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고착협 내탈립 기계수확 적응 장류⋅두부용 콩 품종 ‘새금’
김현태(Hyun Tae Kim),한원영(Won Young Han),이병원(Byung Won Lee),고종민(Jong Min Ko),이영훈(Yeong Hoon Lee),백인열(In Youl Baek),윤홍태(Hong Tai Yun),하태정(Tae Joung Ha),최만수(Man Soo Choi),강범규(Beom Kyu Kang),김현영(Hyun Yeong K 한국육종학회 2019 한국육종학회지 Vol.51 No.4
The soybean cultivar, ‘Saegeum’, has been developed for preparing soy-paste and tofu. The soybean cultivars ‘Daepung’ and ‘SS98207-3SSD-168’ were crossed in 2003 to obtain ‘Saegeum’. Single seed descent method was used to advance the generation from F3 to F5, and the plant lines with promising traits were selected from F6 to F7 by pedigree method. The preliminary yield (PYT) and advanced yield trials (AYT) were conducted from 2009 to 2010, and the regional yield trial (RYT) was conducted in 12 regions between 2011 and 2013. The morphological characteristics of ‘Saegeum’ were as follows: determinate plant type, white flower, tawny pubescence color, and brown pod color. Flowering and maturity dates were August 2, XXXX and October 17, XXXX, respectively. Plant height, first pod height, number of nodes, number of branches, and number of pods were 79 cm, 18 cm, 16, 2.3, and 44, respectively. The seed characteristics of ‘Saegeum’ were as follows: yellow spherical shape, yellow hilum, and the 100-seed weight was 25.4 g. ‘Saegeum’ was resistant to bacterial pustule and SMV in the field test, and its lodging resistance was mildly strong, whereas its shattering resistance was excellent. The ability of this cultivar to be processed into tofu, soybean malt, and other fermented products was comparable with that of ‘Daewonkong’. The yield of ‘Saegeum’ in the adaptable regions was 3.02 ton ha-1. Thus, ‘Saegeum’ is adaptable to mechanized harvesting because of its high first pod height, as well as lodging and shattering resistance. (Registration number: 5929)
Thioacetamide에 의한 BALB/c 마우스 간의 시간별 약물대사효소 억제 양상 : A Time-Course Study
이정운,고우석,김갑호,배연경,하현정,한상섭,천영진,정태천 영남대학교 약품개발연구소 2001 영남대학교 약품개발연구소 연구업적집 Vol.11 No.-
Thioacetamide is a potent hepatotoxicant which requires metabolic activation by cytochrome P450s (P450s) for toxicity. In the present study, the elevation kinetic of serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities by thioacetamide treatment was investigated in male BALB/c mice. Inaddition, the inhibitory effects of thioacetamide on liver microsomal P450 enzymes were further investigated. Thioacetamide at 100 mg/kg/ was treated intraperitoneally for 6, 12, 24, 36, 48 and 72 hr. The blood was collected at the designated time for assaying the serum enzyme activities. To determine the P450 isozyme-specific activities. ethoxyresorufin O-deethylase (EROD), methoxyresorufin O-demethylase (MROD), and benzyloxyresorufin O-debenzylase (BROD) activities were determined for P450 1A1, 1A2 and 2B1, respectively, in liver microsomal fractions. The activities of ALT and AST were started to be elevated 6 hr after thioacetamide treatment andreached the maximun at 36 hr after the treatment. The elevated activities were dramatically recovered at 72 hr. The microscopic exmination of the liver specimen also showed a similar profile of hepatotoxicity. All P450-associated enzyme activities were time-dependently inhibited by the treatiment with thioacetamide. The maximum inhibition of P450 enzymes was observed 36 hr after the treatment. Because the inhibition of P450 enzymes by thioacetamide was time-dependent, our present results suggest that thioacetamide might inhibit P450 enzymes in mechanism-based inactivation.
Ha, Tae-Joung,Lee, Jin-Hwan,Shin, Sang-Ouk,Shin, Seong-Hyu,Han, Sang-Ik,Kim, Hyun-Tae,Ko, Jong-Min,Lee, Myong-Hee,Park, Keum-Yong 한국작물학회 2009 Journal of crop science and biotechnology Vol.12 No.2
This study assessed the altitudinal variations in the anthocyanin and isoflavone contents of six black seed coated soybean [Glycine max (L.) Merrill] cultivars. The black soybean cultivars Heugcheong, Seonheuk, Geomjeong 1, Geomjeong 2, Cheongja 2, and Cheongja 3 were planted at Milyang (12 m above mean sea level - low altitude) and Muju (600 m - high altitude), Korea on 10 June 2005 and 2006. The total anthocyanin and isoflavone contents and individual components were investigated by reverse-phase high performance liquid chromatography (HPLC). All black soybean cultivars cultivated in high altitude possessed significantly higher total anthocyanin (p < 0.01) and isoflavone (p < 0.01) contents than those grown in low altitude. For anthocyanin composition, cyanidin-3-O-glucoside, cyanidin-3-O-galactoside, and peonidin-3-O-glucoside contents were significantly higher while delphinidin-3-O-glucoside contents was significantly lower at high altitude. The composition of individual isoflavones, 6"-O-malonyldaidzin, and 6"-O-malonylgenistin contents significantly increased at high altitude.
Tae Joung Ha,Chan-Sik Jung,Myoung-Hee Lee,Yu-Na Jeong,Dae-Sik Choi,Keum-Yong Park 한국작물학회 2008 한국작물학회 학술발표대회 논문집 Vol.2008 No.10
Anthocyanins of black soybean may play an important role in physiological functions related to human health such as antioxidant, anti-inflammatory, and anticancer. The objective of this study was to investigate the profiles of anthocyanin in fourteen black soybean varieties using high-performance liquid chromatography (HPLC) with photodiode array detector (PAD). In all of the cultivars analyzed totally nine anthocyanins including, CatCy3glc, Dp3gal, Dp3glc, Cy3gal, Cy3glc, Pt3glc, Pg3glc, Pn3glc, and Cy were found. Cy3glc was the major anthocyanin content, represention 69.5% of anthocyanin, followed by Dp3glc (23.0%), Pt3glc (4.9%), Pn3glc (1.2%), and Pg3glc(1.1%), respectively. In contrast, the other five anthocyanins were in very low amounts, below 0.3 % in all varieties. Comparing cultivars and anthocyanin compositions, Geomjeong 2, Cheongja 2, and Cheongja 3 were found to content 9 anthocyanins. Geomjeong 1 and Seonheuk contented CatCy3glc, Cy3gal, Cy3glc, and Pn3glc. The variation of total anthocyanin concentration were significant for soybean cultivars. Geomjeong 2 showed highest average total anthocyanin content (17,937.8 ㎍/g seed coat), and Tawonkong and Heugcheong had the lowest total anthocyanin values (2,835.7 and 2,853.1 ㎍/g seed coat, respectively).
Oxidation of Rosmarinic Acid Catalyzed by Mushroom Tyrosinase
Tae Joung Ha,Myoung-Hee Lee,Hyun Sook Kwon,Byeong Won Lee,Chang-Hwan Park,Suk-Bok Pae,Chan-Sik Jung,Keum-Yong Park 한국응용생명화학회 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
Rosmarinic acid isolated from the Perilla frutescens (L.) was found to possess mushroom tyrosinase (EC 1.14.18.1) inhibitory activities with an IC50 of 4.0 μM. However, rosmarinic acid was oxidized as a substrate catalyzed by tyrosinase. The oxidation kinetics of mushroom tyrosinase by rosmarinic acid measured by spectrophotometic and polarographic methods showed Km=166.8 μM, 225.1 μM and Vmax=16.26 μM/min, 3.05 mg O2/L/min, respectively.
Free Amino Acid, Total Phenols and Antioxidant Activity in Sesame Seed and Its Sprout
Tae Joung Ha,Myoung-Hee Lee,Chang-Hwan Park,Suk-Bok Pae,Kang-Bo Shim,Chung-Dong Hwang,Young-Sil Kim,Suk-Young Kim,Chan-Sik Jung,Keum-Yong Park 한국작물학회 2010 한국작물학회 학술발표대회 논문집 Vol.2010 No.04
The purpose of this study was to determine the free amino acid contents, total phenolic contents and antioxidant activity in raw Sesamum indicum seeds (cv. Kopum and cv. Mihuk) and their sprouts germinated for 7 days. Total free amino acid contents of sprouts (29.34±3.3 mg/g DW) were significantly higher than that of raw seeds (6.85±0.39 mg/g DW). All individual free amino acid, including asparagine, alanin, arginine, and leicine were significantly increased in the sesame sprout. And also germinated sprout significantly increased the total phenolic contents (2.2±0.3 mg GAE/g) that resulted in the increased DPPH (2,2-diphenyl-1-picrylhydrazyl) free radical scavenging capacity. Subsequently, two varieties of sesame and its sprouts were analyzed for their phenolic constituents using high-performance liquid chromatography (HPLC). Catechin, sinapic acid and salicylic acid were identified as the major phenolic acid presented in sesame sprout. However, the major biological constituents sesamin and sesamolin content were significantly decreased during germination.
( Tae Joung Ha ),( Myoung-hee Lee ),( Chang-hwan Park ),( Jung-in Kim ),( Eunyoung Oh ),( Suk-bok Pae ),( Jae Eun Park ),( Sung-up Kim ),( Do-yeon Kwak ) 한국육종학회 2018 Plant Breeding and Biotechnology Vol.6 No.4
The influenza neuraminidase (NA, E.C. 3.2.1.18), an antiviral, has been the target of high pharmaceutical companies due to its essential role in viral replication cycle. Perilla frutescens (P. frutescens) is used in traditional Chinese medicine for various diseases, such as cold due to wind-cold, headache and cough. In this context, four major polyphenolic compounds including rosmarinic acid-3-O-glucoside (1), rosmarinic acid (2), luteolin (3), and apigenin (4) isolated from P. frutescens were evaluated for their inhibitory effect on recombinant virus H1N1 neuraminidase (rvH1N1 NA). Among the test compounds, rosmarinic acid and luteolin inhibited the rvH1N1 NA with an IC50 of 46.7 and 8.4 μM, respectively. The inhibition kinetics analyzed by the Dixon plots indicated that rosmarinic acid and luteolin were noncompetitive inhibitors and that the inhibition constant, KI, was established as 43.9 and 14.3 μM, respectively. In addition, 578 genetically diverse accessions and 39 cultivars of P. frutescens were analyzed using HPLC to characterize the diversity of polyphenolic composition and concentration. The individual and total compositions exhibited significant difference (P < 0.05), especially rosmarinic acid which was detected as the predominant metabolite in all accessions (58.8%) and cultivars (62.8%). Yeupsil and Sangback cultivars exhibited the highest rosmarinic acid (3,393.5 μg/g) and luteolin (383.3 μg/g) content respectively. YCPL177-2 with the high concentration (889.8 μg/g) of luteolin may be used as a genetic resource for breeding elite cultivars.
Slow-Binding Inhibition of Soybean Lipoxygenase-1 by Luteolin
Tae-Joung Ha,장대식,Myoung-Hee Lee,Hyun-Tae Kim,Hyun Sook Kwon,In-Youl Baek,Isao Kubo 대한약학회 2012 Archives of Pharmacal Research Vol.35 No.10
Luteolin, isolated from the seeds of Perilla frutescens (perilla seeds), inhibited the peroxidation of linoleic acid catalyzed by soybean lipoxygenase-1 (EC 1.13.11.12, Type 1) with an IC50 of 5.0 μM (1.43 μg/mL)noncompetitively. The progress curves for an enzyme reaction indicate that luteolin shows slow binding kinetics. Both the initial velocity and steady-state rate in the progress curve were decreased with increasing the concentration of luteolin. The kinetic parameters, which described the inhibition by luteolin, were evaluated by nonlinear regression fits.