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한국전통간장의 맛과 향에 관여하는 주요 향미인자의 분석(II) - 질소 화합물, 유리아미노산 및 핵산관련물질 분석 -
박현경,손경희,Park, Hyun-Kyung,Sohn, Kyung-Hee 한국식생활문화학회 1997 韓國食生活文化學會誌 Vol.12 No.1
This study was carried out in order to analyzed the changes in nitrogen containing taste compounds of three different types of traditional Korean soy sauce with varing ripening period, and to investigates correlation between sensory characteristics and taste compounds contents via contents assay and sensory evaluation of soy sauce samples. Total nitrogen, ammonia type nitrogen and amino type nitrogen contents showed the highest value in Kyupjang. 17 kinds of free amino acid was detected in Chungjangs and 16 kinds of free amino acid was detected in Kyupjang. Nucleotides and their related compounds detected were hypoxanthin, xanthin, IMP, AMP, Inosine, ADP. Free amino acid and nucleotides and their related compounds contents were highest in Kyupjang. Nitrogen related compounds content of high concentration soy sauce ripened over 150 days increased similarly with Kyupjang. In the sensory evaluation of soy sauce taste, Chungjang samples acquired the highest score in the offensive taste test while Kyupjang marked highest score for sweet taste, nutty taste, taste preference. High concentration soy sauce ripend over 150 days yielded the result similar to that of Kyupjang. Sweet taste showed positive correlation with nitrogen compounds. The materials that showed positive correlation with nutty and traditional soy sauce taste and taste preference were nitrogen compound, IMP, AMP. Except for tryptophan, all free amino acid showed positive correlation with nutty and traditional soy sauce taste. Particulary, taste preference correlated to lysine, aspartic acid and glutamic acid.
Henoch-Sch$\"{o}$nlein 자반증 환아에서 동반된 공장-공장형 장중첩증 1례
박현경,정윤숙,김기중,김용주,이항,임현철,Park, Hyun-Kyung,Chung, Yoon-Sook,Kim, Ki-Joong,Kim, Yong-Joo,Lee, Hahng,Rhim, Hyun-Chul 대한소아소화기영양학회 2001 Pediatric gastroenterology, hepatology & nutrition Vol.4 No.2
저자들은 복부 통증 및 구토를 주소로 내원한 HSP를 진단받은 5세의 남아에서, 복부 초음파 검사를 통해 공장-공장형 장중첩증을 진단하였으며 그 후 자연감압으로 증세가 호전되었고, 복부 전산화 단층 촬영 검사로 자연정복되었음을 확인한 환아 1례를 경험하였기에 보고하는 바이다. Gastrointestinal involvement occurs in two thirds of children with Henoch-Sch$\"{o}$nlein purpura (HSP) and intussusception is by far the most common abdominal complication. Intussusception in HSP almost originates in the small bowel, which is in contrast with idiopathic intussusception. Earlier diagnosis and prompt treatment of intra-abdominal complications can reduce the mortality and ultrasound is the imaging modality of choice in evaluation the bowel manifestations of HSP. We report a case of jejuno-jejunal intussusception associated with HSP in a 5-year-old boy who presented with diffuse abdominal pain and vomiting after a few days of HSP onset. Abdominal ultrasound demonstrated intussusception in the jejunum with well defined target appearance because of the thickened intussusceptum, which disappeared on the computerized tomographic examination checked approximately 24 hours later. A brief review of literature was made.
한국전통간장의 맛과 향에 관여하는 주요 향미인자의 분석(III) -향기성분 분석 -
박현경,손경희,박옥진,Park, Hyun-Kyung,Sohn, Kyung-Hee,Park, Ok-Jin 한국식생활문화학회 1997 韓國食生活文化學會誌 Vol.12 No.2
This study was carried out in order to investigate effective aroma components of Korean traditional soy sauce. Volatile aroma compounds were extracted by solvent extraction, TMS esterification of methyl acetate extracts and SDE, and analyzed by GC/MSD. 140 voltile aroma compounds were detected by three different extraction methods. Most abundant volatile compounds were acids and phenols and identified aldehydes, hydrocarbons, ketones, furans, furanone, alcohols, esters, nitrogen compounds, sulfur compounds and thiazoles, too. In the analytical sensory evaluation of soy sauce aroma, there were significant differences between each soy sauce sample in all test item. To sum up, Sweet odor was high in Kyupjang. Nutty odor and traditional soy sauce odor were similarly high in Kyupjang and high concentration soy sauce. Kyupjang had high score in overall odor preference than Chungiangs. The result of multiple regression of soy sauce odor characteristics and gas chromatography pattern demonstrated that offensive and sour odor was affected by octadecanoic acid. Contributive compounds to sweet odor were 1,2-benzenedicarboxylic acid and 3,6-dioxa-2,7-disilacotane. Benzoic acid 4-methyl ethyl ester and nonacotane were identified as major compounds of nutty odor. Contribu live variables of traditional soy sauce odor were benzoic acid 4-methyl ethyl ester and 9,12-octadecadienoic acid. The main factors of odor preference were 3-methyl pentanoic acid, acetic acid, 2,6-dimethyl heptadecane and 3,6-dioxa-2,7-disilacotane.
2015년 제주도 양식 넙치(Paralichthys olivaceus)를 대상으로 한 VHS 및 RSIVD 모니터링
박현경 ( Hyun Kyung Park ),전려진 ( Lyu Jin Jun ),김승민 ( Seung Min Kim ),박명애 ( Myoung Ae Park ),조미영 ( Mi Young Cho ),황성돈 ( Seong Don Hwang ),박신후 ( Shin Hoo Park ),정현도 ( Hyun Do Jeong ),정준범 ( Joon Bum Jeong ) 한국수산과학회(구 한국수산학회) 2016 한국수산과학회지 Vol.49 No.2
In this study, disease surveillance was performed to monitor the prevalence of viral haemorrhagic septicaemia virus (VHSV) and red seabream iridovirus (RSIV) in olive flounder, Paralichthys olivaceus in 2015. The fish samples were collected in March (60 farms), May (55 farms) and July (52 farms) from different farms in Jeju. Reverse transcription polymerase chain reaction (RT-PCR) (VHSV) or PCR (RSIV) results showed that VHSV detected in 2 farms, but RSIV has not been detected in any farms. The sequences of the nucleocapsid protein (N) and gly-coprotein (G) gene of the 2 VHSV isolates were successfully sequenced. Phylogenetic analysis was included VHSV isolates reported here together with a representative VHSV isolates available in GenBank. Phylogenetic analysis in-dicated that most of Korea VHSV isolates were closely related to the Japan and China genotype Ⅳa which is clearly distinct from the North American genotype Ⅳb.
발포비타민을 이용한 구강세정 및 섭취가 구강내 치주질환 유발 세균 감소에 미치는 효과 비교
박현경 ( Hyun-kyung Park ),이민경 ( Min-kyung Lee ),전은숙 ( Eun-suk Jeon ),유수빈 ( Su-bin Yu ),김혜진 ( Hye-jin Kim ) 한국치위생학회(구 한국치위생교육학회) 2019 한국치위생학회지 Vol.19 No.3
Objectives: This study was conducted to examine the subjects’ oral health status and changes in the oral environment after mouthwash with effervescent Vitamin C and its intake and to understand the impact on changes in the number of bacteria causing periodontal diseases in the oral cavity based on the oral health status and oral environmental condition. Methods: After obtaining approval from the Institutional Review Board of D-University, 45 people (24 in an experimental group and 21 in a control group) who participated in the oral health program were selected, among visitors of the Clinical Dental Hygienics Laboratory of D. University in B. Results: Based on the subjects’ periodontal health status, the number of bacteria causing periodontal diseases in the oral cavity decreased in both experimental and control groups before and after the experiment. However, in the experimental group, it was significant when the Bleeding on Probing(BOP) level was below average, and Calculus index(CAL) was above average, in Aggregatibacter actinomycetemcomitans and the red complex. It was also significant when CAL was above average in the orange complex in the control group. Regarding bacterial changes in periodontal diseases based on the subjects’ oral environmental condition, there was a significant change in the Adenosine Tri Phosphate (ATP : intraoral contaminants test) test in the oral cavity in A. actinomycetemcomitans and the red complex in the experimental group and in the O’Leary index in the control group. Further, there was a significant change in the orange complex in the ATP test in the experimental group. Conclusions: A comprehensive analysis of the results revealed that the oral health care program for dental hygiene decreased the number of bacteria causing periodontal diseases in the oral cavity in both experimental and control groups.
박현경(Hyunkyung Park),안효범(Hyobeom Ahn) 한국정보보호학회 2020 情報保護學會誌 Vol.30 No.2
현재 자동차들은 차량 내부와 외부가 서로 유기적으로 연결된 장치들과 정보를 주고 받는 형태로 발전되고 있다. 이런 자동차들을 커넥티드 카(connected car)라고 한다. 커넥티드 카들은 인명과 관련되어 있어 보안에 대한 중요성이 강조되고 있다. 이 논문에서는 커넥티드 카의 시장 동향과 기술을 조사하고 분류한다. 또한, 커넥티드 카에서 발생하는 공격유형과 보안 취약점을 소개한다.