G started to increase and reached the first peak at about 25 c. The initial increase of G at low temper- ature could be related to act molecular interactions which formed a weaker three-dimensional gel network(Lefevre Fauconneau. Quali, & Culioli. 1998 subsequently, G decreased at 40 °Cand then dropped to the minimum abruptly at around 45 There were several reasons for the decline of G'. At first, heating broke a large number of hydrogen bonds that maintained the fol- ded protein structure(Liu. Zhao. Xiong. Xie, & Liu. 2007). Addi- tionally, high activity of endogenous proteolytic enzymes could degrade myosin and result in a breakdown of gel structure in the temperature range. Dissociation of actin-myosin and the dena- turation of myosin tail could increase the protein mobility and break the network structure of gel. Upon further heating. G increased sharply to approximate 65 Cand then increased moderately to 90 °C, which might be caused by the formation of up a stable gel structure due to continuous protein aggregation(Liu et al.. 2007)