• The Korean Journal of Food And Nutrition
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• v.33 no.1
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• pp.9-16
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• 2020

Cabbage is a biennial plant that is native to the shores of the Mediterranean. It contains dietary fiber, minerals, vitamin A, vitamin C, and anticarcinogenic phytochemicals. For the test, cabbage powder was added (5%, 10%, 20%, and 30%) to flour. The addition of cabbage powder significantly increased the specific gravity and viscosity of the batter and pH of both the batter and chiffon cake. The moisture in the chiffon cake increased due to the addition of cabbage powder. Also, the lightness of the cake significantly increased, whereas the redness and yellowness decreased as the amount of cabbage powder increased. The lightness and redness of crumbs from C0 were higher than other samples as each 59.48, -3.17, respectively. Except for the resilience, the hardness, gumminess, fracturability, and adhesiveness showed similar values in the C0, C5, and C10. In terms of consumer perception, the color, softness, flavor and overall consumer preference for the control chiffon cake were higher than C5, C10, C20, and C30. Nonetheless, for those that contain cabbage powder, C5 and C10 had relatively higher consumer preferences than C20 and C30. As a result, the optimum amount of cabbage powder for the chiffon cake would be from 5~10%.

• The Korean Journal of Food And Nutrition
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• v.25 no.2
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• pp.224-232
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• 2012

This study was conducted to investigate the effect of chestnut inner shell powder on antioxidant activity and the quality characteristics of cookies. Cookies were prepared with different amounts of chestnut inner shell powder(in ratios of 0, 0.5, 1, 3 and 5% to the flour quantity). The antioxidant activity was estimated by DPPH free radical scavenging activity and the total phenol content in chestnut inner shell powder and cookies. For analyzing quality characteristics, bulk density and pH of the dough, spread factor, loss rate, leavening rate, color, texture profile analysis, and sensory evaluations were measured. The spread ratio, a values, total phenol contents and DPPH free radical scavenging activity of cookies significantly increased with increasing chestnut inner shell powder(p<0.001), while the pH of the dough, L values and b values of the cookies significantly decreased with increasing chestnut inner shell powder content(p<0.001). The consumer acceptability score for the 3% chestnut inner shell cookie groups ranked significantly higher(p<0.01) than those of the other groups in overall preference, flavor, taste and color. From these results, we suggest that chestnut inner shell is a good ingredient for increasing the consumer acceptability and the functionality of cookies.

• Journal of the Korean Society of Food Culture
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• v.33 no.2
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• pp.142-148
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• 2018

In this study, Seolgi Tteok was made in order to increase consumption of Geuk, which possesses numerous nutritional advantages, and its optimum content as a new food coloring for rice cake was determined. Quality characteristics and quantitative description analysis (QDA) of Seolgi Tteok, in which Geuk was added at 0, 4, 8, and 12%, was conducted. Consumer acceptability test was also conducted. As the amount of added Geuk increased, moisture content of Seolgi Tteok increased as well. Brightness (L-value) was the highest in the control group, and more Geuk resulted in higher values of red index (a-value) and yellow index (b-value), which corresponded to the results of the sensory evaluation. As result of the mechanical texture measurement, only adhesiveness and resilience show a significant difference. As a result of the QDA, 17 sensory characteristic terms were assessed. Among them, only 13 showed a significant difference. Among the different sensory characteristics, almost all of them except for taste characteristics were significantly influenced by the amount of Geuk. The aroma and taste of Geuk were not largely influenced. It can be suggested that Geuk is not a factor that strongly influences flavor. In conclusion, Geuk does not have a strong influence on the taste or aroma of Seolgi Tteok but does on color characteristics. It can be suggested that Geuk is qualified as a coloring material for food, and the reasonable addition amount is 8%. As a result of this research, Geuk can be considered as a coloring material for other types of rice cake, traditional Korean sweets, and even confectioneries as well as for Seolgi Tteok. This implies that Geuk can be utilized to develop various new products as a coloring material with abundant nutritional content, which will contribute to the promotion of Geuk consumption.

• Korean Journal of Food Science and Technology
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• v.47 no.6
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• pp.704-710
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• 2015

The objective of this work was to examine the effect of rice flour sourdough fermented with omija (Schizandra chinensis) extract on the quality characteristics of bread. Five rice sourdough concentrations (0, 15, 30, 45, and 60%) were used in order to ascertain the best bread composition. Bread qualities were determined by means of physicochemical analysis and consumer acceptability test. The results showed that the dough prepared with 15% rice flour sourdough fermented with omija extract had a positive impact on the bread quality such as volume, hardness, springiness, and consumer acceptability. This study suggests that the rice flour sourdough fermented with omija extract could be added up to 15% without quality changes for making bread.

• Journal of the Korean Society of Food Culture
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• v.11 no.3
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• pp.409-420
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• 1996

Consumer's perceptions of the qualities of food and food-related services were surveyed through questionnaires by 672 adults randomly selected from 20 industrial foodservice in Pusan and Kyeung Nam area. The results are as follows: 1) By age, the elderly group gaved the highest mean score not only for freshness and temperature among the food characteristics but also for cleanliness of dishes and materials of dishes among the food-related service. 2) By occupation, the white collar worker group gaved the highest mean score in all characteristics of food and food-related service than did the blue collar worker group. Especially for courtesy of employees, the mean rating given by the white collar worker group was 3.15/5.00, but by the blue collar worker group was 2.67/5.00. 3) Good appetitive group rated taste of food 3.15/5.00, quality of food vs. food price 3.17/5.00, and freshness 3.15/5.00. But poor appetitive group rated taste of food 2.44/5.00, quality of food vs. food price 2.65/5.00, and freshness 2.70/5.00. 4) Men agreed that the rice and soup were right in amount. And women responded that the rice was in a large amount and the soup was not enough. 5) The white collar worker group agreed that the rice, the soup, the side dish, and the kimchi were right in amount. However the blue collar worker group agreed that the rice was right in amount, the soup and the side dish were not enough, and the kimchi was in a large amount. For seasoning of food, the white collar worker group responded that the salty taste and the hotness were just right. But the blue collar worker group responded that the food was neither salty nor hot at all. 6) The taste of food was shown to be positively correlated (p<0.001) with various food item combinations, freshness of food, and the variety of cooking methods.

• Culinary science and hospitality research
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• v.13 no.1 s.32
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• pp.224-234
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• 2007

Consumers' awareness has been changing through the development of information industry and change of life style. To understand the new generation came to be our concern in terms of being able to predict the trend of the future. Companies are trying to go through the market-change by making a marketing strategy that matches their emotion and characteristics. There should be a research on the new generation, specially university students, according to sex. Therefore, this research covers the university students in early twenties to see the differences between sexes. Foodservice industry needs to have consideration on coupon-books. It is reconfirmed that advertisement by word of mouth is still effective in sales promotion.

• The Korean Journal of Food And Nutrition
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• v.33 no.1
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• pp.49-57
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• 2020

The aim of this study was to investigate the antioxidant activities and quality characteristics of jelly added with 0%, 8%, 16%, 24%, and 32% rhubarb stem juice (RSJ). The moisture content and water activity of jelly samples increased significantly with increasing content of RSJ. The pH was highest in control samples; and the more the amount of RSJ added, the lower. Hunter color value of the jelly showed that L was highest in control samples, but it was not significant in RSJ-added samples. The A value was increased significantly with the addition of RSJ. Hardness, gumminess, and chewiness was highest in samples with 0~8% RSJ, and it decreased by increasing RSJ addition. DPPH radical scavenging activity results showed 60% activity in samples with 32% RSJ. ABTS radical scavenging activity was lowest in control samples and samples with 8~32% RSJ showed 70~80% activity, but it was not significant in samples with 8~32% RSJ. The total polyphenol was increased respectively with increasing levels of RSJ. In terms of consumer acceptance, overall acceptability did not show any significant difference among samples, and the color showed the highest value in samples with 32% RSJ and the lowest value in samples with 8% RSJ.

• The Korean Journal of Food And Nutrition
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• v.21 no.1
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• pp.87-96
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• 2008

This study was conducted to investigate the purchase patterns of processed foods and perception of school dietitians on nutrition labelling in Chonbuk area of Korea. Self-administered questionnaires were collected from a total 156 dietitians. Statistical data analysis was completed using the SPSS v. 11.5 program. The results were summarized as follows. Among the 156 school foodservice systems, 64.7% of schools were operated in conventional system and 35.3% were in commissary system. Among the processed foods, seasoning foods(98.4%) and cereal products(93.3%) were used widely in school foodservice. Among the general characteristics of schools and dietitians, the style(p<0.01), and type of foodservice(p<0.05), career, and age of dietitians respectively affected the purchasing pattern of the processed foods. Approximately 30% of dietitians responded that some fortified foods used for the meal preparation(eg. Ca-fortified yoghurt). Only 57% of dietitians who has more ten year job career was agreed with the important of fortified foods for the menu planning. Despite the levels of education of the dietitians became higher, were no relationship between the confidence on fortified foods and the improvement on health for children. About 96.2% of dietitians knew nutrition labelling of processed foods. Only 25.6% of dietitians checked nutrition labelling of processed food when they purchased these foods for school lunch. The main reason for their checking nutrition labelling of processed foods was for nutrient of products. The dietitians understanding and trust in nutrition labelling of processed foods were not high. But the half of dietitians responded that the nutrition labelling can be helpful for the purchase of processed foods in school foodservice systems. Therefore, it is necessary to activate the mandatory nutrition labelling of processed foods and to prepare its consumer education program for school dietitians.

• The Korean Journal of Community Living Science
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• v.23 no.3
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• pp.329-338
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• 2012

The purpose of this study was to explore consumers' perceptions and satisfaction of Makgeolli in Daejeon. The study examined the perceptions of consumers of a number of Makgeolli characteristics. A total of 199 respondents provided information regarding their perceptions of Makgeolli. Exploratory factor analysis showed that six factors of consumers' perceptions toward Makgeolli were: delight, harmony with food, atmosphere, health /tradition-related, self-fulfillment, and emotion. Examining the effect of each factor on Makgeolli satisfaction showed that delight had a negative relationship with satisfaction while harmony with food and health/tradition-related showed positive relationships. Atmosphere, self-fulfillment, and emotion did not impact satisfaction. Comparisons of the eleven attributes using t-test between Makgeolli and alcoholic beverages showed significant differences in six attributes: creating a special dining ambience(p<0.001), socializing(p<0.001), enhancing the taste of food(p<0.001), satisfying thirst(p<0.01), esthetic(p<0.01), and stylish(p<0.001). Most of the places where Makgeolli was consumed were traditional bars(53.4%) and Korean restaurants(29.1%). In order to make Makeolli as a global beverage further studies regarding Makgeolli purchasing motivation, satisfaction, consumer characteristics should be studied.

• The Journal of the Korea Contents Association
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• v.20 no.7
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• pp.576-584
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• 2020

The effect of conducted using Q research method, which is one of qualitative analysis methods that can approach in-depth and essential meaning of Spanish restaurant's perception of dining out consumers. The purpose of this study is to classify Spanish restaurant's perceptions of catering consumers by type, to find out the characteristics among them, and to suggest future improvement directions. An exploratory study was conducted using Q-methodology to analyze the subjective perceptions of restaurant customers in Spanish restaurants. To this end, the Q-sort, which consists of a statement card, a P-sample, and a classification process, was analyzed through Q factor analysis using the PC QUANL program. The results were classified into two types. Type 1 (N=10): Spanish restaurant preference, Type 2 (N=7): The name of the factor was set as the type of professionalism in Spanish restaurants. Each type was found to have different characteristics. Each subjective perception detected through this analysis can be used as basic data for various studies.