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어머니의 영양지식과 식행동이 중학생 자녀의 식생활에 미치는 영향
이재선(Lee,Jae-Sun),최영선(Choi,Young-Sun),배복선(Bae,Bok-Seon) 韓國營養學會 2011 Journal of Nutrition and Health Vol.44 No.2
Middle-school students (158 boys and 199 girls) and their mothers were asked about nutritional attitudes, nutritional knowledge, dietary habits, and food intake using a questionnaire to examine whether nutritional knowledge and dietary behaviors of mothers affected their children’s dietary habits. Nutritional attitude scores (total, 15 points) and nutritional knowledge scores (total, 20 points) of girls were 11.24 and 16.13 points, respectively, which were significantly higher than 10.47 and 15.43 points for boys. Generally, mothers received higher points than their children for all scores surveyed, but the results were not significantly different between boys’ mothers and girls’ mothers. The mean nutrient adequacy ratio (MAR) was calculated from dietary nutrient intakes to assess overall quality of meals. The results showed that girls had a higher MAR than that of boys (0.89 vs. 0.86, p < 0.01). Relationships among variables were examined by Pearson’s correlation coefficient within children and between children and their mothers. Significant positive correlations were observed between nutritional attitudes and knowledge in both boys and girls. In girls, positive correlations between nutritional attitudes and dietary habits, nutritional knowledge and dietary habits, and dietary habits and MAR were also significant. In boys, only dietary habits and MAR were correlated with those of their mothers. Nutritional attitudes, dietary habits, and the MAR of girls’ mothers were significantly correlated with nutritional attitude, dietary habits and the MAR of girls. The results indicate that the influence of mothers on dietary behaviors of children was greater in girls than that in boys, suggesting that a gender-specific nutrition education program is needed for middle school students. (Korean J Nutr 2011; 44(2): 140 ~ 151)
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에탄올의 섭취수준과 금주 후 회복이 흰쥐의 비타민 A 및 E 함량에 미치는 영향
서정숙(Jung-Sook Seo),배민정(Min-Jung Bae),김정미(Jung-Mi Kim),배복선(Bok-Sun Bae) 한국식품영양과학회 2000 한국식품영양과학회지 Vol.29 No.6
본 연구는 에탄올의 급여수준과 금주 후 회복이 체내 항산화비타민 상태에 미치는 영향을 조사하고자 평균 체중이 200 g인 Sprague-Dawley종 숫쥐 50 마리를 사용하여 혈장 및 간조직의 비타민 A 및 E의 함량을 비교ㆍ분석하였다. 실험식이는 에탄올 액체식이형태로 만들어 공급하였으며, 이때 식이는 mL당 1 kcal의 열량을 공급할수 있도록 조제하였다. 각 실험군의 식이구성은 에탄올을 첨가하는 대신 dextrin-maltose를 급여한 C군, 전체 칼로리의 10%를 에탄올로 첨가하는 LE군, 20%를 첨가하는 ME군, 30%를 첨가하는 HE군, 30%의 에탄올을 5주간 공급한 후 다시 2주간 정상식이를 급여한 회복군(HR)으로 설정하여 실험식이를 공급하였다. 혈장에서의 retinol 함량은 에탄올 급여수준에 따른 유의적인 차이는 나타나지 않았다. 간조직 중의 retinol 함량은 20% 이상의 에탄올군에서 대조군에 비해 유의적으로 감소되었고, 30% 에탄올군인 HE군에서는 현저하게 저하되었다. 30% 에탄올 급여후 2주간 정상식이로 회복시킨 군에서도 간조직의 retinol의 함량은 그대로 저하된 상태를 유지하였다. 간조직의 retinyl palmitate 함량은 에탄올 급여수준이 높을수록 감소되는 경향이었으며, 30% 에탄올군에서는 대조군에 비해 유의적으로 감소되었다. 회복군의 경우에도 이러한 저하현상은 더욱 심화되었다. 혈장의 α-tocopherol 함량은 에탄올 급여량에 따라 별다른 차이를 나타내지 않았다. 간조직에서는 10%에탄올군에서도 대조군에 비해 유의적으로 감소되었으며, 에탄올 급여수준이 증가될수록 현저하게 저하되었다. 그러나 회복군에서는 α-tocopherol의 함량이 10% 에탄올군의 수준까지 회복되었다. 이상의 결과에서와 같이 만성적인 에탄올의 섭취는 대체로 열량의 20% 이상을 에탄올로 급여하였을 때 섭취수준이 증가함에 따라 흰쥐의 간조직에서 비타민 A와 α-tocopherol의 함량이 저하되었다. 이는 에탄올의 섭취를 중단하고 정상식이를 일정기간 급여하여도 특히 비타민 A 함량은 회복되지 않는 경향을 보여 만성적인 에탄올 섭취자들에게 비타민 A영양상태의 문제를 예방할 수 있는 방안이 강구되어야 함을 나타낸다. The present study was conducted to investigate the effect of different levels of ethanol ingestion and ethanol withdrawal on vitamins A and E contents in rats. Sprague-Dawley male rats were given a liquid diet containing 0, 10, 20 or 30% of their caloric intake as ethanol for 5 weeks. Ethanol withdrawal rats maintained first on 30% ethanol diet for 5 weeks and then on control diet for 2 weeks. Ethanol consumption had no effect on plasma retinol levels among treatment groups. However, in rats fed over 20% ethanol diet, hepatic level of retinol significantly decreased, especially, in 30% ethanol fed rats. Feeding the control diet after ethanol withdrawal did not restore the hepatic level of retinol decreased by ethanol consumption in rats. Hepatic level of retinyl palmitate decreased markedly in rats fed 30% ethanol diet compared to control rats. In the rats withdrawn ethanol, it decreased more significantly. Hepatic content of α-tocopherol decreased significantly in rats fed ethanol diet more than 10%. However it was recovered to some extent by ethanol withdrawal. The results suggest that chronic ingestion of ethanol decreased hepatic concentrations of vitamins A and E, especially, in rats fed ethanol diets more than 20%.
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칼슘강화 메뉴 첨가에 의한 학교급식 식단 조정이 여고생의 영양소 섭취 개선에 미치는 효과
이언경(Eon Kyoung Lee),최영선(Young Sun Choi),배복선(Bok Seon Bae) 대한지역사회영양학회 2011 대한지역사회영양학회지 Vol.16 No.2
This study was conducted to improve the nutritional status of high school girls via lunch menu intervention. Surveys were carried out twice to evaluate basal status and status after lunch menu intervention. In the first survey nutrient intakes of 24-hour and school lunch were each estimated by 24-hour recall dietary survey and self-recording, respectively. Calcium intake was the lowest among nutrients, and stir-frying was the most preferred cooking method. Five dishes of school lunch menus which were included in the first survey were replaced with recipes containing foods with higher calcium level; anchovy stir-fried with red pepper paste, anchovy stir-fried with almond, pork stir-fried with shredded kelp, crab meat soup, and tteokbokki with cheese. In the second survey calcium intake from school lunch was significantly (p<0.001) increased from 45.5% to 50.2% of one thirds of recommended intake (RI) after calcium enriched lunch menu intervention. Intakes of vitamin A and E were also significantly increased, whereas those of energy, thiamin, and vitamin C were decreased. Index of nutritional quality values of nutrients of 24-hour intakes (except thiamin, vitamin B6, vitamin C) is increased by intervention; however, those of calcium, folic acid, iron are still very low. Even though this study shows a possibility of improving nutrient intakes of students through school lunch menu intervention, lunch intervention by itself is not enough action to improve nutritional status of micronutrient for adolescents. (Korean J Community Nutr 16(2): 265~277, 2011)
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