2. Materials and methods
2.1 materials
All-purpose wheat flour and granulated salt were obtained from CJ Co. (Seoul, Korea). Whole wheat flour was purchased from the chung-bori agricultural association (Go-chung, Korea). Aliginc acid sodium salt from brown algae (A-2158, low viscocity), guar gum (9000-30-0), and xanthan gum (11138-66-2)