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이예슬 ( Ye-seul Lee ),김종문 ( Jong-mun Kim ),김용주 ( Yong-joo Kim ),정다운 ( Da-un Jeong ),강태경 ( Tae-kyung Kang ),이상희 ( Sang-hee Lee ),정선옥 ( Sun-ok Chung ) 한국농업기계학회 2017 한국농업기계학회 학술발표논문집 Vol.22 No.2
밭작물 기계화를 위해서는 단일 기계뿐 아니라 생산 전과정기계화 작업체계가 완성되어야 한다. 특히 무· 배추는 김치의 주재료이며 수확작업의 대부분이 인력으로 수행되고 있어 기계화 기술 개발이 시급하다. 또한 자주식 개발 연구가 일부 진행 중이지만, 기계화율을 향상시키고 농업기계 임대사업 등의 효과를 극대화하기 위하여 트랙터 부착형 무·배추 수집기 개발이 필요하다. 따라서 본 연구에서는 트랙터 부착형 무·배추 수집기 개발을 위한 연구동향을 분석하였다. 국외 제품 분석 결과, 주로 보행형, 트랙터 부착형 또는 트랙터-트레일러와 연계하여 후처리까지 수행하는 수확기의 개발이 진행되었다. 뿌리절단날로는 진동굴취날, 원판뿌리절단날, 원판뿌리유도날 등이 사용되고 있으며 이송부의 컨베이어벨트로는 연질고무돌기부착벨트와 평벨트를 주로 사용하고 있다. 일본 Yanmar사 26마력 엔진 무 수확기는 크게 주행부, 수확부, 수취부로 나눠져 있다. 변속방식은 HST 무단변속, 주행방식은 무한궤도식이다. 덴마크 ASA-Lift사 양배추 수확기는 1조식, 2조식 방식으로 접이식 적재함을 탑재하고 있는 트랙터 부착형 배추수확기이다. 국내 연구 동향 분석 결과, 1998~2001년에 농촌진흥청에서 수행된 “배추재배 일관기계화 시스템”연구의 세부과제로 개발된 “트랙터 부착형 배추 수확기”가 유일한 연구이며, 배추물성 측정, 주요 설계요인에 대한 기초시험, 시작품에 대한 현장실증시험 등 체계적인 연구를 수행하였다.
갓(Brassica juncea)을 첨가한 간장 피조개(Scapharca broughtonii)장의 개발 및 관능특성
강상인 ( Sang In Kang ),김예진 ( Ye Jin Kim ),이지운 ( Ji Un Lee ),박시형 ( Si Hyeong Park ),최관수 ( Kwan Su Choi ),송호수 ( Ho-su Song ),최정미 ( Jung-mi Choi ),허민수 ( Min Soo Heu ),이정석 ( Jung Suck Lee ) 한국수산과학회 2021 한국수산과학회지 Vol.54 No.6
The home meal replacement (HMR) market has attracted significant attention due to COVID-19 pandemic and products that utilize the combination of different processed ingredients are now being developed. In this study, Broughton’s ribbed ark Scapharca broughtonii was soaked in seasoned soy sauce with the incorporation of mustard leaf Brassica juncea (M-BRA), which is known to have a unique texture as well as excellent functional properties such as antioxidation, to develop a regional specialty product. The optimal conditions for manufacturing M-BRA from the seasoned soy sauce (the sauce to be added [X<sub>1</sub>] and the soaking time [X<sub>2</sub>]), were examined using response surface methodology (RSM) to analyze the significance of the salinity (Y<sub>1</sub>), amino-N content (Y<sub>2</sub>), and overall acceptance (Y<sub>3</sub>). The coefficient of determination (R<sup>2</sup>) between X<sub>1</sub>-X<sub>2</sub> and Y<sub>1</sub>-Y<sub>3</sub> were close to 1, thereby confirming the suitability of the RSM model. The optimal conditions were seasoned soy sauce addition of 140% and soaking time of 156 min. The M-BRA manufactured under these conditions exhibited superior overall acceptance compared to seasoned commercial soy sauce, which was used as a control. We expect that the market for M-BRA manufactured by combining marine and agricultural materials will expand owing to superior overall acceptance compared with commercial products.
비린내와 조직감이 개선된 치즈 토핑 반건조 조미 피조개(Scapharca broughtonii)의 개발 및 특성
강상인 ( Sang In Kang ),김예진 ( Ye Jin Kim ),이지운 ( Ji Un Lee ),박지훈 ( Ji Hoon Park ),최관수 ( Kwan Su Choi ),황지영 ( Ji-young Hwang ),허민수 ( Min Soo Heu ),이정석 ( Jung Suck Lee ) 한국수산과학회 2021 한국수산과학회지 Vol.54 No.6
Methods for the development of home meal replacement seafood tailored to consumer needs for the advanced use of Broughton’s ribbed ark Scapharca broughtonii (BRA) in Korea are required. In this study, we developed a cheesetopped, semi-dried, and seasoned Broughton’s ribbed ark (S-BRA) tailored for the younger generation with an improved texture and fish odor. The optimization of conditions to improve the texture and fish odor was performed using RSM. The design of the model was appropriate because there was no significant difference (P>0.05) between the predicted and actual values of moisture content, hardness, and overall acceptance, and the optimal preparation conditions were a vinegar content of 2.68%, a soaking time of 62 min, a drying temperature of 60℃, and a time of 162 min. The SBRA manufactured under these optimal conditions exhibited a lower odor intensity compared to the unsoaked and undried control, suggesting that the fish odor of S-BRA has been improved. The moisture content related to the texture of the S-BRA was lower than that of the control, and the hardness was higher. Therefore, the S-BRA developed in this study will appeal to people of all ages, especially the younger generation; their consumption is expected to increase.
윤승현 ( Seung-hyun Yoon ),남유리 ( Yu Ri Nam ),강현수 ( Hyun-su Kang ),정다운 ( Da Un Jeong ),유예담 ( Ye Dam Yoo ),임기무 ( Ki-moo Lim ),박성준 ( Seong-jun Park ),김배환 ( Bae-hwan Kim ),김기석 ( Ki-suk Kim ) 한국동물실험대체법학회 2021 동물실험대체법학회지 Vol.15 No.1
For the assessment of cardiotoxicity and Torsade de Pointes (TdP), a fatal arrhythmic symptom, ICH S7B and E14 guidelines were presented. However, focusing on hERG block, which are essential determinants of arrhythmic risk, may unexpectedly limit drug development by increasing the risk of drugs that are actually non-toxic. To compensate for these problems, the Comprehensive in vitro Proarrhythmic Assay (CiPA) project was proposed. In this study, based on the CiPA project and previous studies, the nine drugs were tested using in vitro multiple ion channel screening on both temperature conditions (room temperature and 37℃). Using the in vitro results, in silico computer simulation was performed based on the O'Hara-Rudy human ventricular myocyte model, and same as the CiPA project obtained a new biomarker, qNet. The in silico computer simulation was performed using 2000 samples of IC<sub>50</sub> values extracted by R code. The nine test drugs were associated with cardiotoxicity and TdP, and were selected by the CiPA project and previous studies. Furthermore, as in previous studies, Torsade Metic Score (TMS), the mean qNet value averaged across 1-4 × Cmax, and the threshold was calculated. As a result, the nine tested drugs using the TMS were well plotted by the risk categories and the threshold was able to well classify the risk categories by grade on both temperature conditions. In particular, the threshold 2 value confirmed to significant difference depending on the temperature conditions. The range of threshold narrowed at 37℃, which can be considered as having the ability to distinguish more finely. It shows the correlation with the CiPA project’s validity that a study should be tested at a physiological temperature of 3 7℃. In this study, using the method proposed by the CiPA project, it was possible to predict the risk groups of drugs more accurately, which could be presented as a new paradigm in the cardiotoxicity assessment.