suspensions were heated at 121 C for 10 min in an autoclave,cooled to room temperature, and stored at 4 C for 24 h. The gelatinous suspensions were subsequently stirred well and hydrolysed by incubation in the presence of thermostable a-amylase at 95 C for 2 h in an orbital incubator-shaker. The processing method was the same as that used to prepare GP-LRS3.