• Title/Summary/Keyword: Food studies

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Studies on standardization and characterization of recombinant interferon alia

  • Kim, Gi-Hyun;Shin , Won;Jung , Ja-Young;Park, Young-Ju;Joung , Jee-Won;Oh, Il-Ung;Jin, Jae-Ho;Kim, Seo-Mi;Jung , Sang-Mi
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.329.2-330
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    • 2002
  • This study was intended to establish test methods equivalent to those of "Interferon alfa-2 concentrated solution" monograph in European Pharmacophoeia(EP). Two recombinant interferon alfa concentrated solutions manufactured in Korea were tested according to the monograph of EP. Tests of identification(biological activity. isoelectric focusing. SDS-PAGE under reducing condition, peptide mapping). related proteins. impurities of moducular masses differing from that of interferon alfa-2(SDS-PAGE under reducing and non-reducing condition). bacterial endotoxin, protein, potency, host-cell-derrved proteins. and host-cell-derived DNA were performed in the laboratories of manufacrues and division of biotechnology. KFDA. The results of this study showed that specitications of interfenon alfa concentrated solutions manufactured in Korea were within the aceptance criteria of EP. Based on the study. specitications and test methods for interferon alfa concentrated solution can be established according to the monograph of EP suggesting the revision of Minimum requirements for biological products

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Analysis of Korean Patent Current Status Related to Food using Edible Insects (식용곤충을 이용한 식품 관련 국내 특허 현황 분석)

  • Park, Chanjeong
    • The Korean Journal of Food And Nutrition
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    • v.35 no.2
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    • pp.137-149
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    • 2022
  • The purpose of this paper was to analyze domestic patents for food using edible insects. From January 1, 1980 to December 31, 2021, patents filed with the Korean Intellectual Property Office were searched, and a total of 242 valid patents were selected. The trend of Korean patent applications for edible insect food has increased since 2015, with 57 cases (the highest number) in 2017. As for the edible insects used in food, Bombyx mori L. were the most common with 127 cases, followed by Tenebrio molitor L. with 118 cases. By type of applicant, individuals accounted for the most, with 132 cases. As a result of grouping patents by food classification, 67 cases of edible insects were used in snacks, breads, and rice cakes. As a result of patent analysis, an effort was made to supplement insufficient nutrients by adding nutritionally excellent edible insects to existing foods, and efforts were made to improve the sensory properties of insect foods. It is expected that this study will contribute to establishing future R&D directions and patent application strategies related to edible insect food.

Analysis of the Menu from a Japanese Restaurant Using Menu Engineering and Cost/Margin Analysis - A Case of a Restaurant at a First Class (A) Hotel - (메뉴 엔지니어링, CMA분석방법에 의한 일식 메뉴 비교분석 - 특 1급 A호텔 레스토랑 사례 -)

  • Jeong, Woo-Seok;Byun, Kwang-In;Park, Sung-Su
    • Journal of the Korean Society of Food Culture
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    • v.23 no.5
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    • pp.595-604
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    • 2008
  • This study was conducted to evaluate the menu of a Japanese restaurant in a first class tourism hotel. The calculations used for the menu analysis were conducted using MS Excel 2003. Several previous studies have been conducted to analyze menus. For example, Pavesic used of the weighted contribution margins (WCM) and potential food cost (PFC%) to evaluate menus, while Kasavana & Smith used the mix margin (MM%) and unit contribution margin (CM) to evaluate menus. The menu engineering method focused on the customer's viewpoints, while the Cost/Margin analysis method considered the manager's viewpoints. The menus that need continuous keeping Kasavana & Smith (Star) and Pavesic (Standard) included 'Assorted sashimi with side dishes (big), 'Lunch box special', 'Tempura course', 'Broiled Spanish mackerel and side dishes', 'Shrimp tempura', 'Special sushi', 'Seafood Udong', 'Buckwheat noodles'. The results of this study should increase customer satisfaction and profits at the Japanese Restaurant.

Impact Education on Korean Diet and Diet Sustainability as Determined by the Food Preference Types of Elementary School Students (초등학생의 한식 선호유형에 따른 한식 식생활 교육효과가 식생활 지속가능성에 미치는 영향)

  • Jo Sung Suk;Hee Sun Jeong
    • Journal of the Korean Society of Food Culture
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    • v.38 no.5
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    • pp.314-325
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    • 2023
  • This study was to identify the effects of education on Korean foods preferred by elementary students and their sustainability. A survey was conducted on 5th-grade elementary school students. Korean food preferences were classified by exploratory factor analysis as creative, healthy, or considerate, and the effects of education on Korean dietary life were classified as cognitive or emotional. Dietary life sustainability was evaluated separately. Results showed that creative and considerate preferences had significant impacts on cognitive and emotional education effects and that a healthy preference type significantly impacted the emotional effect of education. Analysis showed that creative and considerate food preference types significantly influenced dietary life sustainability and that cognitive and emotional education effects mediated these relationships. Sex was not found to have a significant moderating effect. The study shows that Korean dietary life sustainability is influenced by education on topics that promote the value and excellence of Korean food and suggests that experiential education combining practice and theory should be used to increase interest in Korean food among elementary students. Additional studies are required to determine Korean food preferences to facilitate the development of a dietary life education program that enables students to understand and maintain healthy dietary practices.

Research on the Strategic Use of AI and Big Data in the Food Industry to Drive Consumer Engagement and Market Growth

  • Taek Yong YOO;Seong-Soo CHA
    • The Korean Journal of Food & Health Convergence
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    • v.10 no.1
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    • pp.1-6
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    • 2024
  • Purpose: The research aims to address the intricacies of AI and Big Data application within the food industry. This study explores the strategic implementation of AI and Big Data in the food industry. The study seeks to understand how these technologies can be employed to bolster consumer engagement and contribute to market expansion, while considering ethical implications. Research Method: This research employs a comprehensive approach, analyzing current trends, case studies, and existing academic literature. It focuses on the application of AI and Big Data in areas such as supply chain management, consumer behavior analysis, and personalized marketing strategies. Results: The study finds that AI and Big Data significantly enhance market analytics, consumer personalization, and market trend prediction. It highlights the potential of these technologies in creating more efficient supply chains, improving consumer satisfaction through personalization, and providing valuable market insights. Conclusion and Implications: The paper offers actionable insights and recommendations for the effective implementation of AI and Big Data strategies in the food industry. It emphasizes the need for ethical considerations, particularly in data privacy and the transparency of AI algorithms. The study also explores future trends, suggesting that AI and Big Data will continue to revolutionize the industry, emphasizing sustainability, efficiency, and consumer-centric practices.

Interrelations Among Fast Food Intake, Food Behavior, and Personality in Adolescents (패스트푸드 섭취가 청소년의 식행동 및 인성에 미치는 영향)

  • Her, Eun-Sil;Lee, Kyung-Hea;Bae, Eun-Young;Lyu, Eun-Soon
    • Korean Journal of Community Nutrition
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    • v.12 no.6
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    • pp.714-723
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    • 2007
  • Especially, the teenage period, an important lifetime to develop both physically and mentally, needs to be helpful to promote the growth of the body and to keep a well-balanced mind through a balanced and nourishing diet. It is well known that the western style fast food is the most liked meal by teenagers. Wrong recognition about fast food and its frequent intake by adolescents can lead to unbalanced diet and food behaviors which may also connect with a poor impact on their personalities as well as their physical health. In this study, therefore, relationships between fast food intake frequency and food behavior, sociability, and personality, such as anger expression, were surveyed from 1,295 adolescents (666 in Seoul, 316 in Changwon, and 313 in rural communities), and then analyzed using SPSS program. The results are shown as follows. The fast food preference score and the fast food intake frequency score showed no differences between male students (22.9/30, 14.4/30 respectively) and female students (23.0/30, 14.0/30 respectively). But, the fast food preference score correlated positively with the intake frequency score (r=0.304) significantly (p<0.001). The more frequently eating of fast food group showed significantly lower scores (r=-0.233, p<0.001) in food behaviors. The frequency of fast food intake had no relationships with sociability, but it had a significantly effect on anger expression (r=0.213, p<0.001) and control (r=-0.l47, p<0.001). From these results, we could see the necessity of various nutrition education programs to build proper eating-out habits and also more studies are needed to find the relationships between fast food intake and growth and personality.

Evaluation of Toxicological Data on Food Additives and Guideline for ADI establishment - Polydimethylsiloxane as emulsifier - (식품첨가물의 독성자료 고찰과 ADI 평가지침 - 소포제 Polydimethylsiloxane를 사례로 -)

  • Choi, Chan-Woong;Jeong, Ji-Yoon;Park, Hyoung-Su;Moon, Jin-Hyun;Lee, Kwang-Ho;Lee, Hyo-Min
    • Journal of Food Hygiene and Safety
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    • v.24 no.4
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    • pp.352-356
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    • 2009
  • The purpose of this study was to introduce the toxicological study review to evaluate the safety of PDMS on the 69th JECFA meeting. Polydimethylsiloxane is a polymer and its ADI was established at 23rd JECFA meeting in 1979. The ADI was maintained although the specification was expanded at its 26th, 29 th, 37 th meetings. Recently, it was reported that PDMS with low molecular weight and viscosity has high absorption rate and different toxicity, so it was submitted at 69th meeting. Toxicological studies of PDMS were submitted from the sponsor and additional information is collected from a document searching. The toxicological studies were reviewed in accordance with the 'Guidelines for the preparation of toxicological working papers for the Joint FAO/WHO Expert Committee on Food Additives'. In the available acute, sub-chronic and chronic toxicity studies on PDMS, dose-related increases in incidence and severity of ocular lesions(corneal crystal, inflammation of the corneal epithelium etc.) were consistently observed after oral dosing. It seems to be a local irritant effect, but the mechanism by which the ocular lesions arose is unclear, although the lack of absorption of PDMS indicates that it is unlikely to be a direct systemic effect. Consequently, the relevance of the ocular lesions for food use of PDMS could not be determined. The ADI of PDMS was re-established from 0-1.5 mg/kg bw/day to 0-0.8 mg/kg bw/day by applying additional safety factor 2 based on its ocular toxicity. The result of 0-0.8 mg/kg bw/day is a temporary ADI until further data are provided to 2010.

A Study on the Direction of Developing a Simulator for Performance Evaluation of Pulse Wave Detectors Through a Review of the Development Status of Cardiovascular Simulators (심혈관계 시뮬레이터 개발 동향 분석을 통한 맥파검사용기기 성능평가 시뮬레이터 연구개발 방향 모색)

  • Lee, Ju-Yeon;Kim, Jaeyoung;Go, Dong-Hyun;Lee, Ji-Won;Lee, Tae-Hee;Park, Chang-Won;Lee, Su-Kyoung
    • Journal of Biomedical Engineering Research
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    • v.43 no.3
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    • pp.136-146
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    • 2022
  • In this study, it is intended to provide basic data that can help develop a cardiovascular simulator for performance evaluation of pulse wave detectors by identifying the development status of domestic and overseas cardiovascular simulators. A total of 119 papers were selected by excluding duplicate literature, gray literature, and literature not related to a cardiovascular simulator. Based on the selected literature, the research trend of cardiovascular simulators was analyzed. As a result of analyzing the purpose of the study, most of the simulators were developed to evaluate the hemodynamic properties of artificial hearts and valves. In addition, it was used for simulation evaluation or hemodynamic studies such as pulse wave studies. As a result of analyzing configurations of the simulators, a heart most often consisted of only one left ventricle. For blood vessels, the Windkessel model was most often constructed using chambers and valves. In most studies, blood was reproduced by mixing glycerin and water to reproduce both density and viscosity. In addition, as a result of analysis from the perspective of medical device performance evaluation, simulators for evaluating artificial heart and artificial valves have been studied a lot, whereas simulators for blood pressure, pulse wave, and blood flow devices have been relatively insignificant. Based on the review results, we suggested considerations when developing a simulator for performance evaluations of a pulse wave detector.

Establishing a Table of Glycemic Index Values for Common Korean Foods and an Evaluation of the Dietary Glycemic Index among the Korean Adult Population (한국인 상용 식품의 혈당지수 (Glycemic Index) 추정치를 활용한 한국 성인의 식사혈당지수 산출)

  • Song, Su-Jin;Choi, Ha-Nui;Lee, Sa-Ya;Park, Jeong-Min;Kim, Bo-Ra;Paik, Hee-Young;Song, Yoon-Ju
    • Journal of Nutrition and Health
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    • v.45 no.1
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    • pp.80-93
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    • 2012
  • Recent studies have reported that the glycemic index (GI) has an effect on developing the risk for metabolic abnormalities such as diabetes, dyslipidemia, and obesity. As there are no reliable GI values for common Korean foods, only a few studies have been carried out using the dietary GI for Korean adults. The aim of this study was to establish a table of GI values for common Korean foods and evaluate dietary glycemic index (DGI) and dietary glycemic load (DGL) among the Korean adult population. International tables of GI values and other published values were used to tabulate GI values for common Korean foods. Among 653 food items, 149 (22.8%) were adapted from published data, 60 (9.2%) were imputed from similar foods, and 444 (68.0%) were assigned a zero. Data from 7,940 subjects aged 20 years and older in the 2007-2008 Korea National Health and Nutrition Examination Survey were obtained, and DGI and DGL were calculated. The average DGI was 60.0 and the average DGL was 182.5 when the reference food GI value was glucose. After adjusting for potential confounding variables, DGI and DGL increased significantly according to age group (p for trend < 0.001). The food group that contributed most to DGL was grain and its products supplying 85.3% of total DGL, whereas the mean GI value in grain and its products was 72.6. Fruits and potatoes also contributed to DGL (5.8 and 2.9%, respectively), and their GIs were high (67.7 for potatoes and 45.8 for fruits). For individual food items, white rice supplied 66.7% of total GI followed by glutinous rice (2.3%) and steamed white rice cakes (2.0%). In conclusion, a table of GI values for 653 common food items was established in which white rice was the most contributing item to DGL. Our results will be useful to examine the relationships between DGI, DGL, and metabolic abnormalities in the Korean population.