• 분석과학
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• 제20권3호
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• pp.237-245
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• 2007

현재 시중에서 판매되고 있는 비타민드링크 제품 중 20개사 31개 제품의 벤젠 함량을 headspace-solid phase microextraction(HS-SPME)법을 이용하여 GC/MS-SIM으로 분석을 하였다. SPME fiber는 $100{\mu}m$ PDMS를 사용하였다. 또한 정량방법은 표준물첨가법을 사용하였으며 40 mL vial에 용액 25 mL를 취하고 그 안에 자석젓개를 넣어 1200 rpm에서 교반시키고 4분 동안 흡착시킨 후 1분 동안 GC에서 탈착시켜 표준검량곡선을 작성하였다. 이 때 검량곡선의 상관계수 값은 0.999이상을 나타내었다. 검출한계는 시료를 분석할 때마다 산출하였는데 평균값이 0.56 ng/mL(${\pm}0.43$)이었으며 회귀식이 존재하는 농도의 범위는 0~40 ng/mL였다. 그 결과 시료 중 벤젠의 함유량은 nd~47.35 ng/mL의 농도의 범위였다. 전체 시료 중 15개의 제품에서 벤젠이 검출되었으며 그 중 5개의 제품에서는 벤젠의 함량이 먹는 물 수질기준인 10 ng/mL를 넘는 각각 16.99 ng/mL, 35.14 ng/mL, 16.03 ng/mL, 47.35 ng/mL, 14.28 ng/mL가 검출되었다.

• 대한지역사회영양학회지
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• 제15권4호
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• pp.429-444
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• 2010

The purpose of this study was to examine the relationship between bone density and dietary intake for college women in their twenties. This study was performed on 160 female college students residing in Gangwon-do. It was conducted using ultrasound measurement of calcaneus bone density, anthropometric checkup and food-frequency questionnaires (FFQ) comprising 94 kinds of commonly consumed foods. Subjects were divided into two groups according to the T-score of bone density: a normal group (n = 113 persons, T-score ${\geq}1$) and a risk group (n = 47, T-score < 1.0). The average age of the subjects was 20.17 years and there was no significant difference between the two groups. Body weight and body fat percentage of the normal group were significantly higher than those of the risk group. The mean daily energy intake of the normal group was significantly higher than that of the risk group. Also, protein, fat, vitamin A, niacin, vitamin B6, folate, calcium, phosphorus, sodium, potassium, iron and zinc intake for the normal group were significantly higher than for the risk group. For the intake of the commonly consumed foods (or dishes) listed in FFQ, the mean daily intake amount of loaf bread, rice cake, potatoes, spicy beef soup, cucumber, seasoned spinach perilla leaves, crown daisy, stir-fried mushroom, sea mustard, beef rib, ham, chicken, mackerel, common squid, drink type curd yogurt, oriental melon and chocolate in the normal group was significantly higher than in the risk group. While, the mean daily intake of ramyun (instant noodle) and carbonated beverage by the normal group was significantly lower than that of the risk group. In conclusion, 20 something female college students showed a higher rate (26.9%) of the bone mineral density risk group (osteopenia or osteoporosis). For the risk group, the levels of nutrient and food intake were lower than in the normal group. Therefore, the bone density risk group needs to increase their nutrient intake and diet quality by increasing the intake of various foods. In addition, they should decrease the intake of foods, which are negative for skeletal health such as instant noodles and carbonated beverages.

• 한국식품영양학회지
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• 제28권1호
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• pp.73-83
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• 2015

The purpose of this study was to investigate the health status and food habits of male college students in Seoul according to drinking habits. In order to identify risk factors, health surveys were conducted from October 2013 to December 2013. Average height, weight, and BMI of subjects were $175.47{\pm}5.27cm$, $67.93{\pm}9.28kg$, and $22.04{\pm}2.67kg/m^2$, respectively. Weight and BMI were higher in the non-drinking groups compared to the drinking groups (p<0.05). Frequency of drinking was 2~3 times per month, and 52.4% of subjects started drinking when starting university. The motivation to start drinking was cited as "From necessity". Reason for drinking was "Social relations". The favorite kind of drink was beer. Rate of taking supplements was 24.4% of the subjects. Vitamin preparations were highest in drinking groups and non-drinking groups (p<0.05). The reasons for skipping meal were "too busy" in the drinking groups, and "oversleep" in the non-drinking groups (p<0.05). The preference for snacking in drinking groups were milk, milk products, and fast food, with the highest being listed first. The non-drinking groups preferred carbonated drinks and ice cream. The drinking groups need more education about their drinking habits. Drinking groups also need an increased intake of vegetables and fruits.

• Nutrition Research and Practice
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• 제14권2호
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• pp.143-151
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• 2020

BACKGROUND/OBJECTIVES: The nutrition of the elderly depends on various factors. Oral health, especially oral dryness, can be an important risk factor. In this study, we attempted to determine whether dry mouth is associated with compromised nutrient intakes. SUBJECTS/METHODS: A total of 120 participants aged 65-86 yrs (mean age: 69 ± 1 y) were included in this study. Demographic and health-related characteristics, living status, meals, number of medications, medical conditions, chewing ability, and quality of life, the Oral Health Impact Profile (the OHIP-14) were assessed. We performed one day 24-hr recall assessment for nutrient analyses. The differences of the means between the dry-mouth and non-dry-mouth groups were analyzed. Elderly subjects with xerostomia-induced dry mouth were classified as those who reported at least one dryness symptom on a questionnaire. RESULTS: A significant difference in population distribution was observed among the elderly who took medications for hypertension, diabetes and osteoporosis and was significantly higher in the dry-mouth group (70.2%) than in the non-dry-mouth group (44.4%) (P = 0.005). Compared with the non-dry-mouth group (50.8%), a significantly higher proportion (73.7%) of participants in the dry-mouth group took multiple medicines (≥ 4 medications) (P = 0.019). The intakes of vegetable fat, vitamin E, folate and water in the dry-mouth group were lower than in the non-dry-mouth group. The intakes of fluoride and ω-3 fatty acids were significantly lower in the dry-mouth group than in the non-dry-mouth group. CONCLUSION: The participants in the dry-mouth group exhibited low nutrient and water intakes. It is recommended that the elderly with dry mouth should drink sufficient water and receive targeted and specific nutritional guidance to prevent malnutrition.

• Journal of Nutrition and Health
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• 제5권3호
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• pp.109-125
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• 1972

According to the Sam-guk Sa-gi (History of three Kingdoms: Silla, Koguryo and Paeckje) tea was first brought into Korea by Kim Tae-ryeum, a diplomat, in 828 A.D. during the reign of king Hung-dot of Silla, and planted on the hill of Mt. Chi-ri. Afterwards, the tea trees were transplanted and cultivated by Buddists in many Buddist temples in southern provinces during the Silla and Koryo dynasties. People took much delight in drinking green tea, and specially the kings, buddist monks and nobilities of Silla and Koryo enjoyed drinking green tea. And eventually, the green tea became an indispensable part in all important ceremonies during the Koryo dynasty. After the Yi dynasty came into being, the dualistic philosophy of China was introduced and respected while buddist temples declined as a result of strong oppression by the ruling class. While temples were declined, the practice of drinking green tea was also declined. Nowadays we find many tea plants grow wild, which are seemed to be planted around buddist temples during the Koryo dynasty. Today, Korean people do not drink home made green tea. Instead, they like to take coffee, black tea and other tea products imported from foreign countries. Aa a result, Korea had to pay $ 520 thousand in 1969 to import foreign made tea and coffee. The natural conditions of southern provinces of Korea are very suitable in cultivating tea plants. If we develope the skill in producing good quality tea in Korea, we would be able to save the foreign exchanges that are being spent for importing foreign made tea products, and at the same time, we would be able to export our green tea to overseas. The quality of Korean green tea is as good as that of Japanese green tea. Green tea contains vitamin C while coffee and black tea do not contain it.

• 대한영양사협회학술지
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• 제6권2호
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• pp.86-96
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• 2000

Food service management without nutrition education in school foodservice is hardly to improve nutritional status of school children. Therefore, this study was attempted to evaluate the effectiveness of nutrition education. The nutrition education was done for 82 5th grade children of 2 elementary school in Inchon. It has been performed for two month from Sep. 6 to Nov. 11, 1999. Also, to evaluate the effects of nutrition education, subjects were taken pretest for food habit, attitude, nutrition knowledge, and dietary intake through the questionnaires. The statistical analysis of data was completed using SPSS program. The results were summarized as follows : 1) The average height and weight for subjects are 141cm and 34.4kg. Most of the subjects had 2 siblings. 83.8% of the subjects has never been taken nutrition education. Otherwise, 85.2% of the subjects responded that they need a nutrition education. 2) For the food habit test results, the posttest mean scores increased. Food habit on vegetables showed significant difference between pretest and posttest(p<0.05). 3) The attitude test did not show the significant difference between pretest and posttest. 4) For the nutrition knowledge test result, the pre and posttest means were 47.59 and 57.12 respectively(p<0.001). 5) The correlations of food habit, attitude, and nutrition knowledge was positive relationship between food habit and attitude in the pre and posttest. 6) Intake frequency of foods increased for the most foods except meat, egg, milk, and drink as compaired pretest with posttest. Cereal, fish, and oil intake was significantly increased. 7) The intakes of most nutrients were increased, among which carbohydrate, fiber, calcium, and vitamin C intakes significantly different after education. The education period of this study was too short to improve their eating behavior and food choice and may need a long-term education and development of materials for nutrition education.

• 대한영양사협회학술지
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• 제7권3호
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• pp.267-273
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• 2001

The purpose of this study was to investigate the relationship between alcohol consumption and nutritional status of university male freshman in Chungnam area. The total of 111 subjects took part in the study and, they were observed general characteristics, alcohol consumption status, and nutrient intake using questionnaires. The mean age, height, weight, and BMI of the subjects were 19.3 years, 174.3㎝, 65.2㎏, and 21.5㎏/$m^2$ respectively. The mean alcohol consumption, and energy intake from alcohol were 7.8g/day, 55.3kcal/day. A significant number of subjects(48.2%) answered their frequency of alcohol consumption was once 2 weeks. Only 4.6% of subjects answered never drink. In almost subjects, alcohol consumption have been stared since they were adolescents, and major type of alcoholic beverage was 'soju'. The mean energy intake was 1985.6kcal and, energy ratio from carbohydrate, protein, fat was 58 : 15 : 27. There were significantly positive correlation among alcohol consumption and, body weight(p<0.05), intake of food, (p<0.05), energy(p<0.001), animal fat(p<0.05), fiber(p<0.05), vitamin $B_2$(p<0.05) and niacin(p<0.05). The alcohol consumption period showed a significantly positive correlation with alcohol consumption per one time(p<0.05). In summary, high consumption of alcohol in subjects was observed. Also, increase of alcohol consumption was related to weight gain and nutritional imbalance. Therefore, it is need that nutrition education for prevention of high alcohol consumption in university freshman and adolescents.

• 대한지역사회영양학회지
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• 제18권1호
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• pp.55-64
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• 2013

This study was conducted to investigate the effect of nutrition education on improving dietary attitudes, food habits and Food Frequency of 32 female shift workers by administering questionnaires. Dietary nutrient consumption data were obtained from the female shift workers by using 1 day 24-hr recall. The results were as follows: Score on 'Concerns about health (p < 0.05)' was significantly higher after-training. Dietary attitude (32.3 vs. 34.9, p < 0.01) and food habits (60.2 vs. 67.1, p < 0.01) were significantly higher after the training. Scores on 'Eating a lot of food that I want to eat is more important than nutrition (p < 0.01)', 'I have a tendency to use instant foods when I am busy (p < 0.01)', 'I am interested in information on nutrition and health (p < 0.01)' were significantly higher after the training. Scores on 'I have three meals a day (p < 0.001)', 'I have breakfast regularly (p < 0.01)', 'I take vegetables other than kimchi at every meal (p < 0.01)', 'I drink milk every day (p < 0.001)', 'I eat fruits every day (p < 0.01)', and 'I apply nutrition knowledge to daily life (p < 0.001)' were significantly higher after the training. Protein (p < 0.05), fiber (p < 0.05), vitamin C (p < 0.01), and calcium (p < 0.001) intakes were significantly higher after the training. These results showed that nutrition education had improved the dietary attitudes, food habits, and nutrient intakes. Therefore, we conclude that providing more systematic and appropriate nutrition education to shift workers during their tenure of office period is likely to improve dietary attitudes, food habits, and nutrient intakes.

• 디지털융복합연구
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• 제21권1호
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• pp.29-34
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• 2023

본 연구의 목적은 국민건강영양조사(2021년)에서 만 6-29세 그룹이 스포츠음료 및 에너지음료 섭취빈도와 유산소 신체활동 간의 관련성을 알아보고자 하였다. 대상자의 사회인구학적 특성, 유산소 신체활동, 음료 섭취 정도는 복합 표본 기술통계로 산출하고, 집단 간 평균 차이는 교차분석, χ²-test, 이분형 로지스틱 회귀분석을 시행하였다. 고강도 유산소 활동이 스포츠음료(이온음료, 비타민음료)와 에너지음료(고카페인 음료) 섭취 빈도가 증가함으로 분석되었다(p<0.05). 중강도 유산소 신체활동에 비해 고강도 유산소 신체활동이 음료의 섭취 빈도 증가에 영향을 주는 요인으로 분석되었다. 본 연구를 바탕으로 신체활동과 음료 섭취 사이의 중요한 요소를 확인하고, 건강증진을 위한 중재 프로그램을 개발하는 데 목적을 두고 있다. 이를 통해 건강한 삶을 살 수 있도록 돕는 기초자료를 마련하고, 개인 및 사회적 관심을 높이고자 하였다.

• 한국산림과학회지
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• 제84권4호
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• pp.415-423
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• 1995

본(本) 연구(硏究)는 한국산(韓國産) 고로쇠나무(Acer mono Max.) 수액(樹液)을 대상(對象)으로 화학적(化學的) 성분(成分), 영양학적(營養學的) 가치(價値), 인삼(人蔘) saponin의 존재여부(存在與否)를 구명(究明)하기 위하여 실시(實施)하였다. 1994년(年) 2월(月) 25일(日)부터 3월(月) 4일(日) 사이에 전남(全南) 백운산(白雲山)과 지리산(智異山)에서 지상(地上) 50cm 높이 이내(以內)의 수간(樹幹)에 작경(直徑) 1.7cm의 구멍을 뚫고 수액(樹液)을 채취(採取)하여, 당류(糖類)는 high performance ion chromatography(HPIC), 아미노산(酸)은 자동분석기(自動分析器), saponin과 phenol은 thin layer chromatography(TLC)와 high performance liquid chromatography(HPLC)로 분석하고, saponin 분획물질을 $^1H$ 및 $^{13}C$ NMR로 구조를 추적하였다. 단백질(蛋白質), 지방(脂肪), 무기원소(無機元素), 비타민의 함량(含量)도 정량((定量)하였다. 수액(樹液)의 주성분(主成分)은 사당(砂糖)으로써 0.68-2.01% 농도(濃度)로 존재(存在)했으며, 포도당(葡萄糖) 0.03-0.11%, 과당(果糖) 0.01-0.03%, 지방(脂肪) 0.03%이었으며, 아미노산(酸)중에서 threonine 0.152%, lysine 0.038%, arginine 0.068%으로 나타났다. 회분(灰分)은 0.1%, Ca 175ppm, Fe 2ppm, P 19ppm, K 16ppm, Na 31ppm이고, vitamin $B_1$ 0.6ppm, vitamin $B_2$ 0.1ppm, vitamin C 19ppm이었다. phenol류(類)가 미량(微量)으로 검출(檢出)되었으며, saponin은 TLC와 HPLC, NMR 분석에서 모두 존재(存在)를 확인(確認)할 수 없었다. 비교치(比較値)로 분석(分析)한 당단풍나무의 수액(樹液)은 고로쇠나무와 비슷했으며, 거제수나무와 자작나무의 수액(樹液)에서는 사당(砂糖)대신 포도당(葡萄糖)과 과당(果糖)이 검출(檢出)되었다. 고로쇠나무의 수액(樹液)은 사당(砂糖), 포도당(葡萄糖), 과당(果糖), 아미노산(酸), 칼슘, 철분(鐵分) 그리고 세 가지 비타민류(類)가 포함(包含)되어 있어서 자연음료(自然飮料) 혹은 건강음료(健康飮料)로써 충분한 영양학적(營養學的) 가치(價値)를 가지고 있다고 판단된다.