 3.242 times when dentures were not used and 2.339 times when the number of brushings per day was 3 or more times. In addition, as the oral health care self-efficacy and social support increased 1.755 times and 1.192 times, respectively, the subjective oral health level also increased. Based on the above results, in order to improve the subjective oral health level of the elderly, opportunities for oral health education such as denture care methods and toothbrushing lessons should be expanded. In addition, there is a need to prepare policies to reinforce oral health care self-efficacy and social support.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"25 1","pages":"171-180"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85955361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-01DOI: 10.22156/CS4SMB.2021.11.03.194
Kim Tae Hee, Yeeun Kwon, Park Sunmin, Kim Meong Ju, S. Ahn, Eunkyung Hong, Ho-Pil Ki, Choi Sun Eun
The reason why domestic fermented tea is less recognized than the world's top three black[Sri Lanka Uva black tea, India Darjeeling black tea, China Keemun(祁門) black tea] teas is that there is a very lack of scientific basis for clear quality standards and functionality. This researcher identified the major components of the world's top three black teas and fermented teas derived from domestic wild tea trees through analysis of various instruments such as HPLC, TOF-MS, and ELISA reader. In addition, in order to compare the physiological activity of the world's three major black teas and domestic fermented teas, the biological activity was compared and analyzed through DPPH ․ ABTS free radical scavenging activity and NO production inhibition. Furthermore, comparative analysis data on organic acid, free sugar, and tannic acid were obtained for quality comparison of palatable foods. When the above results are summarized, it is believed that it is possible to present the quality standards of Korean tea, and it is expected that the globalization of Korean tea will be possible.
{"title":"Biological activity, nutrients and caffeine analysis of fermented tea","authors":"Kim Tae Hee, Yeeun Kwon, Park Sunmin, Kim Meong Ju, S. Ahn, Eunkyung Hong, Ho-Pil Ki, Choi Sun Eun","doi":"10.22156/CS4SMB.2021.11.03.194","DOIUrl":"https://doi.org/10.22156/CS4SMB.2021.11.03.194","url":null,"abstract":"The reason why domestic fermented tea is less recognized than the world's top three black[Sri Lanka Uva black tea, India Darjeeling black tea, China Keemun(祁門) black tea] teas is that there is a very lack of scientific basis for clear quality standards and functionality. This researcher identified the major components of the world's top three black teas and fermented teas derived from domestic wild tea trees through analysis of various instruments such as HPLC, TOF-MS, and ELISA reader. In addition, in order to compare the physiological activity of the world's three major black teas and domestic fermented teas, the biological activity was compared and analyzed through DPPH ․ ABTS free radical scavenging activity and NO production inhibition. Furthermore, comparative analysis data on organic acid, free sugar, and tannic acid were obtained for quality comparison of palatable foods. When the above results are summarized, it is believed that it is possible to present the quality standards of Korean tea, and it is expected that the globalization of Korean tea will be possible.","PeriodicalId":15438,"journal":{"name":"Journal of Convergence Information Technology","volume":"73 1","pages":"194-204"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86007045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}