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강명화,최미경,Kang, Myung-Hwa,Choi, Mi-Kyeong 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.4
The purpose of this study was to compare the quantitative and qualitative assessment of dietary intake between patients with metabolic syndrome (MetS) and healthy subjects and to investigate dietary factors related to MetS. Anthropometric measurements, blood analysis, and dietary intake as assessed by 24-hour recall were conducted in MetS patients (n=15) and healthy subjects (n=25). In order to assess the quantity and quality of dietary intake, daily nutrient intake, nutrient density, nutrient intake to dietary reference intake (DRI), nutrient adequacy ratio (NAR), food intake, dietary diversity score (DDS), and dietary variety score (DVS) were analyzed. The statistical differences between MetS patients and controls were analyzed using the SAS software program. Daily energy intake and food intake were not significantly different between the two groups (2,154.3 kcal vs. 1,872.9 kcal; 1,280.0 g vs. 1,261.6 g). There were also no significant differences in daily nutrient intake, nutrient intake ratio to DRI, NAR, or DVS between the MetS group and the control group. However, daily intake of eggs and milk in MetS patients was significantly lower than in the control group (9.0 g/day vs. 30.3 g/day, p<0.05; 0 g/day vs. 49.7 g/day, p<0.05). These results indicate that low intake of eggs and dairy products may be related to the development of MetS.
충남지역 일부 초등학생과 중학생 중 아침결식군과 아침식사군의 식행동과 열량 및 영양소 섭취 상태 평가
강명화 ( Myung Hwa Kang ),최미경 ( Mi Kyeong Choi ),김미현 ( Mi Hyun Kim ) 대한영양사협회 2011 대한영양사협회 학술지 Vol.17 No.1
The purpose of this study was to evaluate the dietary behaviors as well as energy and nutrient intake in elementary and middle school students according to breakfast eating status. The survey was conducted using questionnaires and dietary records among 191 elementary school students and 280 middle school students residing in Chungnam. The subjects were divided into two groups according to frequency of eating breakfast: breakfast skipping (frequency of eating breakfast under 4 times/week) and breakfast eating (frequency of eating breakfast over 5 times/week). The rate of breakfast skipping was 27.2% for the elementary school students and 31.1% for the middle school students. The breakfast skipping group had a significantly lower frequency of having dinner, a lower proportion of eating at regular meal times, and a significantly higher frequency of leaving food after meals than the breakfast eating group for both elementary and middle school students. In the case of the elementary students, there was a significant difference in carbohydrate intake between the two groups. In the case of the middle school students, the intakes of energy, protein, carbohydrate, dietary fiber, vitamin A, vitamin B2, niacin, vitamin B6, folate, vitamin C, Ca, and Fe in the breakfast skipping group were significantly lower than those in the breakfast eating group. These results show that nutrient deficiencies among breakfast skipping individuals cannot be compensated for at the other meals during the day in middle school-aged adolescents whose nutrient requirements are high for growth. Therefore, in support of proper dietary management, it is necessary to promote and support breakfast eating in adolescents.
충남 일부지역 초등학생의 영아기 영양법에 따른 식습관과 영양섭취상태
강명화(Myung-Hwa Kang),최미경(Mi-Kyeong Choi),김현진(Hyun-Jin Kim),배윤정(Yun-Jung Bae) 한국식품영양과학회 2015 한국식품영양과학회지 Vol.44 No.1
본 연구에서는 초등학생들을 영아기 영양법에 따라 모유영양군, 인공영양군, 혼합영양군으로 분류하여 영아기 영양법에 따른 식습관과 영양 섭취 상태를 비교?분석함으로써 영아기 영양법이 이후의 식사법에 미치는 영향을 살펴보고자 하였으며, 그 결과는 다음과 같다. 전체 조사대상자의 평균 연령은 9.7세였으며, 신장, 체중, 체질량지수는 각각 139.0cm, 34.6 kg, 17.8 kg/m2로 영아기 영양법에 따른 군간 유의한 차이가 없었다. 영아기 영양방법에 대해 조사한 결과 초유를 섭취한 비율은 모유영양군 97.2%, 혼합영양군 92.7%로 인공영양군의 40.9%보다 유의하게 높았으며(P<0.001), 이유 시기 및 첫 이유 식품에서 세 군간 유의한 차이는 보이지 않았다. 또한 식습관 조사 결과 간식을 전혀 먹지 않는다는 비율은 모유영양군 10.0%, 인공영양군 9.4%로 혼합영양군의 3.8%보다 유의하게 높았으며(P<0.05), 식사 및 외식 빈도 등은 군간 유의한 차이를 보이지 않았다. 총 식습관 점수와 에너지 및 영양소 섭취량은 영아기 영양법에 따른 군간 유의한 차이를 보이지 않았다. 이상의 연구 결과를 종합하여 볼 때 성장기 아동에서 영아기 영양법에 따라 간식 섭취 빈도, 우유?유제품 및 채소 섭취 정도 등과 같은 식습관이 다른 것으로 나타났으며, 추후 영아기 영양법에 따른 성장, 건강, 식습관 및 식사섭취상태 등에 대한 장기적인 추적조사가 필요할 것으로 사료된다. The purpose of this study was to examine dietary habits and nutrient intakes according to feeding method during infant period in elementary school students. Subjects were 1,251 elementary school students. Subjects were divided into three groups, breast-fed group (N=508), formula-fed group (N=397), and mixed group (N=346), according to feeding method during infant period. The questionnaire was composed of general characteristics, dietary conditions during infant period, dietary behaviors, and dietary intakes and was completed by children and children"s parents. Average age, height, weight, and body mass index were 11.6 years, 139.0 cm, 34.6 kg, and 17.8 kg/m2, respectively. The formula-fed group showed a smaller proportion of subjects with colostrum feeding (P<0.001) compared to the breast-fed and mixed groups. Frequency of eating snacks was significantly higher in the mixed group than in other groups (P<0.05). There was no significant difference in dietary habit total score and nutrient intakes according to feeding method during infant period. Feeding method in during infant period was associated with dietary habits (milk and vegetable intake habits) up to growth period of elementary school. A longitudinal and systematic study is needed to clarify this relationship.
강명화(Myung-Hwa Kang),류수노(Su-Noh Ryu),방진기(Jin-Ki Bang),강철환(Chul-Hwan Kang),김동휘(Dong-Hwi Kim),이봉호(Bong-Ho Lee) 한국식품영양과학회 2000 한국식품영양과학회지 Vol.29 No.2
국내산과 국외산 참깨의 이화학적 특성을 파악하기 위해 일반성분 분석, 지방산 조성, 무기질 함량(Ca, K, Mg, Na) 및 세사민과 세사몰린 함량를 분석한 결과를 요약하면 다음과 같다. 한국산, 중국산, 수단산 참깨의 일반성분 분석 결과 조단백질 함량과 기름양에서 수단산이 약간 높게 나타났다. 올레산과 리놀산을 합한 총 양질 불포화 지방산은 한국산 88.48%, 중국산 84.97%, 수단산 86.39%로 한국산 참깨가 양질의 지방산을 다량 함유하였다. Ca, K, Na, Mg 성분 분석 결과 한국산 참깨는 Mg이 중국산 참깨는 Ca 함량이 높게 나타났다. 참깨 종실과 탈지박 간에 무기 성분에는 유의적인 차이가 없었다. 참깨 중 세사민과 세사몰린 성분 분석 결과 한국산 참깨가 중국산과 수단산보다 유의적으로 높은 수준이었다(p<0.05). 참깨의 일반성분 분석 결과 한국산, 중국산, 수단산 참깨간에는 미미한 차이였지만 세사민과 세사몰린과 같은 특수성분에서 한국산이 유의적으로 높은 수준(p<0.05)으로 나타나 이화학적 특성이 우수할 것으로 생각된다. To obtain basic information for the quality evaluation, the introduced or domestic sesame seeds were investigated to measure proximate components (crude protein, ash, mineral and oil) and isolated by preparative HPLC system for lignan contents. Although crude protein contents were the highest in Sudan sesame seeds, lipid, ash and mineral contents were not significantly (p<0.05) different between introduced and domestic sesame seeds. Unsaturated fatty acids such as oleic and linoleic acids were the highest in the domestic sesame seeds. The Mg content of domestic sesame seeds also was larger than that of introduced sesame seeds. A Ca content of domestic sesame seeds, however, was significantly (p<0.05) lower than that of China. Lignan contents, the most important component known as antioxidant, were significantly (p<0.05) higher in domestic sesame seeds than other sesame seeds tested. Our findings suggest that domestic sesame seed has the best quality in terms of the functional components.
강명화(Myung-Hwa Kang),박춘근(Chun-Geon Park),차문석(Moon-Seok Cha),성낙술(Nak-Sul Seong),정혜경(Hae-Kyung Chung),이제봉(Je-Bong Lee) 한국식품영양과학회 2001 한국식품영양과학회지 Vol.30 No.1
감초부산물을 조건을 달리하여 추출하고, 그 추출물을 동결건조 시켜 추출물의 고형분 함량, 페놀함량, 유리당 함량, 글리시리진 함량 및 추출액의 항산화 효과를 측정하였다. 수율은 교반 15.6%, 진탕 15.0%, 정치 5.3% 로 나타났고 총 페놀함량은 교반 11.21 mg/100 mL, 진탕 11.33 mg/100 mL, 정치10.15 mg/100 mL였다. 지표성분인 글리시리진 함량은 교반2.79%, 진탕 3.54%, 정치 0.63%로 진탕시 글리시리진 추출효율이 높았다. 감초 추출물의 주요 유리당은 fructose, glucose, sucrose 및 maltose로 나타났고 특히 과당이 높았다. 이들 추출물의 lecithin 산화 억제 효과 측정 결과 교반에 의한 추출물에서 높은 항산화 효과를 나타내었다. Solid contents, free sugars, phenolic compounds and glycyrrhizin of extracts obtained from by-products of Glycyrrhizia uralensis by three different methods, i.e., shaking, heating, and static methods, were determined. Solid contents of extracts obtained by shaking, heating and static method were 15.6%, 15.0% and 5.3%, respectively. Phenolic compound contents of them were 11.33 mg/100 mL, 11.21 mg/100 mL and 10.15 mg/100 mL. Main free sugars in the extracts from the by-products of G. uralensis were fructose, glucose, sucrose, and maltose. Glycyrrhizin content of the extracts from the by-products of G. uralensis were 2.79%, 3.54% and 0.63%, respectively. Extract obtained by the shaking methods had an ability of donating electron to DPPH. The relative antioxidant effects of the extract obtained from the shaking method showed 70% inhibitory effect of peroxidation on egg yolk lecithin.