Some flowers have a high sensual appeal owing to their unique shape, color, smell, and taste and have been used as functional food and oriental medicine. Recently, edible dry flowers (EDFs) have attracted social attention as noble sources of functional teas. In this study, for the risk assessment of EDFs, pathogenic bacteria, heavy metals, and pesticide residues were monitored in 23 types of commercial EDF. No Enterobacteria spp. and Listeria spp. were found in all EDF products. However, common aerobic bacteria (3.24~3.85 Log CFU/g) were found in EDF, namely, Pueraria lobata, Chamaemelum nobile, Acacia decurrens, Rhododendron mucronulatum Turcz, Oenothera lamarckiana, Brassica napus, and Prunus serrulata. Staphylococcus aureus was found in 11 and Salmonella sp. was found in 8 of the 23 EDFs. Considering the cold extraction of EDF for tea and beverages, the regulation of pathogenic bacteria in EDFs is necessary. No heavy metals such as Pb, Cd, Co, Cr, Cu, Ni, and As were found in all EDFs, except the dry flower of Hemerocallis fulva, which contained Pb at 0.08 ppm. Different pesticides and fungicides were found in EDFs, but their concentrations were very low (0.01~0.08 ppm) and below the maximal residue level. Only the dry flower of Chrysanthemum morifolium had a high content of chlorpyrifos (0.215 ppm), which is long-lasting pesticide. Our results suggest that the establishment of EDF regulations for pesticide residue, culture separation between edible and garden flowers, and guidelines for preventing pathogenic microbial contamination are necessary.
Purpose: How to build the attitude on brand is very important, because it affects the positive word of mouth and revisit intention. Brand attachment, brand name, and image congruence play important role on consumer behavior in terms of reinforcing consumers' perception of food service companies and differentiating them from competing brands. Following the planned behavior theory, this paper examines the effect of linking brand attitude to word-of-mouth and revisit intentions in the restaurant sector. Research design, data, and methodology: This paper examines the structural relationship among brand attachment, brand name, image congruence, brand attitude, WOM, and revisit intention. In order to test the purposes of this study, research model and hypotheses were developed. The questionnaire items were modified and used according to the content of this study based on previous studies. All constructs were measured by multiple items tested and developed in the previous research. The study is based on the quantitative method and considered 519 questionnaires fulfilled by customers of restaurants. The data were explored employing the partial least square-structural equation modelling (PLS-SEM). Frequency analysis was conducted to identify the general characteristics of the survey subjects. To measure the reliability and validity of the measurement tools, confirmatory factor analysis was conducted. Structural model analysis was conducted to verify the research model. Result: The findings demonstrate that brand attachment and brand name had positive effects on attitude while image congruence did not have. Also, attitude had positive effect on WOM and revisit intention. Conclusions: This study expands the literature about WOM and revisit intentions. This study expands prior research in a similar field to which the theory of planned behavior (TPB) is applied, and reveals that brand attachment, brand name, and brand image congruence play an important role in developing brand attitude that affect revisit intention and WOM. And provide guidelines on how to enhance competitiveness in the restaurant sector based on understanding of linking brand attitude to customer loyalty and repeat business. By putting into practice these suggestions in the restaurant industry, brands can easily build up their attitude and boost a positive WOM and the intention to revisit.
Seo, Kyung-Hwa;Kim, Chang-Suk;Lee, Ju-Yeong;Han, Jung-Hee;Kim, Hyun-Soo;Han, Young-Jin;Jung, Young-Jin
Journal of Convergence for Information Technology
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v.12
no.3
/
pp.186-192
/
2022
This study investigated 110 contractual industries to identify the effects of curriculum development and educational environment improvement through Ulsan College LINC+ Program on job education and training. As a result of the study, core competency and job competency were 5.73 points each in field practice and educational environment, and job performance was significant with OJT 5.58 points and 5.74 points for educational environment(p<0.05). The relationship between suitability of the curriculum, educational environment, and recruitment performance was significant with 5.73 points for OJT, 5.74 points for field training during the education and training period, and 5.79 points for educational environment, and job reeducation/training expense was significant with 5.73 points for OJT and 5.79 points for educational environment(p<0.05). Also, students who completed the LINC+business curriculum shortened their job period by 1 to 6 months in 86.3% of the respondents, and responded that the education expense for new employees was reduced. Therefore, it was identified that the LINC+ Program of Ulsan College has the effect of shortening the job adaptation period and reducing education expenses for new employees by operating the curriculum reflecting the needs of the industry and improving the same educational environment as the industrial field.
The Journal of the Convergence on Culture Technology
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v.9
no.5
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pp.175-183
/
2023
This study examines differences in satisfaction, intention to revisit, and word-of-mouth recommendations among foreign tourists, based on their nationality and factors influencing their decision to visit Korea. The study utilizes the data collected from foreign tourists who visited Korea in 2021, including information on their country of origin, factors influencing their decision to visit, satisfaction levels, intention to revisit, and willingness to recommend Korea to others. While the survey data comprises a large sample of over 8,000 respondents, only 1,398 without missing values are used for analysis. According to the analysis results, there were significant differences in satisfaction, intention to revisit, and word-of-mouth recommendations among foreign tourists based on their nationality and factors influencing their decision to visit. Notably, leisure and sports activities and distance from their home country are significant factors in making a decision to visit Korea. Countries with relatively lower tourism decision mechanisms are Japan, Singapore, China, Taiwan, Malaysia, Canada, Mongolia, and India. Based on these analysis results, this study presents strategic improvement measures to revitalize Korean tourism industry, particularly after the pandemic.
Hye-Jin Yoon;Seung-Mook Choi;Jang-Won Hong;Hyun-Ju Lee;Gyung-Yeol Park
Journal of the Korean Society of Marine Environment & Safety
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v.29
no.7
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pp.750-759
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2023
The Korean government and industry practitioners have rapidly increased their interest in marine healing programs after the COVID-19 pandemic. However, research related to understanding the perceived usefulness, participant satisfaction, and benefits of marine healing experience from a consumer-oriented perspective is still lacking. This study used the post acceptance model to continuously examine the relationship between the perceived usefulness, expectancy confirmation, participant satisfaction, and intention to participate in a marine healing program. A survey was conducted by trained interviewers every weekend from September to October 2022 on the participants of marine healing programs in Busan city, and 203 samples were used for the analysis. The results showed that expectancy confirmation for the marine healing program positively affected satisfaction with the program and the perceived usefulness of the program. Moreover, satisfaction of the participants with the marine healing program positively affected their intention to continue participating. Additionally, the perceived usefulness of the healing program positively affected program satisfaction and continuous participation intention.
Asia-Pacific Journal of Business Venturing and Entrepreneurship
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v.18
no.2
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pp.113-126
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2023
In this study, a total of two hypotheses were established and tested to find out how entrepreneurship in manufacturing SMEs affects organizational effectiveness through technological innovation. The key results of this paper are as follows. First, it was confirmed that innovativeness, a component of entrepreneurship, did not affect organizational commitment, but it did affect job satisfaction. On the other hand, it was confirmed that proactiveness and risk-taking did not affect both job satisfaction and organizational commitment. Second, process innovation played a mediating role in the relationship between innovativeness and job satisfaction, proactiveness and job satisfaction, and proactiveness and organizational commitment. However, it was confirmed that product innovation did not play a mediating role at all in the relationship between the components of entrepreneurship and the components of organizational effectiveness. This study provided academic and practical implications by identifying the antecedent factors that affect the organizational effectiveness of manufacturing SMEs. From an academic point of view, previous studies did not differentiate by industry or mainly selected and studied sample subjects from industries such as IT, hotel, service, and tourism. However, this study investigated how entrepreneurship affects organizational effectiveness through technological innovation targeting manufacturing SMEs, and provides the research results. In addition, from a practical point of view, manufacturing SMEs need to make efforts to improve workers' proactiveness, innovativeness, and process innovation capabilities in order to improve workers' job satisfaction and organizational commitment.
Kim, Kyung-Bum;Jo, Bun-Sung;Park, Hye-Jin;Park, Ki-Tae;An, Bong-Jeun;Ahn, Dong-Hyun;Kim, Myung-Uk;Chae, Jung-Woo;Cho, Young-Je
Food Science and Preservation
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v.19
no.6
/
pp.909-918
/
2012
The phenolic compounds which were extracted with 70% ethanol from Ulmus pumila for 12 hr were the highest as $17.9{\pm}1.0\;mg/g$. DPPH scavenging activity of 70% ethanol extracts was also the highest as $89.5{\pm}1.9%$ and it was confirmed to be high as 80% over in both of water and 70% ethanol extracts containing $50{\mu}g/mL$ over phenolic concentration. ABTS radical cation decolorization activities of water and 70% ethanol extracts were higher as $96.8{\pm}2.9%$, antioxidant protection factor (PF) was 2.0 PF in 70% ethanol and showed higher activities in both of water and 70% ethanol extracts containing $200{\mu}g/mL$ phenolic concentration as 2.5 PF than BHA. TBARs of 70% ethanol extracts was $86.5{\pm}4.6%$, it showed high anti-oxidative activity in $50{\sim}200{\mu}g/mL$ phenolic concentrations of water and 70% ethanol extracts as 80% over. The angiotensin converting enzyme (ACE) inhibitory activity of Ulmus pumila extracts against hypertension was 77.4% and 90.6% in water and 70% ethanol extracts of $200{\mu}g/mL$ phenolic concentration. Xanthine oxidase inhibitory activity of Ulmus pumila extracts for anti-gout effect was not observed in water extracts, but it showed 30% inhibitory activity in 70% ethanol extracts, and 48.1% at $200{\mu}g/mL$ phenolics concentration.
This study attempted to empirically verify the possibility of K-content for Chinese people who have recently slowed down due to restriction of movement and political and diplomatic conflicts, although it is a very meaningful market for Korea's content industry and tourism industry. As a result of the study, each item of K-content experience, national image, tourism attitude, and visit intention was derived as one factor, and only the national image factor was derived as two factors: 'functional image' and 'cultural image'. As a result of examining the influence relationship between them established based on previous studies focusing on the derived factors, all five research hypotheses were adopted. K-content experience was found to have a significant influence on both factors of the national image. It was found that it had a greater influence on cultural image factors than functional image factors, cultural image factors were found to have a greater influence on tourism attitudes, K-content experiences had a significant effect on tourism attitudes, and tourism attitudes had a significant effect on visit intentions. Based on the results of this study, it was once again confirmed that the national image even comtually bees an important factor for linking to practical tourism behavior, and in this respect, "culture" is an important key factor that can lead to practical tourism and visits. Previous national images indicate that if the functional aspect of the country was more emphasized, it is now necessary to focus more on the importance of culture than on the functional aspect. As the K-content experience has a significant effect on tourism attitude, it can have a positive effect on the formation of a positive tourism attitude that can lead to actual tourism behavior, so various efforts will be needed to form an active tourism attitude using K-content in the future. As the content and target scope of K-content are expanded and diversified, specific strategies for each sub-market using cultural contents in various fields should be established and implemented.
The effects of drying methods on the browning and moisture sorption characteristics of Rubus coreanus were studied. Fruits were steamed for 5 min at $100^{\circ}C$, dried by sun drying, infrared drying, or freeze drying, and powdered to a size of 20 mesh. Color values were measured and equilibrium moisture contents (EMC) were determined at $20^{\circ}C$, over a range of water activity ($a_w$) from 0.11 to 0.90. The browning indices $L^*$ and $a^*$ values were higher and lower, respectively, in freeze-dried Rubus coreanus compared with other samples. The $b^*$ value was greatest in freeze-dried Rubus coreanus. EMC tended to increase with increasing $a_w$ values, and a particularly sharp increment was observed above 0.75 $a_w$. The EMC of freeze-dried Rubus coreanus was significantly higher compared with the EMC of sun-dried and infrared-dried fruit at constant aw. The moisture sorption isotherms showed a typical sigmoid shape, and the Halsey, Kuhn, and Oswin models were the best fits for the sun-dried, infrared-dried, and freeze-dried powder isotherms, respectively. With respect to monolayer moisture content, the Guggenheim-Anderson-Boer (GAB) equation showed that the various drying methods yielded very different results, with monolayer moisture contents of 0.005 g $H_2O/g$ dry solid in infrared-dried and 0.019 g $H_2O/g$ dry solid in sun- and freeze-dried powders, respectively. These results indicate that the drying method affects the browning and moisture sorption characteristics of Rubus coreanus.
The effect on serum lipid of green aster juice blended with ginseng and carrot extracts was investigated using rats injected with $CCl_4$. The rats were classified with four groups: (i) normal control (NC), (ii) rats fed with the blended juice (BA), (iii) rats treated with $CCl_4$ after having been on a normal diet for 4 weeks ($NC-CCl_4$), and (iv) rats treated with $CCl_4$ after having been fed the blended juice for 4 weeks ($BA-CCl_4$). All groups had similar feed intake. The weight gains and feed efficiency ratio were lower in the $NC-CCl_4$ group. The liver weight per body weight was much higher in the $NC-CCl_4$ group than the NC group, but did not differ between the $BA-CCl_4$ and BA groups. Triglycerides increased only for the $NC-CCl_4$ group (88.72 mg/dL); the other groups had similar levels (56.48-65.33 mg/dL). The BA group had the lowest total cholesterol level (74.08 mg/dL) the other groups had similar levels (96.78-108.83 mg/dL). HDL-cholesterol was lower in the $NC-CCl_4$ group (40.56 mg/dL) compared with the NC group (48.95 mg/dL), but there was no difference between the BA and $BA-CCl_4$ groups. The LDL-cholesterol level was higher in the $NC-CCl_4$ group (55.20 mg/dL the highest level) than the NC group (43.33 mg/dL), and higher in the $BA-CCl_4$ group (50.10 mg/dL) than the BA group (18.09 mg/dL). The lipid peroxide content was much higher in the $NC-CCl_4$ group (22.61 nmol/g) than the NC group (12.52 nmol/g), but the $BA-CCl_4$ (17.41 nmol/g) and BA (13.99 nmol/g) groups were similar. The glutathione content was much lower in the $NC-CCl_4$ group ($2.25\;{\mu}mol/g$) than the NC and BA groups, and decreased to $2.63\;{\mu}mol/g$ for the $BA-CCl_4$ group. The glutathione content of the $BA-CCl_4$ recovered to the level of that in the NC group.
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