• Applied Biological Chemistry
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• 제22권1호
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• pp.58-63
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• 1979

담배향기성분에는 영향을 미치지 않고 엽중(葉中)의 nicotine이 용매추출(溶媒抽出)로서 제거되는 효과를 규명하고 연기중의 tar, nicotine함량(含量) 및 무처리(無處理)와 처리(處理) 담배에 대한 이화학성(理化學性)을 시험하여 다음과 같은 결과를 얻었다. 1) 3%알콜추출로 황색종잎담배의 전질소함량은 36.4%가 감소(減少)되었고 당(糖)은 감소(減少)되지 않았다. 2) 용액의 침지시간이 길수록 엽중(葉中)이 nicotine함량(含量)은 감소(減少)되었고 산성용액이나 알칼리성용액을 첨가한 용액에서도 대체로 같은 결과를 얻었다. 3) 열중량분석(DTG)골선은 담배성분중 $150^{\circ}{\sim}350^{\circ}C$에서 분해(分解)되거나 휘발되는 성분이 추출되었음을 나타냈다. 4) 3% 알콜용액 추출에서 (1) filling power는 황색종과 burley 각각 10%와 24%의 개선효과(改善效果)가 있었으며, (2) 연소성(燃燒性)은 burley와 황색종담배에 각각 3분과 2분이 단축되었으며, (3) nicotine의 감소율(減少率)은 burley와 황색종 담배에 각각 61.5%와 54.5%이었고, (4) tar의 감소율(減少率)은 burley와 황색종 담배에 각각 23%와 15%이였다.

• 농촌의학ㆍ지역보건
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• 제7권1호
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• pp.66-73
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• 1982

Paragonimus westermani is one of the most popular endemic parasitic diseases in Korea. The nation-wide prevalence survey were carried out by Gobayashi (1921) with sputum examination and by Walton and Chyu (1959) with the intradermal skin test respectively. Recent studies showed the decline of positive rate in intradermal skin test of the local inhabitants and also showed the less distribution of intermediate host. The fact seemed that caused by economic improvement of village people, decrease of intermediate host by increasing use of pesticides, becoming lower water level at streams and rivers and better irrigation and finally by better community health education etc. Gangwha area of Gyeonggi-Do was found out as an endemic area of Paragonimus westermani through some studies in the past, however, in the vicinity area of Gangwha, the study in Kyodong island (myon) was carried out in 1965 by Yun et al. Therefore author carried out the intradermal skin test for 2,380 students of primary, middle and high school in Kyodong island and Samsan island. The results showed as follows : 1) The positive rate of intradermal test for paragonimus westermani infection showed positive in 152 among 1,845 students (8.2%) in Kyodong island, and 21 among 637 students (3.3%) in Samsan island respectively. 2) According to grade levels, 49 among 973 students (5.0%) in primary school, 62 among 962 students (6.4%) in middle school and 53 among 445 students (11.9%) in high school showed positive rate. This showed the higher grade the higher positive rate. 3) Among these total 164 positive cases in the intradermal skin test, only in 3 cases eggs were found in sputum. 4) Finding out the intermediate host, only 28 crayfishes from Kyodong island and 12 from Samsan island were collected and examined for metacercaria infection, however, none of metacercaria was found. 5) As a control group, 2 primary schools from the main island were selected. In these schools from the sixth grade students showed positive rate of 4.8% in Naega primary school and 0% in Hajeom Primary school respectively. Those results showed much decrease than studies carried out in the past. 6) The survey for food habit showed that 15 among 1,274 students (1.2%) had experiences of eating raw intermediate host(crayfish) and 266 among 988 students (27.0%) ate cooked.

• 한국지역사회생활과학회지
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• 제17권1호
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• pp.123-139
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• 2006

The purpose of this study is to search how to promote health and improve nutrition and health care of the elderly people in rural area. Behaviors for health promotion and habits against health risk were surveyed. Dietary management was analyzed for surveyed nutrient intake by 24 hr -recall method. 242 subjects were collected in 12 cities or counties in Gyeonggi Province and 20 elderly people (10 male and 10 female) were selected out of 1 village in each district. Questionnaire for health behavior and dietary management was carried out by trained interviewers. Statistical analyses were made by SAS (version 8.1) and Chi-square tests and General Linear Models were used. Characteristics of the elderly people were 61-74 year-olds (68.2%), elementary school educated (78.4%), with spouse (51.7%), monthly living cost of 500-1,000 thousand won(43.4%), and monthly pocket money of 50-100 or 100-200 thousand won(33.5%, 26.5%). 41.4% of the subjects checked up medical examination regularly. The alcohol drinking status was significantly different according to gender: high no-drink rate of female (52.5%) and low no-drink rate of male (25.6%). Kinds of disease were different according to gender: higher proportion of cardiovascular disease(46.3%) and diabetes mellitus(8.1 %) in male and joint lumbago neuralgia(44.4%) and osteoporosis(8.6%) in female. Gastrointestinal complaints were nausea (69.0%) and chronic indigestion (17.8%). Constipation (12.0%) and vomiting (4.3%) were more frequent in female. Dietary management was good (3 meals per day: 93.4%., dining with family: 72.4%, regular mealtime: 72.4%, and 3-4 times of snacks per week: 44.9%) except side dish taking of 3-4 kinds only. However, almost one-third of the female elderly ate alone (30.6%) which was well compared with one-fifth of the male (19.7%). And food and nutrients intake were not significantly different according to gender except that male elderly's intake of energy and protein was lower than that of female's. The surveyed subjects had no difficulties in Activities of Daily Living (ADL), but some female elderly had some difficulties with Instrumental Activities of Daily Living (IADL) like working at home, using transport, and going shopping. These results suggest that low quality of life linked with low economic status of the rural elderly and that congregate meal at village hall would be required for the female elderly eating alone. For the undernourished male elderly, it would be needed to provide snacks and to establish nutrition and health surveillance system.

• 보건교육건강증진학회지
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• 제21권2호
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• pp.35-54
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• 2004

This study was intended to provide basic data of nutrition education to a prevention of obesity and living patterns of elementary school students. Through the measurment of the actual obesity rate of children for students who were in the fifth and sixth grades of elementary school as well as their mothers, and by analyzing obesity-related factors. Children have started to have the characteristics obesity and obesity problems. 1. There were total 234 children including 133 boys (56.8％) and 101 girls (43.2％) for the study. There were 80 children in the fifth grade (34.2％) and 154 children in the sixth grade (65.8％). 2. Among the subjects 20.1％ were obese. By gender, the obesity rate of boys (27.1％) was higher than that of girls (l0.9％)(p＜0.01). By grade, children in the fifth grade (26.3％) had higher obesity rate than children in the sixth grade (l6.9％)(p＜0.05). 3. In terms of the educational level of parents, the obesity rate of children of parents who received university and／or higher education was 27.5％ (p＜0.05). 44.1％ of parents answered ‘I almost never give snack’s’(p＜0.01). 4. There was 32.8％ for an irregular quantity of meal. There was no obese child who under-ate (p＜0.05). In terms of impulse eating, ‘I eat.’ and ‘I don't eat.’ were 24.4％ and 25.9％ respectively. The obesity rate of the case of ‘I eat only food I like.’ was 10.6％ (p＜0.05). In terms of the obesity rate based on the daily average meal frequency, there was the highest rate of 26.1％ for I average meal frequency per day, 13.0％ for 2 daily average meal frequency, and 7.4％ for over 3 average meal frequency per day (p＜0.05). For a degree of a physical activity, the group of active physical activity (p＜0.05) and the group which liked the physical exercise showed a lower obesity rate (p＜0.001). The obesity rate of children who had regular exercise was 11.8％. It was lower than the obesity rate (24.8％) of children who didn't exercise (p＜0.01). The higher exercise frequency per week was, the lower the obesity rate was(p＜0.01). In terms of the exercise time, there was 8.3％ for over 60 minutes and 28.9％ for less 15 minutes. The group which had the long exercise time showed a lower obesity rate(p＜0.05). As the result, the education for obesity must enable students to recognize the warning signs for obesity and control their own weight with proper living patterns, by modifying behaviors considering the degree of obesity. Obesity must be controlled by the prevention and education connected with the family for all students as one of the school health programs. There must be also the development of a program through individual consultation considering the degree of obesity.

• 대한지역사회영양학회지
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• 제24권6호
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• pp.465-475
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• 2019

Objectives: This study investigated dietary and lifestyle factors associated with the weight status among Korean adolescents in multicultural families. Methods: This cross-sectional study analyzed 1,751 multicultural families' adolescents who participated in the 2017-2018 Korea Youth Risk Behavior Surveys. Information on dietary and lifestyle factors was self-reported using a web-based questionnaire and this information included breakfast and foods consumption, perceived health status, alcohol drinking, smoking, physical activity, and weight control efforts. Body mass index (BMI) was calculated based on the self-reported height and body weight (kg/㎡). Weight status was assessed according to the 2017 Korean National Growth Chart: underweight (weight-for-age <5^th percentiles), overweight (85^th≤ BMI-for-age <95^th percentiles), and obese (BMI-for-age ≥95^th percentiles). Multiple logistic regression analysis was performed to examine the dietary and lifestyle factors associated with weight status after adjustment for covariates. Results: Among Korean adolescents from multicultural families, the prevalence of overweight/obesity was 20.9%, whereas about 7% of adolescents were underweight. The weight status did not show differences according to gender, school level, area of residence, and household income. Compared to adolescents who did not have breakfast during the previous week, those who had breakfast 3-4 days/week and ≥5 days/week had a 42% (p=0.021) and a 37% (p=0.009) lower prevalence of overweight/obesity, respectively. The adolescents who frequently consumed carbonated soft drinks (≥5 times/week) showed an odds ratio (OR) of 1.69 (95% CI=1.01-2.83) for overweight/obesity relative to those adolescents who did not consume carbonated soft drinks. The OR of being underweight for adolescents who ate fast food ≥3 times/week was 1.97 (95% CI=1.04-3.71) compared to those adolescents who had not eaten fast food during the previous week. Conclusions: Dietary and lifestyle factors were associated with overweight/obesity as well as underweight among Korean adolescents in multicultural families. Our findings could be used to design and provide nutrition interventions for this specific population.

• 한국가정과교육학회지
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• 제21권4호
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• pp.19-33
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• 2009

본 연구는 강원도 원주 지역에 소재한 3개 중학교에 재학하는 1, 2학년 454명을 대상으로 패스트푸드 섭취 빈도에 따른 패스트푸드의 이용 태도, 패스트푸드에 대한 인식, 식습관, 건강관련 사항 등을 파악하기 위해 설문지를 이용하여 조사하였다. 대상자 중 패스트푸드 자주 섭취군(주 1회 이상)은 29.5%, 보통 섭취군(한 달에 2~3회 정도)은 50.7%, 비섭취군(한달에 1회 이하)은 19.8%로 분류되었다. 패스트푸드를 먹는 목적으로 '간식용'의 비율은 자주 섭취군과 보통섭취군이 비섭취근에 비해 유의하게 높았고, 패스트푸드에 관한 개선점으로 세 군 모두 저렴한 가격과 덜 기름진 음식을 희망하였다. 패스트푸드에 대한 인식에서 자주 섭취군, 보통 섭취군은 비섭취군에 비해 패스트푸드가 배고픔 해소에 도움을 준다고 인식하였으며, 패스트푸드의 섭취 빈도가 많을수록 패스트푸드를 쉽게 사 먹을 수 있고, 메뉴가 다양해 질리지 않는 것으로 인식하였다. 또한 패스트푸드 비섭취군은 자주 섭취군, 보통 섭취군에 비해 식사량이 적당하고, 여러 가지 다양한 식품을 섭취하고 있었으며, 밥, 채소류, 과일류, 단백질, 우유 및 유제품, 해조류의 섭취가 더 많았다. 건강이상 증상 조사에서 자주 섭취군과 보통 섭취군은 비섭취군에 비해 졸음이 오고, 손발이 차고, 피부가 거칠은 증상을 더 자주 느꼈다.

• 대한지역사회영양학회지
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• 제11권1호
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• pp.3-13
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• 2006

The purpose of this study is to estimate the nutrient intakes and food habits among preschool children in Kyungjoo city. The subjects were 210 preschool children, aged 4 - 6 years. Measurements of the weight, height, chest circumference, and head circumference of the children were conducted. And general home environment and factors related to eating habits for preschool children were collected using a questionnaire that included information about family income, parents' education and occupations. The average weight-length index (WLI) for the subjects was $103.9\%$. Using the WLI, $20.0\%$ of the preschool children were underweight, $48.6\%$ were normal, $19.0\%$ were overweight, and $12.3\%$ were obese. On the R$\ddot{o}$hrer index, $13.8\%$ of the preschool children were underweight, $38.5\%$ were normal, and $47.7\%$ were over weight or obese. The average daily intake ($\%$ of RDA) of energy and each nutrient was 1323.5 kcal ($81.3\%$), Ca 484.3 mg ($80.7\%$), Fe 7.05 mg ($88.1\%$), vitamin A 420.0 RE ($105\%$), vitamin $B_{2}$ 0.76 mg ($95.0\%$), vitamin $B_{2}$ 0.87 mg ($87.0\%$), and vitamin C 53.1 mg ($106.2\%$) , respectively. In particular, older subjects had lower intake in RDA $%$ of calcium and iron. The energy intake ratio from snacks was much higher than the recommended level of the preschool children. With regard to frequency of regularity of breakfast, $1.9\%$ of preschool children skipped every morning and $7.6\%$ of the children skipped more than 5 per week. With regard to the intake frequency of vegetables, fruits, complex carbohydrates, and milk, $13.3\%$, $19.9\%$, $22.8\%$, and $41.8\%$ of the children ate more than 5 times per week. The eating habit score was positively correlated (r = 0.18, P < 0.05) with household income. This study suggests that nutrition education to increase fruit and vegetable consumption for preschool children should be emphasized. Also a nutrition education program is needed to enhance consuming calcium and iron intake for adequate growth.

• 한국식생활문화학회지
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• 제20권1호
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• pp.44-52
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• 2005

This study was conducted to investigate Korean youths' use of fastfood and family restaurants in different regions, especially among cities and rural towns. Total 1,600 questionnaire surveys were distributed to Junior high and Senior high school students and 1,487 were used for the analysis. In order to consider regional differences as well as overall characteristics of youths' fastfood and family restaurant visiting behaviors, the subjects were evenly sampled from north Seoul, south Seoul, big cities, middle/small cities and small towns. As for the frequency of visiting fastfood restaurants, 58.3% of the respondents answered 'once to five times' a week. South Seoul area showed the highest frequency. 'Easiness' was the main reason of eating fastfood, which was up to 57.8% of the overall respondents while 42.8% of the small town youth ate fastfood because of the 'good taste.' As for the concepts on fastfood, 42.7% understood it as 'easy to eat' while 33.6% responded as 'easy to get fat.' For the question of getting channel of fastfood information, 44.8% answered 'TV' and 28.3% responded 'from friends.' Coupons were found to affect fastfood restaurant visits, highest in south Seoul, and lowest in small cities. For the question of the relationship of Koreanized menus and fastfood restaurant visits, small towns showed the highest frequency, while South/North Seoul had the lowest frequency. For the percentage of visiting family restaurants, respondents answered in the order of South Seoul(59.7%), North Seoul(44.5%), Big cities(39.5%), small cities(19.4%), and small towns(13.1%). Most of youth visited family restaurants because of the taste, while youths of middle/small cities visited due to the atmosphere. The effect of coupons on visiting family restaurants were found to be lower than the one of fastfood restaurants. Korean youths were found to visit fastfood restaurants very frequently in all regions and the tendency of visiting family restaurants is also increasing. At this point, balanced menus and education for healthy eating habits are urgently needed for the youth.

• 한국식품위생안전성학회지
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• 제21권3호
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• pp.136-144
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• 2006

본 연구에서는 초등학교 급식에서 잠재적 위해식품을 포함한 급식메뉴의 기호도와 섭취현황을 분석하였다. 3주 동안의 메뉴에서 고단백음식과 생야채 또는 조리된 야채 메뉴, 과일 등을 잠재적 위해식품 1과 2로 각각 명시하였다. 세 곳 초등학교에서 10세에서 12세 학생들을 대상으로 학생들에게 그날의 급식을 얼마나 먹었는지, 어떤 음식을 가장 선호하는지, 좋아하지 않는 음식은 무엇이며, 왜 그 음식을 좋아하지 않는지 등을 설문 조사하였다. 학교 간, 학년 간, 성별간의 음식섭취량에 유의적 차이가 있는지를 SPSS을 사용하여 카이제곱 검정을 하였다. 결과에 따르면, 학생들은 적어도 급식을 통해 하루에 두 종류의 잠재적 위해식품군에 노출되는 것으로 나타났다. 조사대상자의 89%와 82%의 학생들이 잠재적 위해식품 1과 2를 각각 100% 다 섭취하는 것으로 나타났다. 또한 학교와 요일에 따라 학생들의 음식섭취량에는 유의적 차이를 나타내었다. 학생들은 고단백식이, 특히 미트볼조림, 돼지고기, 닭고기 바베큐를 선호하고 섭취 또한 많이 하는 것으로 나타났다 이번 연구 결과는 학교급식에서의 식중독 위험성을 감소하기 위해서는 급식 메뉴에서 잠재적 위해식품과 관련된 위해요소를 관리할 수 있는 방법 또는 공정의 필요성을 시사한다.

• 대한치과교정학회지
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• 제31권6호
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• pp.579-587
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• 2001

구개열에 대한 유병률과 분자생물학적 방법으로 연구가 지속되어 왔고, 원인 요소에 많은 연구가 수행되어 왔다. 많은 연구방법중 분자생물학적 방법은 구개열 연구에 중요한 방법으로 고려 된다. 구개 형성에 여러성장 요소가 관여하는데, 그중 $TGF-\beta$는 세포이주, 상피-간엽 형질 전환, 세포외 기질 합성과 축적에 관여한다. 구개열 연구중에 beta-aminonitroproprionitrile (BAPN)을 이용하여 구개열 형성 백서와 $TGF-\beta$ 발현 양상과의 상관성에 대한 연구는 수행되지 않았다. 이 연구는 임신 10일째 백서 4마리를 구입한 후, 그 중 3마리에 BAPN을 1g/kg body weight비율로 구강투여하고 임신 20일째 희생하여 구개열 태자와 정상 태자에서 $TGF-\beta$ 발현 양상을 면역조직화학염색과 Western blot 분석을 시행하여 다음과 같은 결과를 얻었다. 1. 면역조직화학염색 결과 구개열 백서의 골아세포와 간엽조직에서 $TGF-\beta$ 발현 양상은 대조군과 비교할 때 낮은 활성을 보였다. 2. 구개열 백서의 골세포에서 $TGF-\beta$ 발현 양상은 대조군과 유의한 차이는 보이지 않았다. 3. Western blot 분석결과 구개열 백서의 상악에서 $TGF-\beta$ 발현은 대조군의 상악에 비해 밴드가 약하게 발현되었다.