Korean Journal of Community Nutrition

Research Articles

[English]
Regional differences in protein intake and protein sources of Korean older adults and their association with metabolic syndrome using the 2016–2019 Korea National Health and Nutrition Examination Surveys: a cross-sectional study: You-Sin Lee, Yoonna Lee; Korean J Community Nutr 2024;29(3):173-188. Published online June 30, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.3.173

Abstract PDF PubReader ePub: Objectives
The study aim was to analyze the regional differences in dietary protein intake and protein sources of Korean older adults and their association with metabolic syndrome.
Methods
Study participants were 1,721 older adults aged 65 and over who participated in 2016–2019 Korea National Health and Nutrition Examination Survey. Using 24-hour recall dietary intake data, protein intake and their food sources were examined. The association between protein intake and metabolic syndrome, obesity, and abdominal obesity were analyzed by multiple logistic regression.
Results
Total protein and animal protein intakes were higher in urban area (60.0 g, 24.4 g, respectively) than in rural area (54.6 g, 19.6 g, respectively). With increase of protein intake level, animal to total protein proportion was increased in both areas. Total protein and plant protein intake was negatively associated with the risk of obesity, abdominal obesity in both areas. Animal protein intake was negatively associated with the risk of obesity in both areas, and with abdominal obesity only in urban area. In urban area, plant protein intake was also negatively associated with the risks of metabolic syndrome, elevated triglyceride, and reduced high density lipoprotein-cholesterol. In urban area, the risk of metabolic syndrome was decreased when their protein intake was more than 0.91 g/kg and was lowest when their protein intake was more than 1.5 g/kg (P for trend < 0.001).
Conclusions
Korean older adults showed inadequate protein intake and those in rural area showed lower animal protein intake than in urban area. The risk of obesity and metabolic syndrome was decreased with the increase of protein intake level. These findings may help develop effective nutrition support strategy for older adults to reduce regional health disparity.

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[Korean]
Association of ultra-processed food with diabetes and impaired fasting glucose in elderly populations (urban and rural): a cross-sectional study: Seung Jae Lee, Mi Sook Cho; Korean J Community Nutr 2024;29(1):51-64. Published online February 29, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.1.51

Objectives
This study examined the association between ultra-processed food (UPF) consumption and chronic diseases in elderly Koreans.
Methods
Data from the 2019–2021 Korea National Health and Nutrition Examination Survey were analyzed. Dietary intake and UPF consumption were assessed using the NOVA food classification based on 24-hour recall data from 3,790 participants (aged 65+ years). Participants were divided into 4 groups based on the quartile of energy intake from UPFs. Regions were classified as urban or rural. Multivariable logistic regression was employed to estimate the adjusted odds ratios (AORs) with 95% confidence intervals (CIs) after controlling for potential confounders.
Results
Among the participants, 71.3% resided in urban and 28.7% in rural areas. Compared to the urban elderly, rural participants tended to be older, have lower education and income levels, be more likely to live in single-person households, and have a higher smoking rate (P < 0.05). Urban elderly consumed more UPFs daily (146.1 g) compared to rural residents (126.6 g; P < 0.05). “Sugar-sweetened beverages” were the most consumed category in both regions. “Sweetened milk and its products” and “traditional sauces” were prominent in urban areas, while rural elderly consumed more “traditional sauces” and “distilled alcoholic beverages.” Rural areas also had a higher carbohydrate-to-calorie ratio than urban areas. Compared to the lowest quartile of UPF intake, the highest quartile was significantly associated with impaired fasting glucose only in rural areas (AOR, 1.48; 95% CI, 1.00–2.19; P for trend = 0.0014). No significant associations were observed for diabetes in either urban or rural areas.
Conclusions
This study suggests that high intake of UPFs is associated with increased odds of impaired fasting glucose in rural elderly. Further research is needed to elucidate the specific negative health effects of UPFs in different populations, and targeted efforts should promote healthy diets in both urban and rural areas.

Citations

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A Study of the Chemosensory Properties of Commercial Processed Foods Using Electronic Sensors
Hyeonjin Park, Younglan Ban, Sojeong Yoon, Hyangyeon Jeong, Seong Jun Hong, Hee Sung Moon, Se Young Yu, Hyun-Wook Kim, Kyeong Soo Kim, Eun Ju Jeong, Eui-Cheol Shin
Journal of the Korean Society of Food Science and Nutrition.2024; 53(8): 805. CrossRef

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[Korean]
Regional Differences in Dietary Total Fat and Saturated Fatty Acid Intake and Their Associations with Metabolic Diseases among Korean Adults: Using the 2016~2019 Korea National Health and Nutrition Examination Surveys: SuJin Song, Jae Eun Shim; Korean J Community Nutr 2021;26(6):495-507. Published online December 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.6.495

Abstract PDF

Objectives
This study examined regional differences in the intake of dietary total fat and saturated fatty acid (SFA) and their food sources among Korean adults. We also investigated the associations of SFA intake with metabolic diseases by region.
Methods
This study included 13,926 adults ( 19y) who participated in the 2016 ~ 2019 Korea National Health and Nutrition Examination Surveys. The regions were divided into urban and rural areas according to the administrative districts where the participants lived. Using dietary data obtained from a 24-h recall, intake of total fat and SFA and their food sources were assessed by region. Metabolic diseases included obesity, abdominal obesity, and elevated total cholesterol and their association with SFA intake by region were examined using multiple logistic regression.
Results
Of the participants, 19.6% lived in rural areas. In urban areas, the total fat and SFA intakes were higher than in rural areas: 21.2% of energy (%E) came from total fat and 6.9%E from SFA in urban areas, whereas 18.0%E came from total fat and 5.8%E from SFA in rural areas. The percentage of participants who exceeded the dietary reference intakes for total fat and SFA in urban areas was 16.5% and 41.9%, respectively, but 43.4% of participants in rural areas showed lower intake levels for total fat compared to the reference level. Young adults did not show regional differences in fat intake, and the percentage of subjects who exceeded the reference for SFA was high both in urban (58.5%) and rural (55.7%) areas. Among middle-aged and older adults, intake of fatty acids except for n-3 fatty acid was significantly higher in urban areas than in rural areas. About 69% of older adults in rural areas showed a lower intake of total fat compared to the reference level. The food sources for total fat and SFA were meat, soybean oil, eggs, and milk in both areas. The intake of fat from eggs, milk, mayonnaise, and bread was higher in urban areas, but the intake of fat from white rice and coffee mix was higher in rural areas. The SFA intake was positively associated with elevated serum total cholesterol in urban areas (4th quartile vs. 1st quartile, OR: 1.22, 95% CI: 1.06-1.40, P for trend: 0.043), but not in rural areas.

Citations

Citations to this article as recorded by

Regional differences in protein intake and protein sources of Korean older adults and their association with metabolic syndrome using the 2016–2019 Korea National Health and Nutrition Examination Surveys: a cross-sectional study
You-Sin Lee, Yoonna Lee
Korean Journal of Community Nutrition.2024; 29(3): 173. CrossRef
Association between the Korean Healthy Diet Score and Metabolic Syndrome: Effectiveness and Optimal Cutoff of the Korean Healthy Diet Score
Soo-Hyun Kim, Hyojee Joung
Nutrients.2024; 16(19): 3395. CrossRef
Estimating and evaluating usual total fat and fatty acid intake in the Korean population using data from the 2019–2021 Korea National Health and Nutrition Examination Surveys: a cross-sectional study
Gyeong-yoon Lee, Dong Woo Kim
Korean Journal of Community Nutrition.2023; 28(5): 414. CrossRef
Associations of Dietary Intakes of Total and Specific Types of Fat with Blood Lipid Levels in the Filipino Women’s Diet and Health Study (FiLWHEL)
Heejin Lee, Hyojin Kim, Sherlyn Mae P. Provido, Minji Kang, Grace H. Chung, Jae W. Lee, Sangmo Hong, Sung Hoon Yu, Chang Beom Lee, Jung Eun Lee
Global Heart.2023; 18(1): 29. CrossRef
Regional Differences in Metabolic Risk in the Elderly in Korea
Ji-Myung Kim, Yun-Jung Bae
International Journal of Environmental Research and Public Health.2022; 19(18): 11675. CrossRef

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Original Articles

[English]
Adaptability and Preference to Korean Food with Foreigners Who Reside in Seoul, Korea: Soojin Park, Dong Ju Kim, Weon Sun Shin; Korean J Community Nutr 2012;17(6):782-794. Published online December 31, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.6.782

Abstract PDF PubReader

The purpose of this study was to investigate the Korea-resident foreigners's adaptability and preference to Korean foods. The survey was carried out among 144 foreigners living in Seoul, Korea (male 57, female 87; from the East 109, from the West 35). Based on the first impression of Korean food, 'spicy', 'strong taste of seasoning', 'salty' were most common. About 90 percent of the foreigners adapted to Korean food in six months. It took more time to adapt to Korean food for Western people, compared to people from the East. Factors that influenced their adaption to Korean food were shown to be 'efforts by myself' and 'from friends'. Foreigners posited positive attitude toward Korean food according to their answers like 'nutritionally great food' and 'food with interesting ways of eating'. Westerners appeared to be more satisfied with Korean food. 'Too strong seasoning taste' and 'too sweet' were pointed out for further improvements. Beef Bulgogi, (Korean) fruit, Beef Ribs, Pork Ribs, and Grilled Pork Belly in order were foreigners' favorite foods, but Soju, Korean Sausage, Sliced Rice Cake Soup, Radish Kimchi and Vegetable Side Dishes were not. Taken together, the adaptability and preference to Korean foods to foreigners were different according to the gender and cultural background. Target marketing strategy of Korean Foods should be considered for foreign customers.

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Domestic Muslims Consumer Preference on HMR Product of Halal Base Freeze-Dried Sauces and its Sensory Characteristics
Ji-Na Kim, Eugene Choi, Hyeon Min Lee, Hyun-Ji Park, Weon-Sun Shin
Korean Journal of Food and Cookery Science.2018; 34(2): 163. CrossRef
Survey on the Status and Needs of Korean Food Consumption for the Development of Home Meal Replacement for Chinese and Japanese
Gyusang Han, Jiyu Choi, Sooyoun Kwon
Journal of the East Asian Society of Dietary Life.2017; 27(4): 420. CrossRef
A Study on Recognition, Preference and Popularization of Temple Food - Among Local and Foreign Restaurant Visitors
Yang-Su Moon, Sim-Yeol Lee
Korean Journal of Community Nutrition.2017; 22(1): 53. CrossRef
Female Marriage Immigrants’ Information Awareness, Perception and Familiarity on Korean Food Culture by Personal Characteristics and Food Neophobia Degree
Hee-sun Jeong, Ji-young Yoon
Korean Journal of Food & Cookery Science.2016; 32(2): 233. CrossRef
A Comparative Analysis of the Relationship between Food Neophobia Scale and Korean Food Perception of Southeast Asian Workers Living in South Korea
Kyung-Ran Lee, Eun Jung Lee
Journal of The Korean Society of Food Culture.2016; 31(2): 131. CrossRef
Preparation and Stability of Capsaicin-loaded Nanoemulsions by Microfluidazion
Min-Ji Kim, Soo-Jeong Lee, Chong-Tai Kim
The Korean Journal of Food And Nutrition.2016; 29(6): 985. CrossRef
Nutrition knowledge, eating attitudes, nutrition behavior, self-efficacy of childcare center foodservice employees by stages of behavioral change in reducing sodium intake
Yun Ahn, Kyung Won Kim, Kyungmin Kim, Jinwon Pyun, Ikhyun Yeo, Kisun Nam
Journal of Nutrition and Health.2015; 48(5): 429. CrossRef
Sensory characteristics and cross-cultural acceptability of Chinese and Korean consumers for ready-to-heat (RTH) type bulgogi (Korean traditional barbecued beef)
Su-Gyeong Jo, Soh Min Lee, Kyung-Hyun Sohn, Kwang-Ok Kim
Food Science and Biotechnology.2015; 24(3): 921. CrossRef
Cross-cultural Investigation on Chinese and Korean Consumers’ Reasons for Liking and Disliking for Bulgogi Using Check-all-that-apply Questionnaire
Nam-E Kang, Su-Kyung Jo, Soh Min Lee, Kwang-Ok Kim
Journal of The Korean Society of Food Culture.2014; 29(6): 567. CrossRef
A Survey on the Recognition and the Preference of Bibimbab with Students in Bayreuther, Germany
Joo-Eun Song
Journal of the Korean Society of Food Culture.2014; 29(4): 307. CrossRef
Establishment of the standard recipe according to preference of Korean, residents foreigner in Korea and American
Eun-Mi Kim, Sang-Hee Seo, Chang-Keun Kwock, Eun-Jung Lee, Seug-Hee Wie
Korean journal of food and cookery science.2013; 29(5): 463. CrossRef

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[English]
The Difference of Perception about Nutritional Problems and Food intakes, Nutrition Knowledge Score and Realities of Nutrition Education between Parents and Preschool Teachers: Joo Hee Lee, Eun Jung Kang, Changim Kim; Korean J Community Nutr 2011;16(6):636-646. Published online December 31, 2011; DOI: https://doi.org/10.5720/kjcn.2011.16.6.636

Abstract PDF PubReader

This study was conducted to investigate the difference of perception about nutritional problems and food intakes and nutrition knowledge score and realities of nutrition education between parents and preschool teachers. This research can be summarized as follows: there was the statistical difference of perception (chi2 = 52.451, p = 0.000) about nutritional problem of preschoolers between parents and preschool teachers. Parents (56.4%) and teachers (58.5%) identified eating only what they want as the most common nutritional problem of children, but they had different perception about the other problems. To parents, "No nutritional problem" (16.3%) is the second and "Overindulgence of processed food" (11.1%) is the third problem of preschoolers. To teachers, "Overindulgence of processed food" (23.8%) is the second and "Obesity" (14.3%) is the third problem. The perception on food intakes of preschoolers was statistically different in meats (chi2 = 8.892, p = 0.030), fish (chi2 = 32.241, p = 0.000), beans (chi2 = 14.770, p = 0.005), vegetables (chi2 = 12.706, p = 0.013), fruits (chi2 = 14.438, p = 0.006) and milk & dairy products (chi2 = 28.591, p = 0.000) between parents and preschool teachers. However, nutritional knowledge was not different between parents and preschool teachers. While 96.6% of preschool teachers felt that it was necessary to educate preschoolers, only 41.5% of them said that they fulfilled nutrition education, showing that nutrition education was not adequately carried out on the spot. Therefore providing basic materials through which nutritional management guidance and proper nutrition education for preschoolers can be carried out by investigating and analyzing knowledge on their nutrition and meal guidance activities for preschooler teachers and parents.

Citations

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Dietary Behavior and Related Factors of Preschool Children in Seocheon-gun, Korea
Seung-Lim Lee, Sun-Im Won
Journal of the East Asian Society of Dietary Life.2022; 32(1): 34. CrossRef
Analysis of the types of eating behavior affecting the nutrition of preschool children: using the Dietary Behavior Test (DBT) and the Nutrition Quotient (NQ)
Hyeon Mi Sim, Youngshin Han, Kyung A Lee
Journal of Nutrition and Health.2019; 52(6): 604. CrossRef
Study on Recognition and Consumption Behavior of Quality-Certified Children's Preferred Foods of Nursery Directors and Parents in Jecheon Area
Sung Hee Min
Korean Journal of Food & Cookery Science.2017; 33(3): 353. CrossRef
Nutritional status of 3~5 year old children attending kindergarten and childcare facilities: Using data from the 2010 and 2014 Korea National Health and Nutrition Examination Surveys
Mi Yeon Park, Pil Sook Park
Journal of Nutrition and Health.2017; 50(4): 361. CrossRef
The awareness level and needs for education on reducing sugar consumption among mothers with preschool children
Younhee Lee, Nami Joo
Nutrition Research and Practice.2016; 10(2): 229. CrossRef
Evaluation of Nutrition Quotient and Related Factors in Preschool Children
Yeon Hyang Jung, Jung Hee Kim
Korean Journal of Community Nutrition.2016; 21(1): 1. CrossRef
Study on Development and Evaluation of Nutritional Education Program for Preschool Children in Association with Center for Children's Foodservice Management, Childcare Facilities and Home
Chae-Young Jo, Ji-Hyeon Kim, Jin-Suk Han
Journal of the East Asian Society of Dietary Life.2015; 25(2): 372. CrossRef
A Study on Differences of Nutritional Knowledge·Food Hygiene and Practice between Foodservice Employees and the Housewives
Joo Hee Lee, Ji Yeon Shin, Changim Kim
The Korean Journal of Food And Nutrition.2014; 27(6): 1022. CrossRef
Evaluation of Food Behavior and Nutritional Status of Preschool Children in Nowon-gu of Seoul by Using Nutrition Quotient (NQ)
Jung Hee Kim, Yeon Hyang Jung
Korean Journal of Community Nutrition.2014; 19(1): 1. CrossRef
A Study on the Actual State of Nutrition Knowledge, Dietary Attitude, Eating Behavior, Physical Ability and Locomotion of Children Aged 5 Years in Siheung-city
Se-Hee Pyo, Hyun-Joo Kang
The Korean Journal of Food And Nutrition.2014; 27(5): 760. CrossRef
Measuring Differences in Food Iintakes and Dietary Habits of Preschool Children by the Weight-Length Index
Joo Hee Lee, Eun Jung Kang, Changim Kim
Journal of the Korean Dietetic Association.2013; 19(1): 34. CrossRef

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[English]
Seasonal Difference of Nutrient Intake, Serum Lipid and Antioxidative Index in Female College Students: Young Sook Ko, Hong Seok Ahn; Korean J Community Nutr 2007;12(2):142-149. Published online April 30, 2007

Abstract PDF: To evaluate the seasonal differences of nutrient intake and serum biochemical indices (total cholesterol, HDL-, LDLcholesterol, TG, MDA:malondialdehyde, TAS : total antioxidant status, folate) in Korean college women with a mean age of 20.15y, this study was conducted twice: once in winter and a second time in summer. Anthropometric assessment was also measured in the two seasons. As a result, body fat mass (p < 0.05), body fat% (p < 0.05), and abdominal fat% (p < 0.01) in the summer were significantly lower than those in winter. Intake of fat (p < 0.05), polyunsaturated fatty acid (p < 0.01), zinc (p < 0.05), and vitamin E (p < 0.05) were at significantly higher levels in the summer period compared with the winter period. In addition, nutrients with an intake level less than 75% RI of KDRIs were folate in winter and calcium, and folate in the summer. Total cholesterol (p < 0.05) and HDL-cholesterol in summer, according to lipid profiles, were significantly lower than those in winter. Although MDA, one of the products of lipid peroxidation, remained unchanged, TAS was significantly higher in summer than in winter. The level of folate in summer showed significantly lower than that in winter. The present study suggests that nutrient intake of college women women differs according to the seasons and anthropometric indices and serum biochemical indexes were associated with seasons. Thus nutritional education programs on the basis of season are needed for college women.

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[English]
Regional Differences in Taste and Food Preferences of College Students Attending Nutritional Education via Internet I. Main and Side Dishes: Sun Hee Cheong, Kyung Ja Chang; Korean J Community Nutr 2005;10(6):845-859. Published online December 31, 2005

Abstract PDF: The purpose of this study was to investigate the regional differences in food preference among college students participating in a nutrition education program via internet. The subjects were 1672 college students (male: 762, female: 910) and divided into 4 regional groups. A survey using a self-administered questionnaire was conducted using a self-administered questionnaire on taste and food preferences. Data was collected via internet or by mail. Prevalence of the food preferences among regional groups was examined using SPSS statistical package. Food preferences were significantly associated with sex and region. Female students in Chungcheong and Kyungsang areas showed significantly higher preference of the hot taste compared to Seoul and Kyunggi areas. Female students in Seoul, Kyunggi and Chungcheong areas showed significantly higher preference of the boiled bean rice compared to the Kyungsang area. The preference for Kimchi stew of female students in Seoul and Kyunggi was significantly higher than those in Chungcheong and Kyungsang areas. Male students in the Chungcheong area showed significantly higher preferences of the Young radish kimchi, while female students in this area showed significantly higher preference of the Radish kimchi compared to other areas. The preference for roasted laver of female students in Seoul, Kyunggi and Kyungsang areas was significantly higher compared to the Chungcheong area. The preference for fried chicken of male students in Seoul was significantly higher than that in other areas. The preference for bean sprouts and season bonnet bellflower of male students in Seoul, Chungcheong and Kyungsang areas were significantly higher compared to the Kyunggi area. Therefore, these results provide nation-wide information on food preferences among Korean college students.

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[English]
A Study on the Food Habit and Seasonal Difference of Nutrient Intake of Adult Working Women: Hwa Jae Lim; Korean J Community Nutr 2005;10(4):501-512. Published online August 31, 2005

Abstract PDF: To assess the food habits and the seasonal differnces of nutrient intakes and diet qualities of adult working women aged 30 - 49y in Busan, dietary survey was conducted in summer and in winter by a questionnaire and two-day food record. Anthropometric assessment was also investigated in two seasons. 91.8% of those skipped breakfast in the main. 44.3% had irregular meals. The mean daily energy intake was 1725.8 kcal with 63.3% of energy intake being supplied by carbohydrates, 14.7% by protein, 22.3% by fat in summer and 1598.4 kcal with 62.1% of energy intake being supplied by carbohydrates, 15.6% by protein, 22.1% by fat in winter. Over 70% of iron intake came from plant origin in two seasons. The mean intakes of energy, calcium, iron and vitamin A in summer and energy, calcium, iron, vitamin A and vitamin B2 in winter were below Recommended Dietary Allowance (RDA) for Koreans. As well as insufficiency in iron, the bioavailability of iron is considered to have been low because most of iron intake came from plant origin in two seasons. For calcium and iron in summer and calcium, iron, vitamin A and vitamin B2 in winter, proportions of subjects with intake levels less than 75% of RDA were over 40% in summer and over 50% in winter, respectively. The nutrient adequacy ratios (NAR) were below 0.75 for calcium and iron in summer and calcium, iron, vitamin A and vitamin B2 in winter. NARs of iron (p < 0.05), vitamin A (p < 0.01) and vitamin B2 (p < 0.001) in winter were significantly lower than those in summer. The mean adequacy ratios (MAR), an index of overall dietary quality were 0.85 in summer and 0.80 in winter. The MAR in winter was significantly lower than that in summer (p < 0.05). The indexes of nutritional quality (INQ) were below 1 for calcium and iron in summer and calcium, iron, vitamin A and vitamin B2 in winter. The intake (p < 0.05) and NAR (p < 0.05) of vitamin B2 showed positive significant correlations with height in winter. In conclusion, nutrient intake and diet quality of adult working women were different between the summer and the winter. So nutritional education programs for summer and winter are needed for adult working women.

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[English]
Dietary Living in North Korea according to the Defectors: Young Sook Park, Kee Choon Ghee, Ki Young Lee, Eun Young Rhee, Soon Hyung Yi, Dae Nyun Kim, Youn Shil Choi, Deborah Seok; Korean J Community Nutr 1999;4(1):64-73. Published online March 31, 1999

Abstract PDF: We performed a study to understand the dietary situation in North Korea and to compare the difference between the North and the South. Two hundred North Korean defectors from the North since 1990 participated in this survey. Information was collected from December, 1997 to February, 1998 by mailing pre-tested questionnaires, which had been confirmed by 10 previous interviewers. The final data from 157 defectors(107 male and 33 female with 17 unidentified gender) were analyzed. We found that (1) North Koreans are lowr in height, weight and BMI than South Koreans, (2) The North Korean diet is very simple and monotonous. It is limite to their local and unprocessed foodsand dishes, which is far from the trend of globalization and readiness. (3) On the other hand, in the North, the government control on foods diminished because food shortage leads to free market activity where housewives manage their own foodservices, and to accelate their eating-out behaviors. (4) Profound differences between the South and the North in dietary life are noticed by the defectors as English words and Korean words. Efforts to understand and learn about each other is necessay before not too late.

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