• Asia-Pacific Journal of Business Venturing and Entrepreneurship
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• v.8 no.1
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• pp.69-78
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• 2013

Settled lifestyle as important to health and healing to medical tourism and wellness tourism in the 21st century has emerged as the best promising service industry. Jeju Island has a variety of local resources, and the directions was considered to spa industry promotion application it. Jeju Island has a variety of local resources which can be used for spa industry promotion. Jeju Island's beautiful natural environment, mineral resources, water resources, biological resources, agricultural products, traditional folk remedies available in Jeju's spa treatments. Using the local resources of Jeju, 'Jeju specialized spa treatments' can develop of 12 kinds of spa treatments. Namely, thalssotherapy, stone therapy, black sand poultice, hot-floored therapy using volcanic soil, thalassotherapy, drinking therapy, hydrotherapy, herbal/medicinal plants poultice, forest therapy, Spa cuisine, facial beauty, diet therapy. 12 kinds of Jeju specialized spa treatments development and service to the local resources of basic research on the physical and chemical characteristics, product development, clinical trials, efficacy studies should precede. In addition, customized spa services programs should be developed considering the propensity of customers, customer needs, and a spa type. And standardized program of spa services and need a manual painter. Medical tourism and wellness tourism in conjunction with efforts to be considered in order to increase the competitiveness of the spa industry in Jeju.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.5
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• pp.2133-2141
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• 2011

The environment of the health food in the world has been changed very rapidly. The world market volume of functional drinks in 2012 will be estimated at $ 26.9 billion, and Asia-Pacific market is expected to be $ 13.6 billion. The domestic market volume of bottled water in 2008 was 440 billion won, and "Jeju Samdasu" sales was 89.1 billion won. But the brand of "Jeju Samdasu" has the limits. As a solution, the comprehensive advertising of the excellence quality of Jeju water is required. To increase the likelihood of success in development of functional and mixed drinks by the water is necessary to develop a global integrated brand. In developing the functional and mixed drinks by the water, we apply the functionality of the Jeju agricultural products actively, and connect Jeju Water industry with Jeju agricultural industry, which promote the overproduction control and the high value- added agricultural products.

• The Journal of the Korea Contents Association
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• v.20 no.5
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• pp.585-594
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• 2020

After the launch of Jeju Special Self-Governing Province in 2006, a number of real estate development projects were carried out; the real estate industry has relatively largely grown as compared with other regions since 2011. This growth has slowed down in 2017, along with the increase of unsold houses and the short of its incoming population, causing its real estate market recession. This study analyzed the source of real estate industry growth in Jeju: either affected by national growth power or its regional competitiveness. This study applied Shift-Share Analysis and Growth Differential Analysis, by dividing the recovery period ('06~'10) and expansion period ('11~'16). According to the result, sales amount and the number of employees in the real estate industry in Jeju had grown in the recovery period based on the national growth power. Its regional competitiveness and stable industrial structure grew in the growth period. Development and subdividing of real estate contributed to the growth of the real estate industry in Jeju. On the other hand, management of real estate weakened its market.

• International Area Studies Review
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• v.21 no.4
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• pp.195-222
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• 2017

This exploratory study analyses the factors, sources and effects of the regional competitive advantage of Jeju Island in Korea in global competition era. The competitive advantage of Jeju Province is analysed with the triple diamond model based on Porter's model for the competitive advantage of nations. The competitive advantage factors of Jeju Province are measured through the competitive advantage of the hospitality industry, which is one of the major industries of Jeju Island. These factors include outstanding natural landscape, domestic hospitality industry workforce, social overhead capital, massive domestic and international tourists, growth of related industries such as duty free shops and casinos, and coincidences such as Jeju Olle trail construction and Chinese government's international travel approval. Since these factors are based on local, domestic and international management resources, this study suggests that obtaining such resources is critical among Jeju hospitality industry in gaining the competitive advantage. Although the competitive advantage of Jeju hospitality industry is increasing, the organic connections with the regional economy are required for improvements on Jeju residents' quality of life. This study examines the factors and origins of competitive advantages on a regional level instead of a national level, and further investigates how the characters and origins of these factors affect the local economy. The results suggest that the triple diamond model is suitable for evaluating the regional competitive advantages.

• Journal of the Korean Society of Food Science and Nutrition
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• v.36 no.3
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• pp.255-259
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• 2007

The solvent extracts of Oenothera laciniata, which were extracted by using several solvents with different polarities, were prepared for utility as a natural preservative. The O. laciniata extract by 80% ethanol was sequentially fractionated with n-hexane, dichloromethane, ethylacetate, and butanol. The antibacterial activities and cell growth inhibition were investigated on each strain with the different concentrations of O. laciniata extracts. Antibacterial activities were shown in ethanol, ethylacetate, and butanol fraction of O. laciniata. However n-hexane, dichloromethane and water fraction showed weak antibacterial activity against the tested microorganisms. Among the five fractions, ethylacetate fraction showed the highest antibacterial activities against microorganisms tested, such as Bacillus cereus, Listeria monocytogenes, Staphylococcus aureus, Escherichia coli, Salmonella Enteritidis and Salmonella Typhimurium. The polyphenolic compounds widely occurring in the traditional medicine plants have been reported to possess high antibacterial activity. The polyphenolic compounds from ethanol, n-hexane, dichloromethane, ethylacetate, butanol, and water fraction were 63.96 mg/g, 8.49 mg/g, 28.11 mg/g, 172.64 mg/g, 114.56 mg/g, and 34.91 mg/g, respectively. There are some relationships between antibacterial activity and polyphenol content in natural plant. The ethylacetate fraction could be suitable for the development of a food preservative.

• Journal of Applied Biological Chemistry
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• v.50 no.3
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• pp.148-154
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• 2007

Volatile components of the essential oils of Satsuma mandarin (C. unshiu), Dangyuza (C. grandis), Yuza (C. junos), Byungkyul (C. playtymamma), Jinkyul (C. sunki), and Hakyul (C. natsudaidai) grown in Jeju Island were isolated from the fruit peels by hydro distillation and determined by GC-MS. GC-MS analysis identified 58 compounds, with main components being d-limonene $(64.01{\sim}79.34%),\;{\beta}-myrcene\;(3.01{\sim}26.53%),\;{\gamma}-terpinene\;(0.11{\sim}12.88%),\;{\beta}-pinene\;(0.78{\sim}4.74%),\;and\;{\alpha}-pinene\;(1.01{\sim}2.55%)$. Differences in compositions and contents of the essential oils were observed among citrus varieties. Effects of citrus oils on growth inhibitions of Escherchia coli, Staphyllococcus epidermidis, and Candida albicans were investigated using disc diffusion assay and minimal inhibitory concentration (MIC) assay. The essential oils inhibited growths of the test organisms, exhibiting higher levels of activity against Gram-positive S. epidermidis (MIC values $0.04{\sim}0.17mg/mL$), whereas Gram-negative E. coli was moderately resistant (MIC values $1.66{\sim}20.30mg/mL$). MIC of citrus essential oils ranged from $0.82{\sim}23.69mg/mL$ against C. albicans. The essential oils obtained from C. sunki, C. grandis, and C. playtymamma showed the highest antimicrobial activities against S. epidermidis and C. albicans, indicating their potential as natural antimicrobial agents.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.2
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• pp.838-844
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• 2014

This study was carried out to measure and analyze impact of Jeju field citrus industry by FTA between China and Korea. Previous research has some limitation to find impacts of Jeju citrus industry according to effectuation of Korea-China FTA. In this study, Supply-Demand equilibrium model and 4 scenarios is specified to find more detail impacts of Jeju field citrus industry. According to the results, the decrement of total revenue of Jeju field citrus industry after 15 years from effectuation of Korea-China FTA will be about 440.7 billion Won.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.59 no.1
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• pp.46-50
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• 2010

Power system outages can lead to huge economic losses for various industries. Jeju island power system outage in 2006 also caused significant social and economic impacts in Korea. There have been numerous attempts to evaluate the economic costs of power system outages. Power system outages can also have financial impacts on electric power industry. This paper attempts to analyze the economic impacts of the 2006 Jeju island power system outage on the values of the firms in the power industry using event study. Empirical analysis results are presented to show the economic impacts of the 2006 Jeju island outage on the values of the firms in the power industry.

• Proceedings of the Korean Society of Plant Biotechnology Conference
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• 2005.11a
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• pp.84-87
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• 2005

The citrus industry represents a major sector of agribusiness in Jeju successfully nurtured by the local governmental farm bureaus for the past three decades. However, in the face of increasing imports effected under the international free trade agreement, the continuous economic viability of the island’s citrus industry is no longer assured. Thus, it entails exploration and development of new agribusiness potentials that are supplemental and/or alternative to the citrus industry. In this presentation, I will discuss two projects of such potentials. (i) Under the tripartite collaboration among Kumho Life and Environmental Science Laboratory, Cheju National University and South Jeju County, genetically engineered turfgrass cultivars possessing both herbicide- and shade-tolerances (gene pyramiding) are currently at final phase of phenotype evaluations and environmental safety assessments. (ii) Fig fruits with longer shelf-life are being developed with support from Jeju HiTech Industrial Development Institute (HiDI) and at its initial phase of development.

• Proceedings of the Korea Information Processing Society Conference
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• 2019.10a
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• pp.473-474
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• 2019

Recently, data security and convenience are critical requirements to the interaction and collaboration of tourism service systems for the tourism industry. However, there are still many challenges for current tourism service systems to fulfill these requirements since they have inconsistent structures with different access control models and security policies. Blockchain has the potential to evolve the conventional tourism industry benefiting by its unique features such as data privacy and transparency. This paper mainly aims the interworking mechanism of heterogenous blockchain platforms for secure tourism service. We propose interworking scheme to connect multi-blockchain platforms for enhancing data integrity in the tourism industry. A proof of concept design and implement based on Hyperledger Fabric and Winding Tree.