• 대한영양사협회학술지
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• 제21권3호
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• pp.181-193
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• 2015

This study investigated anthropometric and biochemical characteristics, nutrient intakes, and bone density of Korean elderly men (over 65 yrs). Data on bone density and anthropometric (height, weight, waist circumference, body mass index and blood pressure) and biochemical (total cholesterol, high-density lipoprotein (HDL)-cholesterol, low-density lipoprotein (LDL)-cholesterol, triglyceride and hemoglobin) characteristics, nutrient intakes, and nutrient density were obtained from the Fifth Korea National Health and Nutrition Examination Survey (KNHANES, 2008~2011). Subjects were categorized into smoking and non-smoking groups, and smoking groups were divided into three groups by smoking period (under 20 yrs, 21~40 yrs and over 41 yrs). Serum triglyceride concentrations of the smoking group aged 21~40 yrs were higher than those of other groups (P<0.01), whereas other biochemical factors were not different. Intake ratios of energy, protein, phosphorus and sodium in subjects were over 100% of Dietary Reference Intake for Koreans (KDRI). Nutrient densities according to intakes of thiamin, riboflavin, and niacin per 1,000 kcal were significantly different among the groups (P<0.05). Bone density of subjects decreased according to smoking period (T-score of total femur in non-smoking group -0.3108, and -0.2918, -0.4941, -0.6847 in smoking group, respectively). Ratio of osteoporosis was 38.1% in the non-smoking group and 44.4%, 51.1%, and 64.0% in the smoking group, respectively. The findings of the present study show that smoking may be associated with bone health, higher ratio of osteoporosis, and low nutrient density in elderly men. Therefore, practical and systematic non-smoking programs are required to improve the bone density of elderly men as well as maintain healthy bone levels and desirable lifestyle.

• Preventive Nutrition and Food Science
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• 제9권4호
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• pp.374-382
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• 2004

The concern of the antioxidant micronutrient status in normal healthy people, including antioxidant trace minerals such as Cu, Zn, Mn, Fe and Se is focused since systemic oxidation is involved in various chronic diseases. In the present study, we evaluated the concentration of trace minerals (Cu, Zn, Mn, and Fe) which are considered as potential antioxidant minerals in plasma, red blood cells (RBCs) and urine in normal healthy Korean subjects. The 760 subjects (male 341, female 419; mean age 54.2 $\pm$ 18.9) were recruited from the rural, urban and metropolitan city in South Korea. Dietary intake was evaluated using 24-hours recall for general major nutrient intake assessment. The trace elements (Cu, Zn, Mn, and Fe) concentrations in plasma, RBCs, and urine were measured by inductively coupled plasma spectrophotometer (ICP) and atomic absorption spectrophotometer (AAS). Cu and Zn levels in plasma, RBCs and urine in normal healthy South Koreans were within the normal range of those mineral levels, but Mn and Fe levels were higher compared to the normal range of those mineral levels. None of the selected trace mineral levels in plasma and RBC's was lower than the normal range value. The results showed that Zn and Cu levels in plasma and RBC's in Korean were within the normal range, and plasma and urinary Mn and Fe levels were higher than the normal reference values. Potential antioxidant trace mineral (Cu, Mn, Zn and Fe) levels in Koreans are within or a bit higher than the normal range.

• Journal of Nutrition and Health
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• 제41권7호
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• pp.667-681
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• 2008

This study aimed to identify a nutritionally vulnerable group and to examine their nutritional problems based on a relationship between socioeconomic position and nutritional status through life-course. A cross-sectional nationwide survey of 2005 Korean National Health and Nutrition Examination Survey (KNHANES) was used. A total of 8,930 participants aged $\geq$ 1 year were included. The socioeconomic position indicator was education level. Nutritional status was assessed by the percentage attainment of a dietary reference intake (DRI) and dietary quality based on nutrient intakes estimated by a 24 hour-recall data. Food insufficiency was examined by one-item food insufficiency questionnaire. The difference in nutritional status and food insufficiency according to educational level was tested by General Linear Model and Chi-square test, respectively. The nutritional status and food insufficiency was the worst during adolescence and older age than other period. Both quantity and quality of nutrient intakes was poorer in low education group than high education group. The prevalence of food insufficiency also was higher in low education group. The results were consistent across the life-course and sex. Based on these findings, we suggest that the development of various policy and strategies targeted to nutritionally vulnerable group is necessary to reduce nutritional inequality by socioeconomic position.

• 대한지역사회영양학회지
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• 제17권5호
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• pp.637-651
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• 2012

The purpose of this study was to investigate salinity and sodium content in foods served at industry foodservice operations in selected workplaces in Daegu. The researcher collected 1,142 food items categorized into 22 menu item groups from lunch samples served at 100 industry foodservice operations and measured the salinity of the food items, and calculated sodium and salt contents from the salinity. In terms of salt content of one meal at each workplace, 46% of the meals were 3-<5 g, and only 3.0% of them were 1.7 g or less, which is one third of the daily target intake (5 g) presented by the Dietary Reference Intakes for Koreans. In terms of sodium content, 35.3% of the meals were 1,000-< 1,500 mg (most), and only 2.5% of them were 667 mg or less, which is, again, one third of the daily target intake. As to the salinity of each menu item group, side dishes such as sauces, kimchi, seasoned vegetables, hardboiled foods, and stir-fried foods were significantly higher, but the sodium content was not higher, because their quantity per serving was small. The salinity of foods with liquid such as stews, noodles, soups, and broths was relatively lower, but the sodium content was higher, because their quantity per serving was large. This indicates that an education program should be developed for foodservice workers who prepare food for the workplace regarding the development and promotion of various menus for reducing sodium content, in order to reduce sodium content in meals served by food service in the workplace.

• Journal of Nutrition and Health
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• 제35권6호
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• pp.650-657
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• 2002

In order to provide basic data for the means to improve food situation and nutritional status of those supported by the National Basic Livelihood Security System (NBLSS), we examined household food insecurity and nutritional status of children under the support of NBLSS. This study included 209 children aged 3-12 years (99 boys and 110 girls) and their caretakers. We measured house food insecurity using Radimer/cornell Scale, children's body sizes and nutrient intake by semi-quantitative food frequency questionnaire, and caretakers' nutritional management skills. Only 9.6％ of the households were in food secured (FS) while 8.1％ were in household food insecured, but without hunger (HFI), 42.1％ were in adult food insecured with hunger (AFI), and 40.2％ were in child hungry (CH). Important predictors of food security were nutritional management skills of the caretakers as well as their education, but neither income nor food expenditure of the households. Mean energy intake of the children was 86.0％ of the Korean Recommended Dietary Allowance (RDA). Intakes of protein, phosphorous, vitamin A and B$_1$ were relatively high ranging from 112.3％ to 124.4％ of the RDAs while those of calcium, iron, niacin, vitamin C were low showing 74.8-83.3％ of the RDAs. Height, weight and weight/height ratio were close to the reference levels. Lower nutrient intakes of children were observed as the households were more food insecured. However, nutrient intakes and body sizes of children did not differ as a function of household socioeconomic status representing by income, food expenditure and caretakers' education. Results of this study suggest the importance of food security and nutritional management skills for the children's nutrient intakes. Concerning this matter, a need for nutrition education in the program for NBLSS was discussed.

• 한국식품조리과학회지
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• 제32권5호
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• pp.648-655
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• 2016

Purpose: This study investigated the salt and sodium content of lunch meals served at foodservice center for children in Gyeongsan-si, Gyeongsangbuk-do. Methods: Five foodservice centers for children registered at Center for Children's Foodservice Management were investigated for salt and sodium content and salt content contributing rate per meal. Results: Average salt content of every meal was $1.78{\pm}0.54g$, and average sodium content was $680.99{\pm}175.97mg$. The 98 of 100 meals served in 5 foodservice centers for children exceeded the dietary reference intakes for Koreans' recommendation for adequate intake of sodium per meal of 333 mg. The highest sodium content was 1,369.85 mg. Samples from lunch meals were classified into 14 food items and investigated for one serving size, salinity, salt and sodium content. Total average salinity was 0.31%, kimchi (0.49%), followed by soup (0.45%), hard-boiled foods (0.39%), stir-fried foods (0.39%), and fresh-vegetables (0.32%). Total average salt content was 0.39 g, the most salty dishes were one-dish rice noodles, followed by soup (0.65 g), hard-boiled foods (0.49 g), stir-fried foods (0.48 g), and broth stew (0.43 g). Samples from lunch meals were classified into 6 menu groups, including cooked rice, one-dish rice noodles, soup stew, main dish, side dish, and kimchi. Contributing rate for total average salt content was high in one-dish rice noodles (48.97%), soup stew (38.47%), main dish (27.28%), side dish (21.02%), kimchi (18.56%), and cooked rice (3.95%). Conclusion: These results can be useful for reducing total dietary sodium content to less than 333 mg in children who are provided lunch meals at foodservice centers. To achieve this goal, development of low-sodium recipes, and nutrition education for foodservice employees is required.

• Nutrition Research and Practice
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• 제13권1호
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• pp.32-40
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• 2019

BACKGOUND/OBJECTIVES: This study investigated nutritional status of the elderly with dementia in a care facility with the aim of improving the meal quality of the facility. SUBJECTS/METHODS: Data were collected from 30 dementia patients aged more than 65 years in a long-term care facility in Hongseong. The data were obtained from questionnaires and medical records. The food intake data was obtained using food photographs and the nutrient intakes were calculated using the CAN-Pro 5.0. The data were compared with the dietary reference intakes for Koreans (KDRIs). The nutrient density, diet quality such as nutrient adequacy ratio (NAR), mean adequacy ratio (MAR), and index of nutritional quality (INQ), as well as dietary diversity score (DDS) were evaluated. The data were analyzed using SPSS statistical programs. RESULTS: The average daily energy intakes for men and women were much lower than the estimated energy requirements of the KDRIs. The average intakes of energy and most nutrients in the general diet group were significantly higher than those of the other two groups. Significant differences in diet quality and diet diversity were observed according to the meal type groups. The NARs of some minerals (calcium, iron, and zinc) and vitamins (vitamin $B_6$ and folic acid) were less than 0.5 in all study groups. The NARs of protein, iron and MAR of the general diet group were significantly higher than those of the liquid diet group. The DDS scores of meats, fruits and diary food group were very low in all meal type groups, meaning that the diet qualities of the study subjects were not appropriate in all meal type groups. CONCLUSIONS: The food intakes of the study groups showed some limitations by a direct comparison with KDRIs because of the very low physical activities of the study subjects. The diet quality and diet diversity indices suggest the need for improvements in the nutritional quality in all types of diet. Overall, new intervention strategies targeting facility residents with dementia in Korea are needed as soon as possible.

• Journal of Nutrition and Health
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• 제28권5호
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• pp.434-441
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• 1995

The model rats with postmenopausal osteoporosis were comparatively observed with regard to the effects of bovine ash and calcium phosphate on calcium metabolism. The modelling design involved the five week-old week-old female SD-strain rats ovariectomized and fed a low-Ca diet(20% casein, 0.06% Ca and 0.38% P) for three weeks. The rats were divided into five groups, one of which was fed the low-Ca diet(basal), and the rest of which were divided into five groups, one of which was fed the low-Ca diet(basal), and the rest of which were fed four kinds of Ca-supplemental diets(20% protein, 1.06% Ca and 0.8% P) for three weeks. The Ca-suplements diets contained two kinds of Ca sources, bovine bone ash(BBA) or calcium phosphate, tribasic [Ca3(PO4)2] and two kinds of protein sources, casein or isolated soy protein(ISP). The model rats of postmenopausal osteoporosis fed basal diet showed a significant decrease in Ca utilization in reference to serum Ca concentration, breaking force of bone, Ca and P contents of bone, and Ca absorption and retention. However, the supply of Ca for three weeks demonstrated the improved utilization of Ca. One step further, BBA was more effective than calcium phosphate in improving Ca utilization in ISP-fed groups. On the other hand, no significant difference was seen in casein-fed groups. It is to conclude that BBA could be more effective in accelerating Ca utilization under vulnerable dietary or physiological conditions such as vegetable protein intake and osteoprosis.

• Journal of Nutrition and Health
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• 제43권3호
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• pp.304-314
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• 2010

Vitamin E has been a generic term for all tocopherol and tocotrienol derivatives. The most active form of vitamin E isoforms in vivo is regarded to be $\alpha$-tocopherol which is the only form defined as vitamin E in the US Food and Nutrition Board, causing controversy over setting dietary reference intake (DRI) of vitamin E. However, most of the countries other than the US maintain the original concept that all isoforms are accepted as vitamin E but with different biopotency. The roles of the isoforms of vitamin E other than $\alpha$-tocopherol have received continuous attention. Among them those of $\gamma$-tocopherol and $\alpha$-tocotrienol have been most studied in comparison with $\alpha$-tocopherol, since $\gamma$-tocopherol comprises major form of vitamin E in many plant seeds and those of the both vitamin E have been implicated in unique physiological functions. This review summarizes findings that have led a better understanding of vitamin E absorption, transport, tissue storage and various functions common and specific to vitamin E isoforms focusing $\alpha$- and $\gamma$-tocopherol as well as tocotrienols. It is expected to help redefining vitamin E and setting its DRI for Koreans.

• Journal of Nutrition and Health
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• 제53권5호
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• pp.503-517
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• 2020

본 연구는 2007-2015년 국민건강영양조사 자료를 이용하여 아동과 청소년 (6-18세, n = 10,043)에서 연도별 우유 섭취 실태와 우유비섭취군과 우유섭취군의 영영상태를 비교 분석하였다. 그 결과 흰우유 섭취량은 연도에 따라 감소한 반면 (남자 p = 0.0199, 여자 p < 0.0001, 전체 p < 0.0001), 가공우유 섭취량 (초등학생 p = 0.0304, 전체 p = 0.0419)과 유제품 섭취량 (남자 p = 0.0002, 여자 p < 0.0001, 초등학생 p < 0.0001, 중학생 p < 0.0001, 고등학생 p = 0.0426)은 증가하였다. 그러나 연도별로 우유 및 유제품의 총 섭취량뿐만 아니라, 우유비섭취군과 우유섭취군 비율은 유의적인 변화가 없었다. 학교급별 우유섭취군 비율은 초등학생 59.7%, 중학생 44.7%, 고등학생 35.2%이었으며, 모든 학교급에서 우유섭취군에 남학생이 여학생보다 더 많았다 (p < 0.01). 모든학교급에서우유섭취군의칼슘 (p < 0.001), 인 (p < 0.001), 리보플라빈 (p < 0.001) 섭취량은 우유비섭취군보다 유의적으로 높았다. 모든 학교급에서 우유비섭취군의 영양불량 분율이 유의적으로 높았고, 특히 초등학생에서 이 분율이 가장 높았다. 우유비섭취군의 칼슘부족 분율이 우유섭취군에 비하여 유의적으로 높았다 (초등학생 15.7배 [p < 0.001], 중학생 12.1배 [p < 0.001], 고등학생 10.3배 [p < 0.001]). 이상에서 전체 대상자의 흰우유 섭취량이 연도별로 감소하였고, 모든 학교급에서 우유섭취군의 영양소 섭취 및 영양상태가 우유비섭취군보다 유의적으로 좋았다. 따라서 아동과 청소년 시기에 우유를 매일 2컵 이상 섭취할 수 있도록 영양교육을 강화하고, 학교우유급식을 통해 우유 섭취를 증가시킨다면 성장기의 칼슘을 포함하는 영양상태 개선에 도움이 될 것으로 생각된다.