• Journal of the Korean Society of Food Culture
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• v.36 no.2
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• pp.198-209
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• 2021

This study examined the dietary habits and nutrition quotient (NQ) scores according to leftover food during school meal services among middle school students in the Gyeonggi region. A survey on the dietary habits was conducted among 405 male and female middle school students located in Seongnam City, Gyeonggi Province. The amount of leftover food in the school meals was surveyed using the visual method through a questionnaire over two days. The survey was conducted from July 8, 2019, to July 12, 2019. After calculating the average total leftovers of each student over the two days, they were categorized into the following three groups: the top third was the large leftover group. The middle third was the medium leftover group, and the lower third was the small leftover group. The characteristics of the groups that had leftovers were analyzed. Female, normal-weight, and underweight students accounted for a greater proportion of the large leftover group than male, overweight, and obese students. The rates of selective eating and compliance with new food intake were significantly lower in the large leftover group than in the small leftover group. A comparison of the nutrition quotient for the adolescent (NQ-A) scores of each group revealed significantly lower scores of the large leftover group for all factors (balance, moderation, food diversity, practice, and environment) than the small leftover group. Therefore, there are statistically significant differences in the dietary habits, nutritional quality, and eating behaviors of middle school students that are associated with the amount of leftover food during school meals.

• Journal of the Korean Society of Food Culture
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• v.30 no.3
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• pp.345-361
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• 2015

The aim of this study was to investigate the awareness and attitudes for leftover foods and the relationship between gender/number of family members on the effect of leftover foods-free day in elementary school students. The reasons for school lunch leftover foods were 'too much amount (38.3%)' and 'disliked menu (33.6%)', and the preferred ways for reduction of leftover food was 'to cook deliciously (34%)'. In the case of students who received nutrition education for reduction of leftover lunch, approximately 33.8% of subjects received nutrition education by administered by nutrition teachers during lunch time. The reason for reducing the amount of leftover foods was 'not to waste the foods (35.5%)'. After a leftover food-free day, approximately 62.3% of subjects responded that they ate their whole meal, except for soup. The subjects wanted 'twice per week for leftover food-free day' and had positive attitudes for that program. Proportion of practicing reduction of leftover foods in families was 55.9% of subjects, and 40.5% of subjects preferred dietary education by nutrition teachers in the classroom. For effective reduction of leftover lunch in school, nutrition teachers should attract interest on the environment and foods through after-school activities.

• Journal of the Korean Dietetic Association
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• v.5 no.2
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• pp.117-127
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• 1999

This study was carried out to provide the improvable way of foodservice management to dietitian in the elementary schools. For this purpose the serving pattern of food, menu planning, nutrition education, leftover management and difficulties in foodservice were investigated. The survey was conducted through questionnaires, which were collected from 249 dietitions randomly selected in Taejon and Chung Nam. Data were analyzed by SAS program. The main results of this study are as follows. The children in Taejon took foods in the class room(65.7%) and those in Chung Nam in the dinning hall(89.9%)(p<0.01). In menu planning the balance of nutrition(42.6%) was mainly considered and then food preference(19.7%), variety of menus(16.1%), food cost(16.1%), composition of food color, taste and texture(3.2%), skills of food making(1.6%) and the number of students(0.8%). They referred cooking magazines(47.7%), the previous menu(42.2%), children's opinion(7.2%) for planning menu. The insufficiency of implements and devices for food(24.1%) and lack of season's food(20.4%) were indicated as difficulties in their job. 34.5% of dietitians used a standard menu, 79.5% investigated food preference of children, 74.3% evaluated taste of foods before serving, and 80.7% regularly checked leftover. The major reason for leftover was careless of the teacher in charge in Taejon and bad taste of foods nutrition in Chung Nam(p<0.001). 98.5% of them answered that they had the responsibility for nutrition education in elementary school. They had a hard time in relationship with the staffs in school(40.6%) and employees for food(39.8%), and lack of market information(38.2%). To efficiency of dietitian's work can be enhanced by reflecting the results of children's food preference and leftover, by using standard cooking method and proper cooking utensil, and by performing nutrition education for children by themselves.

• Journal of the Korean Society of Food Science and Nutrition
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• v.38 no.12
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• pp.1785-1793
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• 2009

Meal service menu for the elderly on busy farming season in Hongchun, Gangwon was developed and applied using seasonal foods from local crops. Acceptance of each menu right after the meal service was investigated while unit cost and leftover of each menu were also monitored. Acceptance of the staple food in Menu 4 showed the highest value with a score of 8.97.and side dishes of Menu 4 were greatly prdferred with a score of 8.69(p<0.05). General preference on menu was the highest at Menu 4 scoring 8.87(p<0.05). The amount of leftover for a special meal of Menu 3 was 75.80 g, which was the highest (p<0.05). Males left the least of Menu 4(30.82 g) whereas females did of Menu 2 (10.63 g, p<0.05). The foeld application of preference and satisfaction, and the small amount of leftover of the supplied meals.

• Journal of the Korean Society of Food Culture
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• v.24 no.6
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• pp.721-727
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• 2009

In this study, the current status of the business foodservice industry, evaluation of leftover food and customer satisfaction with foodservice at direct operation and consignment foodservice businesses in Chungbuk were examined. This study has managerial implications in terms of improving the quality and effectiveness of the business operation of the foodservice industry. The sample size of this study included 800 customers who use foodservices provided by 11 selected businesses including 6 direct operation and 5 consignment foodservice businesses. From these 800 customers, a total of 692 were used (direct operation foodservice (n=361) and consignment foodservice (n=331) businesses). The results were as follows; First, as for the main reasons for using the employee restaurants in types of direct operation and consignment foodservice business, 'the close location' had the high percentage. Approximately 41% of respondents were not satisfied with the foodservice in the employee restaurants. Second, leftover food from consignment foodservices was higher than that for direct operation foodservices. Third, there were significant differences in customer satisfaction with five areas of foodservice between the two types of food service businesses: food, sanitation, feeding environment, mealing process and information and service. Customer satisfaction in the direct operation foodservice was higher than that of the consignment foodservice. In terms of the satisfaction level of foodservices, mealing process was the highest, followed by sanitation, food, and information and service in the direct operation and consignment foodservice businesses. Overall, satisfaction with the business foodservice was affected by the customers' satisfaction in five areas of foodservices (e.g., food, sanitation, feeding environment, mealing process, information and service). Especially, 'food' and 'information and service' were important areas for determining overall customer satisfaction with foodservice. In addition, the overall satisfaction was negatively correlated with the quantity of leftover food in the direct operation and consignment foodservice business.

• The Korean Journal of Food And Nutrition
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• v.28 no.1
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• pp.94-103
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• 2015

The purposes of this study was to identify the level of satisfaction with the food quality in a company cafeteria located in Daejon. 400 people were given questionnaires, of which 341 questionnaires were returned for analysis (90.25% response rate). Our results show, 85.63% of customers eat at the cafeteria more than 3~4 times per week. 48.68% of people surveyed chose their meal based on the proximity when they enter the cafeteria. 39.59% said the most important factor for eating at the cafeteria was taste. 33.72% said it was quality. The type of food that was leftover the most was 'Guk' (soup). 52.20% said 'Guk' was leftover due to the awful taste. Food quality (34.60%) and taste (34.02%) required the most improvement according to those surveyed. Additionally, we divided food quality into 3 factors: 'sanitation & service', 'food', and 'menu composition'. People who marked down 'no other place to eat' was the reason they ate at the cafeteria also had the lowest satisfaction scores across all items (p<0.001). Improving the 'Guk' and 'meat' was rated as the most important criteria to improve satisfaction with leftover food. Unsurprisingly, the 'taste' of leftover food had the lowest satisfaction scores. Those who had the lowest quality satisfaction scores also wanted to improve 'taste', 'quality' and 'sanitation' the most (p<0.001). Based on these findings, the foodservice manager can increase the overall satisfaction with the cafeteria food by focusing on improving the taste, quality and sanitation of the food that it serves.

• The Korean Journal of Community Living Science
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• v.23 no.3
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• pp.265-276
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• 2012

This study was targeted at 91 students living in a boys' high school dormitory and centered on the how the consumption of fish and vegetables changed after students were educated according to nutrition education and cooking methods. First of all, the primary investigation of the leftover amount in the beginning of the semester was conducted five times for five days from March 21st to 25th, 2011. The secondary investigation was conducted with the same diet for five days as well from December 1st to 7th. Then the tertiary investigation was performed eight times from December 12th to 30th, after cooking method changes. There was a difference of the total leftover food amount between the first grade and the second grade during the beginning of the semester, but after the nutrition education there was no difference of the leftover food amount. In particular, leavings of vegetables and fish both significantly decreased in the first grade, after the nutrition education to encourage students to eat fish and vegetables. However, there was no difference in the leftover food amount of the second-grade students who received the education before, between the beginning and the end of the semester. When cooking fish the way students preferred, they had fried fish fillets the most, followed by roasted fish fillets, roasted bone-in fish, and braised fish. There were significant differences. Regarding vegetable, students ate salad the most, followed by Geotjeori and blanch, and there were significant differences.

• Journal of the Korean Society of Food Science and Nutrition
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• v.40 no.1
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• pp.137-147
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• 2011

This study investigated the perception and attitude to leftover food at school food service by the questionnaire survey of the elementary school students in Gwangju area. The school food service satisfaction was neutral and school food service cost and quality was satisfactory. The dissatisfaction of school food service was shown as unkind staffs and a shortage for fruit and beverage. The kinds of leftover food were seasoned vegetables and kimchi. The reasons for leftover food were unfavorite food and the frequency was shown as once or twice a week. For the order of eating food, the subject first ate food they had tried. The highest kind of an unbalanced diet was beans and minor grains. To reduce food waste, many students perceived that tasty food, education by a class teacher in class that it could pollute environment and do us damage, recycling as livestock feed, 'No Plate Waste Day' organized by school would be a feasible method to reduce food waste. The nutrient intake of eaten food was significantly higher for all nutrients in the group receiving food waste education than the control group (p<0.001).

• Korean Journal of Community Nutrition
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• v.5 no.1
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• pp.92-99
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• 2000

A large amount of food waste in known to bring about many problems including environmental pollution. This study was carried out to investigate effective methods for reducing leftovers in the food service business & industry. The reasons for producing leftovers in food service restaurants, customers perferences of foods, cooking methods the degree of saltiness, and serving size were surveyed using questionnaire and the menu was improved based on the customers perferences. Excessively large serving sizes and the unfavorable cooking methods is food service were the main reason for the leftovers of side dish and one=dish foods. Because the largest amount of leftover came from soups & stews, an effective way of reducing leftovers in food service would be to reduce the serving size of soups & stews. Total leftovers was reduced to about 60% after improving menu (p<0.01) and the each leftover or rice, soup&stew, and side dishes was also reduced significantly after improving the menu(p<0.001) The environmental campaign to reduced food waste by bulletin intra-net using personal computers slogans& posters, and new letters was conducted for one week each and then leftovers were measured 9 times for following three weeks regularly. The total amount of leftovers decreased slightly due to the environmental campaign, but the difference was not significant . When we adopted penalty or prize system leftovers were decreased by about 35%(p<0.001) and the penalty system was more effective than the prize system in reducing leftover (p<0.001) When we compared the leftovers under the three services, a tray service was more effective in reducing leftover than complete self-service of partial self-service(p<0.001).

• Journal of the Korea Organic Resources Recycling Association
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• v.11 no.1
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• pp.90-90
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• 2003

본 시험에서는 무첨가구인 대조구와 대조구에 남은 음식물을 수준별로 첨가하고 단백질의 수준을 높여준 leftover food 10%와 leftover food 20% 및 leftover food 30%의 4처리구와 각 처리구에 녹차 부산물을 1%씩 첨가한 4처리로 총 8처리 5반복으로 반복 당 6수씩 총 240수를 임의 배치하여 사양 시험을 실시하고, 증체량 과 사료섭취량 및 사료효율, 폐사율과 체조성 및 혈중 콜레스테롤 및 도체 콜레스테등을 측정한 결과는 다음과 같다. 1. 사육후기의 증체량은 대조구가 1,364g으로 가장 높은 증체를 보였으며 (P<0.05), 남은 음식물 10%, 20% 및 30% 그리고 이 4처리구에 녹차 부산물을 첨가한 처리구에서는 모두 대조구 보다 낮은 증체를 보였다. 개시체중과 사료 섭취량에서는 통계적 유의차를 보이지 않았다 (P>0.05). 2. 폐사는 남은 음식물 10% + GTB 1%첨가구 에서만 나타났다. 남은 음식물 첨가가 육계의 폐사에는 영향을 미치지 않는 것으로 사료된다. 3. 조섬유 (16.70)와 조단백질 (20.09)의 함량은 유사한 결과를 보였으나 조지방 (10.55)함량은 다소 낮게 나타났다. 4. 혈중 cholesterol 함량은 남은 음식물 20% + GTB 1%와 남은 음식물 30% + GTB 1%에서 각각 146.96mg/100ml와 172.03mg/100ml로 높은 수치를 보였으며 통계적 유의차를 보였다 (P<0.05). 5. 도체 cholesterol은 대조구에서 98.57mg/100g으로 가장 높은 수치를 보였으며 남은 음식물 30% + GTB 1%가 72.10mg/100g으로 낮게 나타났으며 통계적 유의차를 보였다 (P<0.05).