• Title/Summary/Keyword: Gyeonggi.do

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근적외선분광광도법을 이용한 식용유지의 산가, 요오드가, 지방산 정량법에 관한 연구 (Quantitative Analysis of Acid Value, Iodine Value and Fatty Acids Content in Vegetable Oils by NIRS)

  • 김재관;최옥경;황선일;정진아;김윤성;박신희;손미희;권혜정;이정복;김종찬
    • 환경위생공학
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    • 제22권4호
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    • pp.65-76
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    • 2007
  • The possibility of rapid quantitative analysis of AV(Acid Value), IV(Iodine Value) and fatty acids in vegetable oils with NIRS(Near-infrared spectroscopy) was evaluated. A calibration equation calculated by MPLS regression technique was developed and correlation coefficient of determination for AV, IV, $C_{16:0},\;C_{18:0},\;C_{18:1},\;C_{18:2},\;C_{18:3},\;and\;C_{20:0}$ content were 0.9727, 0.997, 0.9805, 0.942, 0.9987, 0.9994, 0.9966, and 0.975 respectively. According to the data obtained from validation study, $R^2$ of contents of perilla, corn, soybean, rapaseed oils were 0.897, 0.993, 0.935, 0.707, 0.994, 0.996, 0.984, 0.798, SEP of contents of 0.185, 1.367, 0.899, 0.640, 1.498, 1.360, 0.476, 0.076 by MPLS. The results indicate that the NIRS procedure can potentially be used as a non-destructive analysis method for the rapid and simple measurement of AV, IV and fatty acids in vegetable oils.

Comparison of Biochemical Profiles with Biogroups for the Identification of Cronobacter spp. (Enterobacter sakazakii)

  • Kim, Jung-Beom;Park, Yong-Bae;Kim, Woon-Ho;Kim, Ki-Cheol;Jeong, Hong-Rae;Kim, Dae-Hwan;Kang, Suk-Ho;Yong, Kum-Chan;Yoon, Mi-Hye;Park, Yong-Chul
    • 한국식품위생안전성학회지
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    • 제24권4호
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    • pp.307-311
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    • 2009
  • The objectives of this study were to compare the biochemical profiles with biogroups for the identification of Cronobacter spp. (formally known as Enterobacter sakazakii) isolates using biochemical identification kits. A total of 38 Cronobacter spp. contained 5 clinical, 31 food, and 2 environmental isolates were used. All isolates were identified as Cronobacter spp. with the Vitek II system and ID 32E kit. The API 20E kit identified all isolates as Cronobacter spp. but the percentage identification was 51.1% for 16 of 38 isolates. These strains were contained to Biogroup 2, 9, 10, and 11. The utilization of inositol is a factor determining the percentage identification of Cronobacter spp. with the API 20E kit.

경기도내 유통 생즙 원료 농산물의 잔류농약 실태조사 및 위해성 평가 (Monitoring and Risk Assessment of Pesticide Residues in Agricultural Products for Raw Juice in Gyeonggi-Do, Korea)

  • 유경신;박포현;김기유;임부건;강민성;이유진;강충원;김윤호;이선영;서정화;박용배;윤미혜
    • 한국식품위생안전성학회지
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    • 제33권5호
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    • pp.339-346
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    • 2018
  • 본 연구는 2017년 1월부터 9월까지 생즙 원료 농산물 12품목 297건에 대한 잔류농약의 실태를 조사한 것이다. GC/ECD, GC/NPD, TOF/MS, LC/PDA, LC/FLD, LC/MSMS를 이용하여 다종농약다성분 분석법으로 220종의 잔류농약을 분석하였고, 검사결과 14건(4.7%)에서 9종의 농약성분이 검출되었다. 검출된 농약은 클로로피리포스, 사이플루페나미드, 클로로탈로닐, 펜디메탈린, 아족시스트로빈, 피리달릴, 이마잘릴, 플루디옥소닐, 프로사이미돈이였으며, 검출된 농산물은 감귤, 당근, 사과, 셀러리, 치커리, 오렌지, 포도였다. 농약 검출량을 바탕으로 일일섭취추정량(EDI)과 일일섭취허용량(ADI)을 이용하여 위해성평가를 하였으며, %ADI값의 범위는 0.0011~6.7087%로 안전한 수준이었다.

유우의 간질 및 쌍구흡충 기생율과 간질 구충제 Niclofolan과 Bithionol의 야외응용시험 (A Survey on Bovine Fascioliasis in Gyeonggido: Prevalence Survey and Comparative Chemotherapeutical Experiments with Niclofolan and Bithional against Fasciola spp. and Paramphistomum spp. in Dairy Cat)

  • 손봉환;배길한;조진행;박영수;김수장
    • 대한수의사회지
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    • 제13권3호
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    • pp.161-166
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    • 1977
  • A survey on prevalence and the efficiency of the field chemotherapeutical administration on fascioliasis-param-phistomiasis about 524 dairy cattles of 20 heards was carried out in the areas of the northern parts of the Gyeonggi-Do by means of fecal examin

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곡류 및 그 가공품 중 아플라톡신과 데옥시니발레놀의 안전성 평가 (The Safety Assessment of Aflatoxins and Deoxynivalenol in Cereals and Their Products)

  • 김영수;김영숙;김명길;이성봉;이주예;오상헌;정유정;서미영;성진희;이완;이정복;윤미혜
    • 한국식품위생안전성학회지
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    • 제28권2호
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    • pp.158-167
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    • 2013
  • This study was carried out to assess the safety of cereals and their products (20 species, 205 samples) distributed in Gyeonggi province by analyzing contamination levels such as exposure frequency of Aflatoxins and Deoxynivalenol (DON). Aflatoxins were detected in 16 (8%) samples in total with a range of 0.01~27.88 ${\mu}g/kg$, including 3 of 9 bake flour (33%), 2 of 6 dried corn (33%), 3 of 12 frying flour (25%) and 2 of 11 sorghum (18%). DON was found in 56 (27%) samples including 11 of 13 adlay (85%), 6 of 8 wheat (75%), 6 of 10 processed corn for popcorn (60%), 6 of 11 sorghum (55%) and 7 of 16 barley (44%) with a range of 2.2~754.4 ${\mu}g/kg$. In particular, both Aflatoxins and DON were detected in 8 samples (2 millet, 2 wheat, 1 sorghum, 1 adlay, 1 dried corn, 1 bake flour) simultaneously. As a result of this study, we found that an adult is exposed to Aflatoxins of $0.80({\times})10^{-3}{\mu}g/kg$ b.w./day and DON of 0.18 ${\mu}g/kg$ b.w./day. The quantity of exposure to DON amounted to 18.5 percentage level compared with PMTDI 1 ${\mu}g/kg$ b.w./day suggested on JECFA, therefore we can assess that the possibility of health risks by intake cereals distributed in Gyeonggi province is low. However the concentration of Aflatoxins in one dried corn was 27.88 ${\mu}g/kg$ which was over the maximum residue limits (MRL) suggested on internal and external level, the monitoring about mycotoxin should be conducted on continuously.

경기와 경북지역의 제수 비교 연구 (Research on the comparison on the ritual food of Gyeonggi and Gyungsangbuk-do province)

  • 김정미;장성현;김종군
    • 한국식품조리과학회지
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    • 제19권5호
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    • pp.562-570
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    • 2003
  • The awareness of ritual foods in general rituals were surveyed and compared in the Gyeonggi and Gyungsangbuk-do areas in order to identify the characteristics of Korean rituals and establish desirable ritual foods. As materials for "Jeon" (fried pan cakes) in rituals, fish fillets, meat and vegetables were largely used in the Gyeonggi region. In the Gyeongbuk region, all three of these ingredients were the most highly used for "Jeon" also. In the case of rice cakes, "Songpyun" steamed on a layer of pine needles, "Jeolpyun" and "Sirudduk", with a red beans, were mostly used in Gyeonggi-do, while "Songpyun", "Jeolpyun" and "Ingelmi" were largely used in Gyeongsangbuk-do. As seasoned vegetables and herbs, fernbrakes, root of bell flowers, green bean sprouts and bean sprouts were largely used in Gyeonggi-do region, whereas, fernbrakes, bean sprouts, root of bell flowers and spinaches were mainly used in Gyeongbuk region. The use of fernbrakes was highest in both regions. With regard to the number of side dishes, 2∼3 kinds of seasoned herbs and 3∼4 kinds of fruits were mostly used, but with slightly higher numbers in the Gyeongsangbuk-do than the Gyeonggi-do region. With regard to liquor used for rituals, clear strained rice wine was used most in the Gyeonggi-do area, while more unrefined rice wine was used in the Gyeongbuk region. Meat was the most used ingredient in broth slices of dried meat and cod were highly used in the Gyeonggi region, but slices of dried squid were most widely used in the Gyeongbuk region. Most households in both regions tended not to use raw fish in the rituals, and as for the ingredients of Korean Kabobs, meat was the most widely used, then fish and finally vegetables were the most used ingredients. Beef soup was the most used, but more green vegetable soup was used in the Gyeongbuk than the Gyeonggi region. Sweet drink made from fermented rice (sikhe) was generally used in the rituals. It was the most widely used in the Chusok-Hangawi Ritual in the Gyeonggi region, while it was used in the New Year's Ritual in the Gyeongbuk region.

대기 배출 사업장의 알데하이드류 배출특성 (A Study on the Emission Characteristics of Aldehydes from Various Industries)

  • 황철원;김인구;김세광;오천환;김태현;정병환;임주혁;문혜란;김종수
    • 한국환경보건학회지
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    • 제44권2호
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    • pp.169-177
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    • 2018
  • Objectives: The emission characteristics of aldehydes were investigated in five industries for the efficient management of aldehydes. Methods: Aldehydes and THC were measured from the stack and boundary of facilities. The relative concentrations and odor contribution of aldehydes were evaluated. Results: The concentrations of aldehydes in the asphalt manufacturing and printing industries were relatively high. Formaldehyde met emission limits for all facilities. According to the odor contribution analysis of aldehydes, i-valeraldehyde and butyraldehyde, which have a relatively low odor threshold value, were found to be the major odor-causing substances in the painting and textile processing industries. Conclusions: Among the aldehydes, the major emission compounds were formaldehyde in asphalt manufacturing, acetaldehyde in the paper manufacturing and textile processing industries, and butyraldehyde in the printing and painting industries. Therefore, to increase the effectiveness of aldehyde reduction, proper control devices need to be installed and operated according to the emission characteristics of aldehydes.