http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
서울특별시 강북지역 유통 농산물 중 농약잔류실태조사(2008)
승현정,박성규,하광태,김욱희,최영희,김시정,이경아,장정임,조한빈,최병현 한국식품위생안전성학회 2009 한국식품위생안전성학회지 Vol.24 No.4
This study was carried out to investigate the current status of pesticide residues in 3,735 agricultural products in the northern area of Seoul from January to December in 2008. 3,735 samples, comprising 119 types of agricultrural products were assessed via a multiresidue method to detect 260 pesticides. Pesticide residues were detected in 19.7%(737 of 3,735 samples), and the rate at which the detected residues violated the maximum residue levels(MRLs) of the Korean Food Code was 3.2%(121 of 3,735 samples). Pesticide residues were detected in 72 spinaches, 64 peppers, 45 sweet peppers, 40 perilla leaves, 38 korean cabbages and 37 dried agricultural products. The samples that violated the MRLs included 14 perilla leaves, 13 spinaches, 12 leek, 6 lettuces(leaf), 6 chards and 6 gyeojchaes. Procymidone, endosulfan, chlorfenapyr, cypermethrin, bifenthrin, tebuconazole and fenvalerate were all frequently observed. Procymidone, endosulfan, dimethomorph and diniconazole were the pesticides most frequently detected at levels that violated the Korean Food Code MRLs.
서울지역 설사환자로 부터 분리된 Shigella flexneri의 성상과 유전적 특성
승현정,김무상,오영희,최병현,채희선,초가기,전무형,Seung, Hyun-Jung,Kim, Moo-Sang,Oh, Young-Hee,Choi, Byung-Hyun,Chae, Hee-Sun,Chu, Jiaqi,Jun, Moo-Hyung 대한수의학회 2006 大韓獸醫學會誌 Vol.46 No.4
The shigellae are common etiological agents of bacillary dysentery in humans and primates. During four years from 2002 to 2005, 22 strains of Shigella spp. were isolated from the diarrheic patients in Seoul region. All of them were identified as S. flexneri by biochemical tests and serotyping. The prevalence of serotypes were variable by year, but the major serotypes were 2a and 3a. In an antimicrobial susceptibility test, all of the isolates were resistant to streptomycin and tetracycline, and susceptible to amikacin, kanamycin, cefoxitin, and gentamicin. All of the isolates showed the multi-resistant patterns over 3 drugs. By analysis of the plasmid profile the isolates were classified into 7 groups (P1~P7). Serotypes 2a and 2b were distributed to P1, P2, P3, and P4. Serotype 3a was differentiated to P5 and serotype 3b, to P6 and serotype 4a, to P7. PCR results showed that all isolates were positive for two virulence genes, ipaH and ial, but none of the strains had stx gene. The set1A and set1B genes were detected from 12 isolates (54.5%) that belonged to serotype 2a and 2b. The sen gene was detected from 19 isolates (86.4%). The 22 isolates showed 12 to 17 DNA fragments in the sizes ranging from 20.5 kb to 1135 kb, resulting in 13 patterns by the PFGE with Not I digestion. The PFGE patterns of the isolates showed the close relation with the serotypes, but no relations with year of isolation and antimicrobial resistance.
서울특별시 강북지역 유통 농산물들에 대한 농약잔류실태조사
승현정,박성규,하광태,김욱희,최영희,김시정,이경아,장정임,조한빈,최병현 한국식품위생안전성학회 2010 한국식품위생안전성학회지 Vol.25 No.2
This study was carried out to investigate the current status of pesticide residues in 3,988 agricultural products in the northern area of Seoul from January to December in 2009. 3,988 samples comprising 109 types of agricultural products were assessed via a multiresidue method to detect 272 pesticides. Pesticide residues were detected in 25.6% (1,021 of 3,988 samples), and the rate at which the detected residues violated the maximum residue levels (MRLs) of the Korean Food Code was 2.2% (89 of 3,988 samples). The agricultural products which exceeded their maximum residue limits were leek, ginseng, welsh onion, crown daisy and lettuce (leaf). Additionally, the most frequently detected pesticide that exceeded the regulation maximum was endosulfan, procymidone, tolclofos-methyl,iprodione and flutolanil.
유통수산물과 수족관물에서 분리한 장염비브리오균의 항생제 내성 및 유전적 특성
승현정,김리라,박정은,류승희,진영희,김욱희,윤은선 한국식품과학회 2023 한국식품과학회지 Vol.55 No.2
The purpose of this study was to investigate the distribution of virulence genes and the antimicrobial resistance patterns in Vibrio parahaemolyticus isolated from commercial marine products and aquarium water. A total of 439 commercial marine products and aquarium water samples, including 245 shellfish, 64 aquarium water samples, 63 fish, 43 tunicata, 16 cephalopods and 8 crustaceans, were tested in this study. V. parahaemolyticus was detected in 21 (4.8%) of the 439 commercial marine products and aquarium water samples. Furthermore, tlh and toxR, which are species-specific genes, were detected in all of the strains, while virulence genes tdh and trh were not detected in any of the strains. According to the antimicrobial resistance test, 19 strains (90.5%) were resistant to ampicillin and one strain (4.8%) was resistant to cefoxitin. In addition, one strain that was initially found to be resistant to cefoxitin was confirmed to be a multidrug-resistant bacterium that was also resistant to ampicillin. However, all strains were found to be sensitive to 10 antimicrobial agents.
서울시 수계시설에서 분리된 Legionella pneumophila의 분자역학적 특성
전수진,정지헌,승현정,김창규,진영희,오영희,최성민,채영주,Jeon, Su Jin,Jung, Ji Hun,Seung, Hyun Jung,Kim, Chang Kyu,Jin, Young Hee,Oh, Young Hee,Choi, Sung Min,Chae, Young Zoo 한국환경보건학회 2013 한국환경보건학회지 Vol.39 No.2
Objectives: The genus Legionella is common in aquatic environments. Some species of Legionella are recognized as potential opportunistic pathogens for human, notably Legionella pneumophila that causes, Legionellosis. Thus, we investigated the contamination of Legionella pneumophila on water supply systems in Seoul, including cooling towers, public baths, hospitals and fountains. Methods: The existence of 16S rRNA and mip gene of L. pneumophila was confirmed in the genome of the isolated strains by PCR. Results: During the summer season of 2010 and 2011, Legionella pneumophila were detected from 163 samples (21.1%) out of 772 samples collected. Among the 163 strains of L. pneumophila, eighty one isolates belonged to serogroup 1 (57.4%), 23 isolates were serogroup 5 (16.3%), 21 isolates were serogroup 6 (14.9%), 8 isolates were serogroup 2 (5.79%), and 8 isolates were identified in serogroup 3 (5.7%). Through PFGE (pulsed-field gel electrophoresis) analysis using Sfi I, genetic types of L. pneumophila were classified into five (A to E) patterns by the band similarity with excess of 70% from public baths. Conclusions: The PFGE patterns of the serotypes showed a tendency for diversity of L. pneumophila. Our results suggest the existence of serological and genetic diversity among the L. pneumophila isolates.
유인실,박성규,최영희,승현정,정희정,한성희,이영주,김윤희,김경식,한기영,채영주 한국식품위생안전성학회 2012 한국식품위생안전성학회지 Vol.27 No.3
This study was performed to investigate the pesticide residue of commercial medicinal plants used for food materials in the Seoul area. Multi class pesticide multiresidue methods in Korea Food Code was used to analyze 100 pesticides. Analyzed samples were 261 cases(domestic 201, imported 60), detection rate was 19.2%(domestic 20.9%, imports 13.3%). 17 pesticides were detected in fruit(chinese matrimony vine, jujube, rubus coreanus,japanese cornlian cherry, schizandra, tangerine peel), and root(cnidium, licorice, astragalus). Pesticide over Maximum Residue Limits were detected in jujube, cnidium. Frequently detected pesticides were cypermethrin, chlorpyrifos,cyhalothrin, fenvalerate, bifenthrin. More than 50% of the sample were detected two or more pesticides at the same time. Because of the variety and increase of pesticide detection in medicinal roots and fruits, continued monitoring and safety management is required.
박성규,장정임,하광태,김성단,김욱희,최영희,승현정,김시정,이경아,조한빈,최병현,김민영 한국식품위생안전성학회 2009 한국식품위생안전성학회지 Vol.24 No.2
A survey of total aflatoxin levels was conducted on 145 samples(carthamiflos, thujae semen, giycyrrhizae radix et rhizoma) collected in Yakyeang markets in Seoul. Aflatoxin levels were quantified by the immunoaffinity column clean-up method followed by performance liguid chromatography(HPLC)-fluorescence detector(FLD). Aflatoxins were found in 10(6.9%)samples including 5 Arecae semen, 4 Thujae semen, 1 Zizyphi semen with a range of 0.45~79.15 μg/kg. Generally These results show that the contamination level of aflatoxins in Herb Medicines consumed in Korea is high compared with the standard in Korea Herb Medicine Code(10 μg/kg as aflatoxin B1). It is considered that aflatoxin concentration was increased in herb medicines during a storage and drying in herb medicines examined
최영희(Young Hee Choi),박성규(Sung Kyu Park),김욱희(Ouk Hee Kim),승현정(Hyun Jung Seoung),한성희(Sung Hee Han),이영주(Young ju Lee),정희정(Hee Jeong Jeong),김윤희(Yun Hee Kim),조한빈(Han Bin Jo),유인실(In Sil Yu),한기영(Ki Young Han) 한국농약과학회 2011 농약과학회지 Vol.15 No.4
100 residual pesticides in 1,565 medicinal herbs being on sale in Seoul was analyzed by a simultaneous multiresidue method. The recovery ratio was 71.0~119.7%. The detection rate of pesticide residues was 5.3% and the rate of excess to Maximum Residue Limits (MRLs) was 0.9% of the total samples. The medicinal herbs which had the high detection rate of residual pesticides were Alismatis Rhizoma, Citri Unshii Pericarpium, Lycii Fructus and Zyzyphi Fructus. The medicinal herbs detected pesticide over Maximum Residue Limits (MRLs) were Alismatis Rhizoma (4),Cnidii Rhizomain (4), Chrysanthemi Zawadski Herba (1),Citri Unshii Pericarpium (1), Lycii Radix Cortex (1), Menthae Herba (1), Schisandrae Fructus (1) and Taraxaci Herba (1). The residual pesticides which had the high detection frequency were cypennethrin, chlorpyrifos, phenthoate, endosulfan, isoprothiolane, chlorothalonil and chlorfenapyr. Estimated Daily Intake (EDI) of detected pesticides was compared to Acceptable Daily Intake (ADI) in order to assess risk. Ethoprophos detected in Cnidii Rhizomain showed the highest %ADI, 26.85. And pyraclofos and endosulfan in Cnidii Rhizomain, endosulfan and isoprothiolane in Alismatis Rhizoma and cyprodinil in Taraxaci Herba showed more than 1 %ADI, but others showed below 1 %ADI.