적소두단백질(Red Bean Protein)과 Transglutaminase를 첨가한 돈육 근원섬유 단백질의 물성 증진 효과

• 발행기관: 한국축산식품학회
• 저자명: 장호식 진구복
• 간행물 정보: 『Food Science of Animal Resources』Korean Journal for Food Science of Animal Resources 제31권 제5호, 782~790쪽, 전체 9쪽
• 주제분류: 농수해양 > 식품과학
• 파일형태: PDF
• 발행일자: 2011.10.31

영문 초록

The effects of soy protein isolate (SPI) and red bean protein isolate (RBPI) on gelling properties of pork myofibrillar protein (MP) in the presence of microbial transglutaminase (MTG) were studied at 0.45 M NaCl. MP paste was incubated with MTG (0.1%) at various levels (0.1, 0.3, 0.5, and 1%) of SPI and RBPI before incubating at 4℃ for 4 h. The rheological property results showed that MP gel shear stress increased with increasing RBPI concentration. Cooking yield (CY) of the MP gel increased with increasing RBPI and SPI, whereas gel strength (GS) was not affected by adding RBPI or SPI. Thus, effects of incubation time (0, 4, 8, 10, and 12 h) were measured at 0.1% SPI and RBPI. GS values of the MP gel at 10 and 12 h were similar and were higher than those of the others. CY values were highest when RBPI (0.1%) was added, regardless of incubation time. The protein patterns indicated that incubating the MP with MTG for 10 h resulted in protein cross-linking between MP and RBPI or SPI. Based on these results, RBPI and SPI could be used as an ingredient to increase textural properties and cooking yield of meat protein gel.

키워드

red bean protein isolate soy protein isolate myofibrillar protein transglutaminase