The Plasma Fatty Acid Composition and Cholesterol Levels of Rats Fed Different Sources of ω 3 Fatty Acid and Excess DHA during Gestation, Lactation, and Growth

Hongmie Lee,Juhee Lee,Jiwon Kim,Haymie Choi 한국식품영양과학회 2001 Preventive Nutrition and Food Science Vol.6 No.3

This study was designed to investigate the effect of different sources of ω 3 fatty acid in the diet with a similar polyunsaturated/saturated (P/S) fatty acid ratio and ω 6 / ω 3 fatty acid ratio as well as excess DHA on the plasma fatty acid composition and cholesterol level of rats. Three experimental diets contained 10% (w/w) dietary lipids. The control diet and one treatment diet were corn oil-based diets with different ω-3 fatty acid sources: perilla (CO) or fish oil (CF), respectively. In order to examine the effect of excess DHA, the other treatment diet (FO) was a fish oil-based diet with corn oil to supply essential fatty acids at the level of 1.8%(w/w) of the diet. Female Sprague Dawley rats were fed the experimental diets for 2 weeks prior to mating and throughout gestation and lactation. Pups were weaned to the same diet of dams at 21 days of age. Plasma fatty acid compositions and cholesterol contents were analyzed for pups at 3th, 7th and 10th week after birth. Plasma DHA concentrations increased significantly as the level of fish oil supplementation increased. Three-, seven- and ten-week old rats fed on CO diet which contained only α-linolenic acid as a ω-3 fatty acid source had plasma DHA levels of 4.85%, 3.15% and 2.47%, respectively, suggesting that rats at this period of development can convert α-linolenic acid to DHA. But the ability to form DHA might be limited, since dietary DHA showed to be more effective in raising the plasma level of DHA. There was a significant negative correlation between DHA and cholesterol concentration of the rat plasma at 7th week (r=0.34, p<0.05) and 10th week after birth (r=036, p<0.05), proving the hypocholesterolemic effect of DHA.

The Effect of Sulfur Amino Acid Content of the Diet upon Plasma Taurine Concentration and Hepatic Cysteinesulfinate Decarboxylase Activity of the Early Weaned Pigs

Hongmie Jin Lee(이홍미),Evan Earl Jones 韓國營養學會 1996 Journal of Nutrition and Health Vol.29 No.3

A Study on the Factors Related to the Seafood Preference of Elementary School Children

Lee, Hongmie Korean Society of Community Nutrition 2001 Journal of community nutrition Vol.3 No.1

This study was undertaken with 237 fifth grade children to investigate the factors, affecting the seafood prefrerence of elementary school children as one of the approaches to find strategies to promote these children's acceptance of seafoods. Subjects for this study were from one public elementary school under meal service located each in Boryeoung-city Chungcheongna Co (coastal area) and Chelowon gen Gangwon do land locked area) The preferences for than those in Boryeong and differences in may items were significant Among four area gender groups girls in Cheolwon had the lowest preference for most seafood items except cephalocoda for which the preference of body in Cheolwon was the lowest Making soup was the least preferred method to cook fish regardless of gender and area, while grilling was the most or the second most preferred in each gender area group Compared to girls bodys had a higher preference for deep frying The seafood preferences of mothers in both areas were similar to those of their children except for processed seafoods which were even more preferred by the children than mothers. Gender, distance from the sea and the method of preparation/cooking seemed to affect the children's preference more than their mother's preference and frequency of serving in the case of seafood. And the effect of gender distance from the sea and cooking methods differed for each seafood category The several suggestions to improve seafood preference especially in land locked area are discussed.

A study on the Characteristics in Lifestyle, Eating Habits and Food Preferences of Overweight and Obese Children in Pocheon Area

Lee, Hongmie,Park, Kyungsuk Korean Society of Community Nutrition 1999 Journal of community nutrition Vol.1 No.1

This study was undertaken with 542 fifth-grade elementary school children to investigate the characteristics in lifestyle, eating habits, food preferences of overweight and obese children in the Pocheon area of Korea. Anthropometry was conducted to determine obesity, and data was obtained on lifestyle, eating habits and food preferences by using questionnaires. The prevalence rate of obesity was 19.5% for boys and 8.5% for girls, and 14.3% of boys and 14.4% of girls were overweight. No significant differences was found in the body size and education years of parents, family income and the empolymental status of mother. Boys did not show any significant difference between subgroups in lifestyle, eating habits and food preferences. Obese girls watched TV longer and liked physical education less than normal and overweight groups, suggesting that an inactive lifestyle can be related to girls' obesity in this study. Overweight girls answered that they had significantly lower preferences for empty-calorie foods such as candies/caramels and cookies as well as high-fat foods such as samgyupsal(pork belly) than normal weight girls, implicating the fear of obesity for overweight girls, although more studies should be done including an assessment of actual intake of these foods. The preferences of obese girls for these foods were not higher than those of normal-weight girls, suggesting that the preference for certain foods may not be the characteristic of obese girls in this study. A special program for nutritional education with a different focus should be developed to combat the problems of each subgroup depending on gender and obesity status to improve the physical fitness of the children in this area.

The Plasma Fatty Acid Composition and Cholesterol Levels of Rates Fed Different Sources of $\omega$3 Fatty Acid and Excess DHA during Gestation, Lactation, and Growth

Lee, Hongmie,Lee, Juhee,Kim, Jiwon,Park, Haymie The Korean Society of Food Science and Nutrition 2001 Preventive Nutrition and Food Science Vol.6 No.3

This study was designed to investigate the effect of different sources of $\omega$3 fatty acid in the diet with a similar polyunsaturated/saturated (P/S) fatty acid ratio and $\omega$6/$\omega$3 fatty acid ratio as well as excess DHA on the plasma fatty acid composition and cholesterol level of rats. Three experimental diets contained 10% (w/w) dietary lipids. The control diet and one treatment diet were corn oil-based diets with different $\omega$-3 fatty acid sources: perilla (CO) or fish oil (CF), respectively. In order to examine the effect of excess DHA, the other treatment diet (FO) was a fish oil-based diet with corn oil to supply essential fatty acids at the level of 1.8% (w/w) of the diet. Female Sprague Dawley rats were fed the experimental diets for 2 weeks prior to mating and throughout gestation and lactation. Pups were weaned to the same diet of dams at 21 days of age. Plasma fatty acid compositions and cholesterol contents were analyzed for pups at 3th, 7th and 10th week after birth. Plasma DHA concentrations increased significantly as the level of fish oil supplementation increased. Three-, seven- and ten-week old rats fed on CO diet which contained only $\alpha$-lino1enic acid as a $\omega$-3 fatty acid Source had Plasma DHA levels of 4.85%, 3.15% ana 2.47%, respectively, suggesting that rats at this period of development can convert $\alpha$-linolenic acid to DHA. But the ability to form DHA might be limited, since dietary DHA showed to be more effective in raising the plasma level of DHA. There was a significant negative correlation between DHA and cholesterol concentration of the rat plasma at 7th week (r=0.34, p<0.05) and l0th week after birth (r=036, p<0.05), proving the hypocholesterolemic effect of DHA.

부모의 편식 여부에 따른 초등학생의 편식 여부와 식생활지침 준수 정도

윤선아(Yoon, Sunah):이홍미(Lee, Hongmie) 충북대학교 생활과학연구소 2019 생활과학연구논총 Vol.23 No.1

To determine the association of parent s unbalanced diets with dietary habits of their children, 268 children and their parents were surveyed from an elementary school in Uijeongbu-si, Korea in May 2014. Dietary habits of parents and children were determined using the Dietary Guidelines for Korean Adults and the Dietary Guidelines for Korean Children, respectively(Ministry of Health and Welfare, 2009) by coding the better adherence with a higher score. The significances between groups according to parents picky eating(55 picky eater vs. 213 non picky eater) were analyzed by using SPSS ver. 25.0. There was no significant differences in employment, relation with the child, and the most important factor when preparing child’s meal between groups. More children from picky eating parents answered that they were picky eaters(74.5% vs. 47.4%, respectively, p<.01) compared to their counterparts. The picky eating parents had lower adherences to dietary guidelines, resulting the lower total score(20.7±4.93 vs. 22.9±5.14, p<.01), compared to their counterparts. Moreover, the children from picky eating parents had the significantly lower adherences to dietary guidelines regarding vegetable intake, healthy snacking, using food label, trying not to leave plate-waste(p<.01, respectively), and protein intake(p<.05), resulting the significantly lower total score compared to their counterparts(24.4±6.91 vs. 27.1±5.91, respectively, p<.01). The findings provided the evidence to suggest that the children who have picky-eating parents should be received more attention regarding nutrition education focusing on the importance of balanced diet and importance of parents’ modeling eating on balanced diet for their children.  

Association between the Number of Unfamiliar Vegetables and Dietary Factors of Elementary School Children

Kyunghee Song,Hongmie Lee 한국식품영양과학회 2013 Preventive Nutrition and Food Science Vol.18 No.4

Despite well established health benefits, today’s children do not eat enough vegetables. The purpose of this study was to determine the association between the number of unfamiliar foods in the vegetable food group and the preference for these foods and dietary factors. Subjects were 1,072 children in 5th and 6th grades from elementary schools located in 4 cities in Gyeonggi-do, Korea. A two-page questionnaire consisted of questions asking about the subjects’ preference and familiarity for 64 foods in the vegetable group, preferences for three fast foods, four types of vegetable dishes, and six tastes. Also included in the questionnaire were questions assessing subjects’ adherence to national dietary guidelines. The subjects were divided into quintiles according to the number of unfamiliar vegetables; the 1st quintile (N=226) was children who had less than 14 unfamiliar vegetables and the 5th quintile (N=229) was more than 29. Compared to the children in the other quintiles, the children in the 5th quintile had a significantly lower adherence to national dietary guidelines regarding consumptions of vegetable and protein sources, regular exercise, awareness of desirable height and weight, and reading food labels, as well as total (P<0.05). The preferences for bland tastes (P<0.05), salads (saengchae, P<0.01), stir-fried vegetables (P<0.01), and several vegetable items (P<0.05) were significantly lower in the 5th quintile compared to the other quintiles. This study proposes the potential benefits of teaching children names of a variety of vegetables to improve their dietary factors such as food preferences and dietary habits.

Overestimation of own body weights in female university students: associations with lifestyles, weight control behaviors and depression

Miso Kim,Hongmie Lee 한국영양학회 2010 Nutrition Research and Practice Vol.4 No.6

The study aimed to analyze the lifestyles, weight control behavior, dietary habits, and depression of female university students. The subjects were 532 students from 8 universities located in 4 provinces in Korea. According to percent ideal body weight, 33 (6.4%), 181 (34.0%), 283 (53.2%), 22 (4.1%) and 13 (2.5%) were severely underweight, underweight, normal, overweight and obese, respectively, based on self-reported height and weight. As much as 64.1% and only 2.4%, respectively, overestimated and underestimated their body weight status. Six overweight subjects were excluded from overestimation group for the purpose of this study, resulting in overestimation group consisting of only underweight and normal weight subjects. Compared to those from the normal perception group, significantly more subjects from the overestimation group were currently smoking (P = 0.017) and drank more often than once a week (P = 0.015), without any significant differences in dietary habits. Despite similar BMIs, subjects who overestimated their own weight statuses had significantly higher weight dissatisfaction (P = 0.000), obesity stress (P = 0.000), obsession to lose weight (P = 0.007) and depression (P = 0.018). Also, more of them wanted to lose weight (P = 0.000), checked their body weights more often than once a week (P = 0.025) and had dieting experiences using ‘reducing meal size’ (P = 0.012), ‘reducing snacks’ (P = 0.042) and ‘taking prescribed pills’ (P = 0.032), and presented ‘for a wider range of clothes selection’ as the reason for weight loss (P = 0.039), although none was actually overweight or obese. Unlike the case with overestimating one’s own weight, being overweight was associated with less drinking (P = 0.035) and exercising more often (P = 0.001) and for longer (P = 0.001) and healthier reasons for weight control (P = 0.002), despite no differences in frequency of weighing and depression. The results showed that weight overestimation, independent of weight status, is associated with risky lifestyles, weight control behaviors, and mental conditions. Preventive interventions should focus not only on obesity, but also on body weight overestimation.

Dietary life and mukbang- and cookbang-watching status of university students majoring in food and nutrition before and after COVID-19 outbreak

Hyunjoo Kang,Sowon Yun,Hongmie Lee 한국영양학회 2021 Journal of Nutrition and Health Vol.54 No.1

Purpose: With increased time spent at home due to prolonged online classes, this study sought to determine how the coronavirus disease 2019 (COVID-19) pandemic has impacted the mukbang- and cookbang-watching patterns and dietary life of college students. Methods: All students majoring in food and nutrition (FN) at a college in Gyeonggi, Korea, participated in the survey in April 2019 (M/F = 36/106) and June 2020 (M/F -37/130) and data were analyzed using SPSS 26.0. Results: Compared to students responding in 2019, those in 2020 reported more frequently eating alone (p < 0.01) and cooking (p < 0.01), and evaluated their diets better regarding pleasant mealtimes atmosphere (p < 0.05), moderation in drinking (p < 0.05), and not consuming excessively delivery foods (p < 0.001), processed foods (p < 0.01), foods with animal fat (p < 0.01), salty foods (p < 0.01), and sweets (p < 0.01). Although the proportion of respondents who answered that they watched mukbang and cookbang at least occasionally did not change, greater proportions of respondents reported watching both genres frequently (p < 0.001, respectively) and spending less time/day in watching mukbang (p < 0.05) in 2020 vs. 2019. While they evaluated the effect of mukbang- and cookbang-watching on overall diet similarly, the proportion of respondents that reported feeling as though mukbang-watching prompted them to eat more of less-desirable foods decreased from 54.3% to 41.5% (p < 0.05). Diet improvement of participants due to COVID-19 resulted in that the association between frequent mukbang-watching and unhealthier dietary habits in 2019 was not shown in 2020. Conclusion: Our results suggest that the prolonged at-home stays due to COVID-19 might have improved many aspects of diet and decreased undesirable effect of frequent mukbang-watching in case of college students majoring in FN.

일부 대학생의 점심식사 실태 및 주 점심식사 장소별 식생활 진단

김현지 ( Hyunji Kim ),이홍미 ( Hongmie Lee ) 대한영양사협회 2016 대한영양사협회 학술지 Vol.22 No.4

This study was performed to determine lunch eating patterns and compare dietary habits among university students according to major lunch place. The subjects were 800 students from a university in Gyeonggi-do, and information was obtained by self-administered questionnaire. Data were compared among groups according to major lunch place (school cafeteria n=236, off-campus private restaurant n=73, on-campus private food shop n=134, delivery food n=119, convenient store n=238). Compared to male students, more female students ate at convenient stores (37.8% vs. 17.5%, respectively) while less ate at school cafeterias as the major lunch place. The on-campus private food shop group (19.1 year) were younger than the other groups (20.4∼20.8 year). Dietary habits were significantly better in the school cafeteria group (65.55 out of 100) than in the other groups (60.33∼62.66) (P<0.01). However, the satisfaction with school cafeterias was significantly lower than those with the other lunch places (P<0.01), and the most frequently answered reason for dissatisfaction was “not taste good” (51.0%). Despite having the lowest satisfaction among the five lunch places, eating at school cafeterias may be associated with better dietary habits in university students. Therefore, this study is able to provide basis for encouraging school cafeteria utilization for university students and for strategy development to improve university students’ lunches.