Table 1. Components of TVFE with and without supplements for Maillard reaction
| Ingredient (g) | Trt A | Trt B | Trt C | Trt D | Trt E | Trt F | Trt G |
| TVPH | 190 | 190 | 190 | 190 | 190 | 190 | 190 |
| Xylose | | 1.0 | 2.0 | 1.0 | 2.0 | 1.0 | 2.0 |
| Yeast extract | | | | 2.0 | 4.0 | 2.0 | 4.0 |
| Methionine | | | | | | 0.2 | 0.2 |
| Water | 10 | 9 | 8 | 7 | 4 | 6.8 | 3.8 |
| Total | 200 | 200 | 200 | 200 | 200 | 200 | 200 |
TVFE, tuna viscera flavor enhancer; TVPH, tuna viscera protein hydrolysate; Trt A, Treatment A; Trt B, Treatment B; Trt C, Treatment C; Trt D, Treatment D; Trt E, Treatment E; Trt F, Treatment F; Trt G, Treatment G.