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유통 건고추 및 고춧가루의 아플라톡신 B<sub>1</sub>과 오크라톡신 A 오염도 조사
제갈승,김지형,주광식,정세진,나현주,조남규,이제만,김용희,Jegal, Seung,Kim, Ji-Hyeung,Joo, Gwang-Sig,Jung, Se-Jin,Na, Hyeon-Ju,Jo, Nam-Gyu,Lee, Jea-Man,Kim, Yong-Hee 한국식품위생안전성학회 2013 한국식품위생안전성학회지 Vol.28 No.3
2012년 2월부터 11월까지 인천 지역에서 유통된 건고추 및 고춧가루 193건을 대상으로 아플라톡신 $B_1$과 오크라톡신 A의 오염도를 조사하였다. Immunoaffinity column 및 HPLC를 이용한 시험법은 모두 80% 이상의 회수율을 보였고, 아플라톡신 $B_1$ 및 오크라톡신 A의 검출한계는 각각 0.13 ${\mu}g/kg$, $0.30{\mu}g/kg$였다. 오염도 조사를 한 결과 아플라톡신 $B_1$은 17.1%의 검출율을 보였고 오크라톡신 A는 20.7%의 검출율을 보였으며, 아플라톡신 $B_1$의 검출농도는 0.14~9.67 ${\mu}g/kg$였고, 오크라톡신 A의 검출 농도는 0.31~3.31 ${\mu}g/kg$였다. 이는 우리나라 식품공전 상의 기준인 10 ${\mu}g/kg$(아플라톡신 $B_1$), 7 ${\mu}g/kg$(오크라톡신 A)보다는 낮은 수치로 비교적 안전한 수준이었다. A survey of aflatoxin $B_1$ and ochratoxin A was conducted on dried red pepper and red pepper powder. Total number of 193 samples were collected from local markets in Incheon. The presence of aflatoxin $B_1$ and ochratoxin A was determined by high performance liquid chromatography (HPLC) with fluorescence detector using immunoaffinity column clean-up. The recovery rate of aflatoxin $B_1$ and ochratoxin A were more than 80% and the limits of quantification were 0.13 ${\mu}g/kg$ for aflatoxin $B_1$ and 0.30 ${\mu}g/kg$ for ochratoxin A. Aflatoxin $B_1$ was detected in 33 samples (17.1%) with a range of 0.14~9.67 ${\mu}g/kg$ and ochratoxin A was detected in 40 samples (20.7%) with a range of 0.31~3.31 ${\mu}g/kg$. These results show that the occurrence of aflatoxin $B_1$ and ochratoxin A in dried red pepper and red pepper powder tested in this study is low compared with the standard in Korea Food Code (10 ${\mu}g/kg$ as aflatoxin $B_1$ and 7 ${\mu}g/kg$ as ochratoxin A).
초등학교 5, 6학년 남녀학생의 활동에너지 소비량 및 에너지필요추정량 분석
김미정(Mi Jeong Kim),나현주(Hyeon Ju Na),김영남(Young Nam Kim) 대한지역사회영양학회 2011 대한지역사회영양학회지 Vol.16 No.2
This study was conducted to investigate the time spent, activity coefficient and energy expenditure on 7 different types of activity. Total of 386 5th and 6th grade primary school boys and girls in Seoul participated in this study. The participants spent 8 hrs for rest, 4 hrs for out of school study, 3 hrs for leisure, 1 hr 45 mins. for hygiene, 1 hr for commute, and 15 mins. for house choir activity in the day of 6 class hours. The average activity coefficient of 1 day for boys and girls were 1.69 and 1.64, respectively. The TEEs were 2,382 kcal and 2,050 kcal for boys and girls, respectively. The energy cost for study related activity (in school and study activities) was 40% of the TEE, and for rest 20%, for commute 9%, and for hygiene 10% of the TEE. The energy cost for house choir was only about 2% of TEE. The 91.2% participant`s EER was higher than the EER shown in the table of 2010 DRI for Koreans. When the participant`s EER was compared with the energy allowance calculated by the method in 2000 RDA for Korean, 81.6% was in the range of ±5%, and the correlation coefficients between the 2 values were 0.981 for boys and 0.978 for girls, which means high agreements. (Korean J Community Nutr 16(2): 195~205, 2011)
초등학생(고학년)의 에너지필요추정량 산출을 위한 4단계 신체활동단계의 간편 판정법 연구
김미정(Mi Jeong Kim),나현주(Hyeon Ju Na),김영남(Young Nam Kim) 대한지역사회영양학회 2011 대한지역사회영양학회지 Vol.16 No.3
The purpose of this study is finding the easy way of 4 categories activity level confirmation for estimated energy requirement calculation. Total of 386, 5th and 6th grade primary school students participated. The time spent on 7 kinds of activity were collected for 1 day by the internet program developed. Judged by the activity coefficient, sedentary were 6.7% and 5.1%, low active 33.2% and 40.4%, active 43.8%, and45.5%, and very active 16.3% and 9.0% for boy and girl, respectively. The highest and significant correlation coefficient between activity coefficient and time spent on activities shown were 0.339 in commute activity for boys, and 0.466 in leisure for girls. The sensitivity of the sedentary conformation by commute hour for boys was 0.79, and that of very active was 0.56. The sensitivity of the sedentary conformation by leisure hour for girls was 0.67, and that of very active was 0.63. The sensitivity of low active and active by 7 different types of activity was quite low, 0.04~0.37. The exact agreement of activity level conformed by easy way developed was 30.8% and 33.7%, for boys and girls, respectively. More accurate way to identify 4 categories activity level needs to be developed, especially sensitive to conformation of low active and active levels. (Korean J Community Nutr 16(3) : 307~314, 2011)