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Chan-Sik Jung,Byung-Joo Kim,Yil-Chan Kwon,Won-Young Han,Yong-Ho Kwack 韓國作物學會 1998 Korean journal of crop science Vol.43 No.2
This study was conducted to establish a rapid analysis method for determining protein and moisture contents of pea. Ninety and eighty pea (Pisum sativum L.) lines were analyzed to determine protein and moisture contents, respectively using near-infrared reflectance spectroscopy. Simple correlations (~gamma ) of protein content in a ground sample and an intact grain sample by an automatic regression method were 0.978 and 0.910, respectively. Simple correlations by partial least square regression/principal component analysis (PLS/PCA) methods were 0.982 and 0.925, respectively. Standard error of performance (SEP) in protein content was the lowest value, 0.446 in ground sample by PLS/PCA methods. Simple correlation of moisture content was the highest at 0.871 in ground samples. when using a standard regression method. Accuracy for the moisture content was slightly lower than for protein content. It was concluded that the NIRS method would be applicable only for rapid determination of protein content in pea.
A New Leaf Vegetable Perilla Cultivar, "Bora" with Purple Backside Leaf Color
Chan Sik Jung,Yil Chan Kwon,Ki Won Oh,Byung Joo Kim,Suk Bok Pae,Yong Ho Kwack,Hee Seang Park,Hyeon Tae Kim,Geum Suk Kim,Geon Jae Lim,Su Dong Kim,Huhn Pal Moon,Sung Tack KimDo 한국육종학회 2007 한국육종학회지 Vol.39 No.1
“Bora” is a new perilla (Perilla frutescens (L.) Britton) cultivar developed from a cross between Ipdeulkkae1 and YCPL199 at National Yeongnam Agricultural Experiment Station, RDA, in 2001. Purple backside leaf color is one of the most important characteristics for the high quality perilla leaf. “Bora” has purple backside leaf color in all climate condition, while a check variety, Ipdeulkkae1 has too light color during summer season or in high temperature condition. “Bora” matures at October 18th and has 79 cm of the stem length, shorter than that of Ipdeulkkae1. Although leaf yield is 11% less than that of a check variety Ipdeulkkae1, the harvested leaf number of “Bora” is similar with that of Ipdeulkkae1. The cultivar is appropriable in all area of Korea for the leaf harvesting cultivation whereas it is restricted to southern part of Korea South Gyeongsang and South Jeola provinces, for the seed harvesting cultivation.
A New High - Antioxidizing, Vegetable Perilla Variety " Namcheondeulkkae "
Chan Sik Jung,Yil Chan Kwon,Byung Joo Kim,Won Young Han,Ki Won Oh,Yong Ho Kwack,Moo Sang Lim 한국육종학회 2002 한국육종학회지 Vol.34 No.2
‘Namcheondeulkkae’ was developed as a new vegetable perilla variety using the pure line selection from Milyang local strains at the National Yeongnam Agricultural Experiment Station (NYAES), Rural Development Administration in 1998. The advanced and regio
정찬식(Chan Sik Chung),권일찬(Yil Chan Kwon),김병주(Byung Joo Kim),한원영(Won Young Han),곽용호(Yong Ho Kwack),임무상(Moo Sang Lim),손창기(Chang Ki Son),이야성(Ya Seong Lee) 한국육종학회 2002 한국육종학회지 Vol.34 No.1
A new pea variety, Olwandu , was developed at the National Yeongnam Agricultural Experiment Station (NYAES) in 1998. Olwandu was selected from a cross Sparkle/Wensume in 1987. The advanced and regional yield trials were carried out from 1994 to 1995 and
정찬일 ( Chan-yil Jung ),이동현 ( Dong-hyun Lee ),인호 ( Hoh Peter In ) 한국정보처리학회 2008 한국정보처리학회 학술대회논문집 Vol.15 No.2
정보시스템의 개발에 있어서 요구사항의 체계적인 관리가 중요시되는 가운데, 요구사항에 대한 세부적인 정보들을 계량적으로 관리하기 위한 체계적인 분류방법이 부족한 것으로 판단되어, 요구사항을 업무로직, 데이터, 기술기반 관점 및 CEO/CIO, 책임자, 설계자 시각에 따른 요구사항 분류매트릭스를 제공함으로써, 요구사항을 좀더 체계적으로 수집, 관리할 수 있는 기반을 마련하였다.
Jung, Chan-Sik,Kim, Byung-Joo,Kwon, Yil-Chan,Han, Won-Young,Kwack, Yong-Ho The Korean Society of Crop Science 1998 Korean journal of crop science Vol.43 No.2
This study was conducted to establish a rapid analysis method for determining protein and moisture contents of pea. Ninety and eighty pea (Pisum sativum L.) lines were analyzed to determine protein and moisture contents, respectively using near-infrared reflectance spectroscopy. Simple correlations (${\gamma}$) of protein content in a ground sample and an intact grain sample by an automatic regression method were 0.978 and 0.910, respectively. Simple correlations by partial least square regression/principal component analysis (PLS/PCA) methods were 0.982 and 0.925, respectively. Standard error of performance (SEP) in protein content was the lowest value, 0.446 in ground sample by PLS/PCA methods. Simple correlation of moisture content was the highest at 0.871 in ground samples. when using a standard regression method. Accuracy for the moisture content was slightly lower than for protein content. It was concluded that the NIRS method would be applicable only for rapid determination of protein content in pea.
Jae-Soon Kang,Eunae Kim,Yil-Sung Moon,Chan-Sik Jung,Si -Hyeock Lee,Il-Kwon Park 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.05
The pinewood nematode, Bursaphelenchus xylophilus is a serious forest pathogen in many countries including Japan, China and Korea. To minimize the environmental problems caused by synthetic chemicals broadly utilized in the control of B. xylophilus, we estimated the nematicidal potency of 97 phytochemicals (49 monoterpenes, 17 phenylpropenes, 16 sesquterpenes and 15 sulfides) against B. xylophilus by measuring their inhibition activity against acetylcholinesterases (ACE, EC 3.1.1.7) of B. xylophilus (BxACEs). In the primary inhibition assay using B. xylophilus crude protein, (+)-α-pinene, (-)-α-pinene and 3-carene in the monoterpenes, ο-anisaldehyde and coniferyl alcohol in the phenylpropenes and cis-nerolidol in the sesquterpenes were observed the > 50% BxACE inhibition rate and they were subsequently estimated the inhibition rate against three recombinant BxACEs. The (+)-α-pinene and coniferyl alcohol showed the high inhibition rate against BxACE-1 and BxACE-2. Interestingly, coniferyl alcohol also exhibited the high inhibition rate against BxACE-3 which would be insensitive to ACE inhibitors.
An epidemiological study of metagonimiasis along the upper reaches of the Namhan River
Jong-Yil Chai(채종일),Sun Huh(허선),Jae-Ran Yu(유재란),Jina Kook(국진아),Kyung-Chun Jung(정경천),Eun-Chan Park(박은찬),Woon-Mok Sohn(손운목),Sung-Tae Hong(홍성태),Soon-Hyung Lee(이순형) 대한기생충학열대의학회 1993 The Korean Journal of Parasitology Vol.31 No.2