Changes of SDS-PAGE Pattern of Pork Myofibrillar Proteins Induced by Electron Beam Irradiation
2005
Whang, K. (Keimyung University, Daegu, Republic of Korea), E-mail: [email protected] | Jeong, D.K. (Kosin University, Busan, Republic of Korea) | Kim, H.I. (Keimyung University, Daegu, Republic of Korea)
Actin and myosin solutions and fresh ground pork were irradiated with the electron beam (e-beam) at a dose of 0, 1.5, 3.0, 5.0 and 10 kGy. The changes in SDS-PAGE pattern of 2 proteins and the salt-soluble proteins extracted from ground pork after e-beam irradiation were monitored. When the myosin solution was irradiated with e-beam, myosin was degraded completely. Complete myosin degradations were observed even with the lowest dose (1.5 kGy) of e-beam treatment. Actin was degraded with the irradiation, but to a less extent than myosin was.
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