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인제지역 노인의 식품군 섭취 빈도에 따른 영양섭취량 조사
임경숙 ( Kyeong Sook Yim ) 한국식생활문화학회 2008 韓國食生活文化學會誌 Vol.23 No.6
The consumption of a wide variety of food groups is considered one of the key components of nutritional adequacy. The 2005 Dietary Guidelines for Koreans includes the consumption of a variety of foods from diverse food groups as a component of a normal diet. A survey was conducted to evaluate the relationship between the dietary diversity of food groups and nutrient intake in elderly patients (age 65 and above) at a rural area in Korea (Inje). 296 subjects (111 male and 185 female) were probed in a 3 day 24-recall dietary survey. Subjects were grouped according to food group intake frequency, based on six food groups (grain, meat/fish/legume/egg, vegetable, fat/oil, dairy, fruit). Nutritional quality was evaluated according to the numbers of nutrients under EAR (Estimated Average Requirements), and MAR (mean adequacy ratios). The frequency of elderly subjects consuming a meat/fish/legumes/egg food group less than once per day was 29.4%. The frequency of elderly subjects consuming fat/oil food group less than once per day was 65.8%. The percentage of subjects who did not eat dairy food was 88.8%, and that of subjects who did not eat fruit was 57.5%. A stepwise multiple regression analysis was used to develop models relating nutritional quality to possible food group intake frequency factors. Using the number of nutrients under EAR as a dependent variable, the meat/fish/legume/egg food group intake frequency explained 9.9% of variance, followed by the grain group, fat/oil group, dairy group, and vegetable and fruit group (Model R2=0.260). For mean nutrient adequacy ratio as a dependent variable, the model R2 was 0.326. The results of this study suggest that a highly varied diet in elderly might be associated with better nutritional quality, as assessed by nutrient intake. Accordingly, dietary guidelines should take into consideration nutritional characteristics in order to improve intake from all major food groups and to provide a variety of foods in the diet.
연구논문 : 아침 결식이 경기지역 남녀 중학생의 영양섭취상태 피로자각도 및 주의집중력에 미치는 영향
임경숙 ( Kyeong Sook Yim ) 한국식생활문화학회 2014 韓國食生活文化學會誌 Vol.29 No.5
Eating breakfast provides crucial nutrition for brain function and helps promote overall health.lt is especially critical in growing adolescents, as it is Known to form good eating habits and better study habits. This study investigated the effects of skipping breakfast on nutritional state, fatigue level, and attention elvel. A cross-sectional study was conducted in 2010 on total of 828 adolescents composed of 414 boys and 414 girls. Students who ate breakfast never to twice per week were placed in the breakfast-skipper group while students who ate breakfast more than five times per week were included in the breakfast-eater group. Students performed a self-reported questionnaire on food behaviors, amount of food consumption, fatigue level, attention deficient hyperactivity disease (ADHD) level by Conners-Wells" Adolescent Self-Report Scales, depression scale, and self-esteem level. Statistical analysis was conducted using the SAS program (version 9.1). A total of 135 boys(32.6%) and 138 girls (33.3%) were included in the breakfast-skipper group, whereas 241 boys(58.2%) and 223 girls (53.9%) were included in the breakfast-eater group. The breakfast-skipper group showed irregular food behaviors and lacked nutrients. Specifically, energy (p<.001), protein (p<.001), dietaty fiber (p<.001), calcium (p<.01), vitamin A((p<.01), thiamin ((p<.05),niacin (p<.001), levels in boy breakfast-skippers were statistically lower compared to boy breakfast-eaters.Intakes of all
Tyrosine 결핍이 뇌 성장 및 Brain Catecholamine 수준에 미치는 영향
송은승,최혜미,임경숙 ( Eun Seung Song,Hay Mie Choi,Kyeong Sook Yim ) 생화학분자생물학회 1982 BMB Reports Vol.15 No.3
Virgin female Sprague-Dawley rats, weighing 200∼230 g, were mated with healthy males. And pregnant rats were seperated and fed a tyrosine deficient diet (tyr. 0.00 %) during various stages of gestation and lactation period, and the offsprings were compared with the rats fed a tyrosine control diet (tyr. 0. 36%). Brain and serum protein, brain and serum tyrosine and brain catecholamines; norepinephrine and dopamine were measured. Body weight and brain weight were also measured. DEF. I group received the deficient diet from delivery; DEF. II group, from the 15th day of gestation; DEF. III group, from the 8th day of gestation and continued until 35th day of postnatal period. Control group was fed a control diet (tyr. 0.36%) throughout the experimental period. Body and brain weight were significantly lower in deficient groups than those of the control group, but the brain weight was not so severely affected by the tyrosine deficient diet as the body weight. And tyrosine deficiency to have an adverse effect on brain protein synthesis and the adverse effect appeared more severe in preweaning than in postweaning period. In deficient groups, serum tyrosine showed severely decreasing tendency, but brain tyrosine did show such a sharp decrease. Brain norepinephrine and dopamine contents a decreasing tendency in deficient groups compared with the control group. But only at 7th day, both norepinephrine and dopamine contents were significantly depressed in all three DEF. groups. This shows that tyrosine restriction in maternal diet is not so critical to brain catecholamine content of offsprings except the neonatal rats. It seems that norepinephrine level was more affected by dietary tyrosine restriction than the dopamine level.