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소량의 쌀 시료로 신속한 식미 관능평가를 위한 컵 배열 순위법
이점식(Jeom-Sig Lee),곽지은(Jieun Kwak),윤미라(Mi-Ra Yoon),이정희(Jeong-Heui Lee),안억근(Eok-Keun Ahn),박향미(Hyang-Mee Park),원용재(Yong-Jae Won),손지영(Ji Young Shon),김준환(Jun Hwan Kim),서정필(Jung-Pil Suh),천아름(Areum-Chun),전재범 한국육종학회 2015 한국육종학회지 Vol.47 No.2
Rice breeders or sensory evaluators are striving to develop the rapid and correct sensory evaluation method of the cooked rice with a small-sample. This study was conducted to develop a method of cooking condition and sensory evaluation of the cooked rice rapidly and correctly with a small-sample by introducing a concept of arrangement ranking to the conventional sensory evaluation method by cooking in the cup, which has been used only as a simple test. A method of simultaneous cooking of the five samples for one round of test was developed. And, an arrangement ranking method was developed just like stacking a tower by arranging the cups in the sensory evaluation. The proposed method was named as cup arrangement ranking method. The correlation analysis between the cup arrangement ranking method (CARM) and the standard sensory evaluation method(SSEM) showed a high significance of correlation (r=0.83**∼0.91**, ‘13∼’14). Further, when effectiveness of proposed method was compared with the standard sensory evaluation method, the sample quantity was a 30g level for one round of test, which is a tenth of SSEM. The time consumed for sensory evaluation was two minutes per one sample, which was a reduced value by half as compared with the time consumption by SSEM. Therefore, the cup arrangement ranking is expected to be an effective method in the selection of excellent rice line or variety having good taste by evaluating the cooking quality rapidly with a small-sample in early generation.
현웅조(Ung-Jo Hyun),이정희(Jeong-Heui Lee),정응기(Eung-Gi Jeong),장재기(Jae-Ki Chang),정국현(Kuk-Hyun Jung),조영찬(Young-Chan Cho),이점호(Jeom-Ho Lee),원용재(Yong-Jae Won),서정필(Jung-Pil Suh),안억근(Eok-Keun Ahn),정종민(Jong-Min Jeo 한국육종학회 2019 한국육종학회지 Vol.51 No.4
‘Jinhan’, a japonica rice variety, was developed from a cross between ‘Cheolwon68’ (IT218244) and ‘Junghwabyeo’ (IT260473) by the rice breeding team at National Institute of Crop Science in 2015. ‘Cheolwon68’ is early maturing and resistant to blast disease, and ‘Junghwabyeo’ is a cold-tolerant and high-quality variety. The growth duration of ‘Jinhan’ in the paddy field was 116 days in the Northern Central Highland in Korea, which was similar to that of ‘Jinbu’. The culm length of ‘Jinhan’ was 61 cm, which was 10 cm shorter than that of ‘Jinbu’. The panicle of ‘Jinhan’ was composed of 66 spikelets. The viviparous germination rate of ‘Jinhan’ was 33.2%. ‘Jinhan’ showed resistance to blast disease, but was susceptible to stripe virus, dwarf and black-streaked dwarf viruses, and plant hoppers. The milled rice grains of ‘Jinhan’ showed an excellent palatability index (0.23) and lower protein content (5.7%) than that of ‘Jinbu’. The grain milling characteristics of ‘Jinhan’ were similar to those of ‘Jinbu’. ‘Jinhan’ showed a milled rice productivity of 5.43 MT/ha at four sites cultivated in the Northern Central Highland(Registration No. 7318).
호남평야지 재배시기별 조생종 벼 품종의 품질 및 호화점도 특성 분석
박현수(Hyun-Su Park),백만기(Man-Kee Baek),이창민(Chang-Min Lee),김석만(Suk-Man Kim),서정필(Jung-Pil Suh),정오영(O-Young Jeong),조영찬(Young-Chan Cho) 한국육종학회 2021 한국육종학회지 Vol.53 No.1
Early maturing rice is widely utilized to diversify cropping systems in the Honam Plain, Korea. It is based on the principle ofa short growth duration. There is concern regarding quality deterioration of early maturing rice owing to the high temperature during theripening stage as compared to that for mid and mid-late maturing rice. This study was conducted to analyze six pasting property-related andeight quality traits of six early maturing rice varieties (Jopyeong, Odae, Unkwang, Haedamssal, Jinkwang, and Haedeul) on early, ordinary,and late cultivations, and to interpret the relationships between genotypes and environments. As the cultivation time increased, the ratio ofhead rice (HR) and glossiness of cooked rice (Toyo value, TY) increased. The cumulative mean temperature of the ripening stage showeda strong negative correlation with HR and TY at all cultivation times. Pasting temperature, peak viscosity (PV), trough viscosity, final viscosity,and breakdown (BD) decreased, whereas setback (SB) increased as the cultivation time was delayed. Pasting properties were affected moreby climate conditions in the ripening stage than during the growth stage. Additive main effects and multiplicative interaction analysis revealedthat pasting property-related and quality traits were affected more by environment than genotype. Jinkwang and Haedamssal in early and ordinarycultivation and Jinkwang and Haedeul in late cultivation exhibited higher HR and TY and a lower protein content. They also showed higherPV and BD and lower SB, which are characteristics of good eating quality japonica rice. Jinkwang, Haedamssal, and Haedeul are premium-quality,early maturing rice varieties that were recently developed. The cultivation of these varieties could improve the grain quality of early maturingrice at high temperatures during the ripening stage in the Honam Plain.
고온조건에서 등숙이 양호하고 도열병에 강한 조생 고품질 벼 ‘중모1024’ 육성
정지웅(Ji-Ung Jeung),강경호(Young-Seop Shin),최임수(Im-Soo Choi),장재기(Jae-Ki Chang),김명기(Myeong-Ki Kim),이점호(Jeom-Ho Lee),박향미(Hyang-Mi Park),양창인(Chang-Ihn Yang),전용희(Yong-Hee Jeon),서정필(Jung-Pil Suh),최인배(In-Bae Cho 한국육종학회 2016 한국육종학회지 Vol.48 No.1
‘Jungmo1024’ is a blast resistant early maturing rice cultivar with high temperature tolerance during grain filling stage. ‘Jungmo1024’ was derived from a sodium azide treatment on ‘Suweon472’, a high yielding japonica elite line which was latterly registered as ‘Namil’. Comparison with the agronomical traits of ‘Namil’, ‘Jungmo1024’ was uniquely characterized as the induced gained function due to the reduced culm length, increased tiller number, strong blast resistance and especially high temperature tolerance during grain filling stage. The high temperature tolerance of ‘Jungmo1024’ was supported by two years experiments by comparing the head rice ratio produced in ordinary paddy field and green house condition. The heading date of ‘Jungmo1024’ was July 29 in central plain area, which was 9 days earlier than that of ‘Hwaseong’. The milled rice yield performance of ‘Jungmo1024’ was about 4.98 MT/ha in local adaptability test for three years. ‘Jungmo1024’ had 69 cm in culm length, which was 15 cm shorter than that of ‘Hwaseong’, 20 cm in panicle length, 16 in tiller number, and 22.3g in 1,000 grain-weight of brown rice. ‘Jungmo1024’ exhibited strong rice blast resistance, but do not have any clear resistance gene sources against bacterial blight, viral diseases and insect fests. ‘Jungmo1024’, nevertheless, would be a useful rice cultivar could be used as a donor line for the breeding programs for developing southern plane adaptable early maturing rice cultivars with enhanced rice blast resistance, lodging tolerance, and especially high temperature tolerance during grain filling stage.
조영찬(Young-Chan Cho),백만기(Man-Kee Baek),박현수(Hyun-Su Park),조준현(Jun-Hyun Cho),안억근(Eok-Keun Ahn),서정필(Jung-Pil Suh),정지웅(Ji-Ung Jeung),이종희(Jong-Hee Lee),원용재(Yong-Jae Won),송유천(Yoo-Chun Song),정응기(Eung-Gi Jeong 한국육종학회 2020 한국육종학회지 Vol.52 No.S
Rice research in Korea during the past 100 years has gone through tremendous changes and improvements as the country underwent a turbulent history of transformation. Full-scale R&D modernization began in the 1970s, when the government focused policy on achieving self-sufficiency in rice in order to establish the foundation for national economic growth. A major landmark was reached by the development of the rice variety “Tongil” and its cultivation technology, which was at the core of the unprecedented Korean “Green Revolution”. Since achieving self-sufficiency in rice, the breeding goal of Korea moved from increasing yield to improving grain quality as more consumers began to seek high quality food products in the 1980s. This change led to the establishment of the high quality rice breeding platform for enhancing the global competitiveness of Korean rice to cope with the opening of domestic rice market in the 2000s. Currently, the major breeding goals in rice are developing premium quality cultivars for table rice and specialized cultivars for boosting processed food industry. To date, the National Institute of Crop Science has released a total of 300 rice cultivars, including 202 table rice and 98 specialized usage cultivars. Diverse technologies have been developed and utilized for breeding new rice cultivars to meet changing needs. In the next 100 years of rice breeding, the convergence of traditional crop improvement technologies and the new breeding technologies utilizing recent advances in biotechnology will play a crucial role in enhancing breeding efficiency.
김명기(Myeong-Ki Kim),신영섭(Young-Seop Shin),원용재(Yong-Jae Won),안억근(Eok-Keun Ahn),서정필(Jung-Pil Suh),정국현(Kuk-Hyun Jung),이점호(Jeom-Ho Lee),전용희(Yong-Hee Jeon),윤영환(Young-Hwan Yoon),윤광섭(Kwang-Sup Yoon),장재기(Jae-Ki 한국육종학회 2015 한국육종학회지 Vol.47 No.2
There are farmer’s demands to develop early-maturing cultivar in order to replace Odae variety to mid-northern inland plain and southern mountainous area of Korea. Saeodae was developed by the rice breeding team of Cheolwon Substation, National Institute of Crop Science (NICS), RDA in 2012. This cultivar was derived from the cross between Geuroobyeo and Suweon 472 in 2001 summer season, and selected by a promising line, SR27376-2-2-1-3, was selected and designated as the line of Cheolweon 81 in 2010. The local adaptability test of Cheolweon 81 was carried out at four locations from 2010 to 2012 and it was named as Saeodae. The heading date of Saeodae is July 25 in Cheolwon area, which is 2 days earlier than that of Odae. This variety has 66cm in culm length and 77 spikelets per panicle. Its 1,000 grain-weight of brown rice is 26.5 g, which is similar to that of Odae. Germination rate at low temperature of this variety is about 70%, and viviparous germination is 17.7%. Cold tolerance of this cultivar is still not good, just mediocre. It shows strong lodging resistance. And premature heading, occurrence of wilting during ripening stage, and leaf senescence at maturing are similar to those of Odae. This variety shows resistance to leaf blast disease, but susceptible to bacterial blight, virus disease and insect pest. This variety has translucent and clear milled rice kernel without white core and belly rice. The yield potential of Saeodae was about 5.26 MT/ha at ordinary fertilizer level in local adaptability test for three years. This variety would be adaptable to mid-northern inland plain and southern mountainous area of Korea.
검진센터에서 헬리코박터 필로리 혈청 IgG 항체 검사가 필요한가?
권정현 ( Jung Hyun Kwon ),최명규 ( Myung Gyu Choi ),허원행 ( Won Hang Huh ),서정필 ( Jung Pil Suh ),남관우 ( Kwan Woo Nam ),장재혁 ( Jae Hyuck Chang ),박재명 ( Jae Myung Park ),조유경 ( Yu Kyung Cho ),이인석 ( In Seok Lee ),김상우 대한내과학회 2008 대한내과학회지 Vol.75 No.3
Background/Aims: The serum Helicobacter pylori IgG antibody test has been widely used by primary care physicians for over two decades. We assessed its usefulness as a screening strategy for organic gastrointestinal disease in routine check-up. Methods: We retrospectively reviewed the medical records of 10,080 subjects who received a routine check up at the Kangnam St. Mary`s Hospital from January 2004 to April 2005. All subjects underwent the H. pylori IgG antibody test and upper gastrointestinal endoscopy or a barium contrast study. Results: The overall seropositive rate for H. pylori detection was 61.0% (6,150/10,180). The 13C-urea breath test (UBT) was performed in 340 subjects. The H. pylori antibody test showed 55% accuracy in comparison to the standard 13C-UBT. The number of patients with peptic ulcer in the seropositive group was 475 (7.7%) compared to only 168 patients (4.3%) in the seronegative group (p<0.001). Stomach cancer was observed in eight (0.1%) and two (0.1%) patients in the seropositive and seronegative groups, respectively. The positive and negative likelihood ratios for the H. pylori IgG antibody test for peptic ulcer were 1.22 and 0.66, respectively, compared to 1.31 and 0.26 for stomach cancer. Conclusions: In view of its low accuracy and likelihood ratios, we do not recommend the H. pylori antibody test as a diagnostic tool for H. pylori infection or as a screening strategy for organic gastrointestinal disease during routine check-ups. (Korean J Med 75:300-306, 2008)
Phenytoin에 의한 항경련제 과민증후군의 스테로이드 치험증례
김영옥,서정필,김은일,조석구,이창돈,이종육,유도성,김달수,Kim, Young-Ok,Suh, Jung-Pil,Kim, Eun-Il,Cho, Seok-Goo,Lee, Chang-Don,Yi, Jong-Yuk,Yoo, Do-Sung,Kim, Dal-Soo 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.12
Anticonvulsant hypersensitivity syndrome is a rare but fatal complication. It manifests as fever, skin rash, lymphadenopathy, and hepatitis. Phenytoin, phenobarbital, and carbamazepine are the most frequently involved drugs. We here report a case of phenytoin-induced anticonvulsant hypersensitivity syndrome. A 37-year-old woman presented with fever and generalized skin rash, 3 weeks following commencement of phenytoin 400mg daily for treatment of seizure after superficial temporal artery-middle cerebral artery(STA-MCA) anastomosis for moyamoya disease. Her temperature was $39.3^{\circ}C$ and her face was edematous. Laboratory findings showed elevated hepatic enzymes and eosinophilia. Blood and urine culture were all negative. Initially, prednisolone was commenced at 30 mg daily. But fever and skin rash did not improved and hepatic function was more aggravated. After increasing dose of steroid(methylprednisolone 125mg/day), fever and skin rash disappeared and hepatic enzymes returned to normal range.