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강상미,진구복,조수현,이종문 한국동물자원과학회 2004 한국축산학회지 Vol.46 No.1
Processed meats, such as a ground meat and hamburger patty, are required to ensure that no pathogens remain in the final products. However, there was no rapid method available to verify that the recommended end-point cooking temperature(EPT) was reached. Thus, the objective of this study was to rapidly determine EPT of ground pork hams using sodium dodecyl sulfate-polyacrylamide gel electrophoresis(SDS-PAGE), based on the disappearance of sarcoplasmic proteins after cooking. Fresh pork hams were added two levels of salt(0, 2%) and fat(15, 25%) combinations, and stored in refrigerator overnight, and cooked to internal cooking temperatures of 64℃ to 74℃ with 2℃ increments. Cooked pork hams were measured cooking loss(CL, %), protein solubility(PS) and SDS-PAGE. CL(%) was reduced with the addition of 2% salt, as compared to the control, regardless of fat contents. It was also increased with increasing cooking temperature. Protein solubility was affected by the cooking temperature, resulting in reduced PS up to 64℃(P<0.05), but remained constant higher than 68℃. In SDS-PAGE analysis, protein bands with the molecular weights of 36 and 66 kDa were affected by the addition of salt and fat combinations, regardless of treatments. These protein fractions were decreased gradually with increased cooking temperatures up to 68℃~70℃ and might be good indicators for the determination of EPT in ground pork hams.
조수현,박범영,진구복,유영모,채현석,안종남,이종문,윤상기 한국동물자원과학회 2003 한국축산학회지 Vol.45 No.2
본 설문조사는 국내 육가공제품의 시장에 대한 소비자 의식과 구매형태를 파악하고 시장확대를 위한 기본방안 구축을 위하여 10월부터 12개월까지 3개월 조사한 결과이다. 육가공제품의 구입횟수는 월 1∼2회로 구입하는 소비자가 40.73%로 가장 많았고 그 다음이 주 1∼2회 구입하는 것(28.07%)으로 나타났다. 햄과 소시지를 구분할 수 있는지에 대한 질문에 구분한다가 86.75%로 나타난 반면 구분하지 못한다가 13.25%로 나타났다. 햄과 소시지를 구분하지 못하는 소비자들은 그 이유로서 두 제품의 고기 함량 및 첨가내용물들이 비슷하여서라는 응답이 47.19%로 가장 많았다. 햄과 소시지를 구입할 때 가장 중요하게 고려하는 사항은 회사명(brand name)인 것으로 나타났으며(32.76%) 원료육의 종류(16.53%), 유통기한(16.38%) 및 원료육 생산지(16.23%)인 것으로 나타났다. 햄 또는 소시지 구입시 제품설명 표시내용을 읽느냐는 질문에 응답자들 중 72.25%가 그렇다고 응답한 반면 27.25%는 읽지 않는다고 응답하였다. 소비자들은 햄과 소시지 구입시 불만사항으로 소비자들이 제품내에 고기보다는 결착제를 비롯한 다른 첨가제들이 많아서 고기맛을 거의 느낄 수 없다고 응답하였으며(47.65%), 외관 및 내용물이 비슷한 제품이 너무 많다고 응답한 소비자 및 맛이 없다고 응답한 소비자가 각각 27.70%, 11.62%인 것으로 나타났다. 햄 및 소시지 제품에 대한 요구사항으로 고기 함량이 높은 제품을 생산하기를 원한다고 응답한 소비자가 64.04%였다. 햄과 소시지 제품 판매시 품질에 따른 가격차등제 실시에 대하여 찬성한다고 응답한 소비자가 83.54%인 것으로 나타나 현재 많은 소비자들이 햄과 소시지 제품의 품질에 따른 가격차등제 실시를 원하는 것으로 나타났다. 우리나라도 품질에 따른 등급 기준 설정과 품질별 가격차등제 실시를 통하여 육가공 제품시장의 확대가 가능할 것으로 판단되며 이는 국내돈육의 비선호부위의 소비촉진도 가능할 것이다. Consumer survey(n=1,343) was carried out to investigate the consumer's perception, purchase behavior and demand on the processed meat products. Most consumers purchased the ham and sausage products once a month (40.73%). Consumers(47.19%) didn't distinguish between ham and sausage products due to the similarity of meat contents and additives in products. Consumers(72.75%) considered the product label when they purchased whereas 27.25% of consumers were not interested in the product label. Consumers(47.65%) were not satisfied with ham and sausage products because there were too much additives other than meat, there were many similar processed products in kinds and appearance(27.70%) and they could hardly detect meat taste(11.62%). Consumers demanded to produce the ham and sausage products which contain high meat contents(64.04%). Consumers were favored with establishment of the price differential system depending on the quality based on meat contents in the product(83.54%). In conclusion, the establishment of the price differential system depending on quality as well as the quality grading system for processed meat products is needed not only to increase the processed meat market but also increase the pork consumption especially for non-preferred pork portions.
이상세,고석남,임승관,정호춘,진달복,이문영,박병림 원광대학교 생체공학연구소 2000 원광인체과학회지 Vol.4 No.1
Easy check system for cardiac function war developed for computer user in this study. EKG amplifier was designed to remove a common noise and muscle noise. EKG pattern, and calculated real time heart rate and probability if arrhythmia were displayed in personal computer. This system would be an effective tool for checking cardiac function in everyone using computer
Singh, P.,Lee, H.C.,Silva, M.F.,Chin, K.B.,Kang, I. Elsevier 2017 FOOD CONTROL Vol.77 No.-
<P>The purpose of this research was to evaluate the effects of trisodium phosphate dip (TSP), hot water dip (HWD) and their combination dip with/without brushing on broiler breast skin for bacterial reduction and structural changes. Eviscerated broiler carcasses were obtained from a local slaughter plant and immediately subjected to one of six treatments: 1) two tap water dips at 25 degrees C (TWD/TWD), 2) TWD/ TWD with brushing (TWD/TWD/B), 3) TWD and TSP at 8%/25 degrees C (TWD/TSP), 4) TWD and HWD at 71 degrees C (TWD/HWD), 5) TSP and HWD (TSP/HWD), and 6) TSP/HWD with brushing (TSPIHWD/B). Each dip was conducted for 45 s with or without brushing at 5 s on/off during the second dip. Compared to the control (TWD/TWD), TSP/HWD significantly reduced mesophilic aerobic bacteria (MAB), Escherichia coli (E. coli), and total coliforms by 1.1, 0.9 and 1.0 log CFU/g, respectively, and Salmonella prevalence by 53.3% (P < 0.05), whereas TWD/TSP and TWD/HWD showed intermediate reductions (P < 0.05). Upon brushing, TSP/HWD/B reduced populations of MAB, E. coli, and total coliforms, and the prevalence of Salmonella more effectively than control of brushing (TWID/TWD/B) (P < 0.05). When two sampling methods were compared, the method of stomaching released fewer MAB and total coliforms (named loosely-associated cells) than the grinding of the stomached skin (named tightly-associated cells). Compared to controls (TWD/TWD and TWD/TWD/B), both TSP/HWD and TSP/HWD/B generally resulted in darker, less reddish, and more yellowish breast skin. Scanning electron microscope and histological images indicated that both TSP/HWD and TSP/HWD/B had deeper skin penetration than controls or TWD/HWD and TWD/TSP. Overall, TSP/HWD/B showed the most effectiveness in broiler carcass decontamination. (C) 2017 Published by Elsevier Ltd.</P>