• Korean Journal of Food Science and Technology
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• v.45 no.6
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• pp.763-769
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• 2013

Soybean oil was stored in polyethylene for 12 weeks at $20^{\circ}C$. The influence of LED (light emitting diode) irradiation on four different wavelengths and fluorescent light was investigated. The pattern changes of volatile components in soybean oil was analyzed by electronic nose based on mass spectrometer. The obtained data from electronic nose were analyzed by discrimination function analysis. Under fluorescent light, the discriminant function first score (DF1) was significantly moved from positive position to negative one after 4-12 weeks. It means that the volatile compounds related to quality of lipid. It was shown to increase slowly due to green light of LED treatment, while blue and white LED light was influenced significantly as well as fluorescent light irradiation. Selection of LED irradiation would provide to keep good quality of soybean oil under distribution chain system.

• Korean journal of food and cookery science
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• v.31 no.4
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• pp.510-514
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• 2015

Various parts of Kkujippong (Cudrania tricuspidata Bureau) tree (leaves, stems, roots, and fruit) were evaluated to determine their properties. The general components of Kkujippong tree were fat 1.3-5.9 g /100 g, protein 6.3-18.7 g /100 g, and ash 2.8-9.0 g /100 g. The fiber content of the stem was the highest amount at 69.2 g/100 g, followed by protein in the roots (49.9), leaves (45.5), and fruit (15.6). In addition, Kkujippong tree was found to contain high concentrations of several minerals (Ca, Fe, Mg, Na, P, Zn) in the leaves. The total polyphenol content was significantly higher in the leaves than in other areas at 571.3 mg% (p<0.05). Electron donating ability was also highest in the leaves at 83.55% (p<0.05).

• Proceedings of the Culinary Society of Korean Academy Conference
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• 2006.07a
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• pp.47-68
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• 2006

• Proceedings of the Culinary Society of Korean Academy Conference
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• 2005.10a
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• pp.45-59
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• 2005

• Culinary science and hospitality research
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• v.20 no.2
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• pp.183-198
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• 2014

This study aims to suggest useful information for tteokbokki franchise businesses to enter foreign markets by market testing and surveying preferences of foreign consumers with various kinds of tteokbokki. For this research, a survey was conducted from July 16 to August 20, 2012, targeting the people who live in Beijing, Tokyo, Singapore. The data was collected and analyzed using SPSS for Windows Version 18.0. The relationship between the general details of consumers and the results of the market test were analyzed using canonical correlation analysis. Research results and utilization plans are expected to use for improving the image of the country and ripple effects on exporting agricultural and fishery products, along with the effect of increasing spread of overseas personnel export and domestic Korean overseas supply of cultural content. Nurturing restaurant franchise business, creating jobs, and contributing to the increase in the income of the rural economy are also expected. Fermented tteokbokki franchise business should create new added value. The development of fermented tteokbokki will build a new culture of consumption, expand consumption, academic cooperation and joint technology development, and activate employment linked. Consequently, it is necessary to understand eating habits of local consumers from a variety of perspectives such as texture, taste, and colors of sauce when globalizing Korean food.

• Korean journal of food and cookery science
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• v.27 no.3
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• pp.95-104
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• 2011

This study was conducted to investigate the effect of red wine on the quality properties and sensory score of seasoned pork meat. Pork meat was treated with 25% water (control), 20% water and 5% red wine (RW5), 15% water and 10% red wine (RW10), or 10% water and 15% red wine (RW15). The moisture, crude protein, crude fat, $L^*$ value, springiness, cohesiveness, gumminess, chewiness, and VBN content were not significantly different among the samples. Cooking yield, moisture retention, and fat retention were significantly higher in the RW5, RW10, and RW15 (p < 0.05) compared to those in the control. The $a^*$ value of RW5 was the highest among the samples, and the $b^*$ value increased significantly in the control and RW5 (p < 0.05). The hardness of the control was the highest among all samples (p < 0.05). The pH was significantly lower in RW5, RW10 and RW15 (p < 0.05) compared to that in the control. The TBARS value and total bacteria were significantly lower in RW5, RW10, and RW15 (p < 0.05) compared to those in the control. Adding red wine altered the fatty acid and free amino acid of cooked seasoned pork. These results suggest the possibility that red wine could be used an additive to improve the quality of cooked seasoned pork.

• Korean journal of food and cookery science
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• v.25 no.5
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• pp.545-556
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• 2009

The purposes of this study were to understand the influence of perceived service quality in Korean food restaurants on customer satisfaction and behavioral intention and to empirically analyze whether trust plays a mediating role between both the relations of the perceived service quality and customer satisfaction and the perceived service quality and behavioral intention. Based on total 303 samples obtained from empirical research, this study reviewed the reliability and fitness of the research model and verified a total of 5 hypotheses using the Amos program. The hypothesized relationships in the model were tested simultaneously by using a structural equation model(SEM). The proposed model provided an adequate fit to the data, $X^2{_{(df131)}}$ = 536.566, p<.01, RMR .126, GFI .841, NFI .896, CFI .919, RMSEA .101. The SEM results showed that the perceived service quality(${\beta}$= .823, t = 9.392, p<.001) had a significant positive effect on trust had a significant positive effect on trust, and trust had a significant positive effect on customer satisfaction(${\beta}$ = .730, t = 14.202, p<.001) and behavioral intention(${\beta}$ = .239, t = 3.362, p<.001). Also, customer satisfaction had a significant positive effect on behavioral intention(${\beta}$ = .509, t = 6.978, p<.001). In addition, the effect of the perceived service quality in Korean food restaurants upon behavioral intention was found to be partially mediated by the trust.

• The Korean Journal of Food And Nutrition
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• v.33 no.3
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• pp.331-338
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• 2020

The purpose of this study was to examine the effect of noni (Morinda citrifolia) powder on the physicochemical properties and antioxidant activities of ground pork meat. Four samples of ground pork meat were prepared as follow: CON without noni powder, NP0.5 with 0.5% noni powder, NP1.0 with 1.0% noni powder, and NP1.5 with 1.5% noni powder. The moisture content of CON was the highest (p<0.05). The ash, fiber, fat retention, hardness, cohesiveness, gumminess, chewiness, lightness, and yellowness increased with the addition of the noni powder (p<0.05). The protein, fat, water holding capacity, cooking yield, moisture retention, springiness,and redness of the cooked meat were not significantly different among the samples. The pH of CON was the highest among the samples (p<0.05). The TBARS of CON, NP0.5, NP1.0, and NP1.5 were 0.48, 0.41, 0.36 and 0.34 mg/kg, respectively, and the NP1.5 was the lowest (p<0.05). The DPPH radical scavenging activity of CON, NP0.5, NP1.0, and NP1.5 were 10.4%, 20.8%, 34.6% and 45.3%, respectively, and the NP1.5 was the highest (p<0.05). Consequently, these results support the possible use of noni powder for meat product industry, as addition of noni powder enhances the antioxidant activities of ground pork meat.

• Preventive Nutrition and Food Science
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• v.10 no.1
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• pp.68-73
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• 2005

A significant number of cases of illness has been attributed to food consumption in restaurants, and as the number of meals eaten away from home continues to rise, the potential for large-scale, foodborne illness outbreaks will continue to increase. It is critical that hospitality and culinary arts students preparing for careers as professionals in foodservice establishments or restaurants have an appropriate understanding of food safety. The level of food safety knowledge was similar between hospitality and culinary arts students, and an analysis of 266 questionnaires indicated that specific areas, such as hand washing, cross contamination in refrigerator, reheating leftovers, refrigeration of cooked food within two hours, proper temperature of food storage, using of thermometers to monitor temperatures, proper egg handling, and possible food borne illness caused by fruits, should be the primary focus of educational resources. Student respondents showed a higher awareness level of responsibility in their roles for food safety, but more emphasis needs to be given to the correct understanding of food safety issues. Hospitality and culinary arts educators can use this precise information to develop food safety education materials and programs to assist in the prevention of foodborne illness and to knowledgeably educate their graduates about food safety.

• Culinary science and hospitality research
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• v.20 no.5
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• pp.59-66
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• 2014

The purpose of this study is to analyze the level of career development competency recognized by the specialists who major in food service currently. To achieve the purpose of this study, the five two-year-courses technical colleges in Kyeonggi-do, Daejeon, Daegu Metropolitan City which include food service department were selected. And total 280 samples of enrolled students were extracted and the 256 students were treated statistically besides the 24 students who responded dishonestly. The analysis results are as follows. First, the male students showed partially higher career development competencies than female students. Second, the second grade students showed partially higher career development competency than the first grade students. Third, the specialists whose family income is over 5 million won showed the highest career development competency, and the students in 3-5 million won and less than 3 million won followed them in order. Fourth, there were differences in competencies of lifelong learning, networking, collecting and utilizing the job information, and self-understanding, and career transition, and the specialists with more qualifications showed higher competency than those who with less qualifications. Therefore, it is necessary to develop a various career education program to enhance career development competencies of food service specialist by individual characteristic.