The Vc and TP (Sinopharm Chemical Reagent Co., Ltd., Shanghai, China)were dissolved in cold distilled water (4 C). The fish slices (50 g) were marinated in 100 mL solution of the Vc (0.2 g/100 mL and 0.4 g/100 mL) or TP (0.1 g/100 mL and 0.2 g/100 mL) for 2 h. The marinated fish slices were placed on a stainless steel wire mesh for 10 min before drying.