Table 2. Effects of drying methods on cooking loss, water holding capacity (WHC), and texture profile analysis (TPA) of heat-induced duck blood gels
Trait | Treatment |
SD | FD | VD | HD |
Cooking loss (%) | 5.86±0.56b | 3.44±0.61c | 9.97±0.99a | 4.42±0.05bc |
WHC (%) | 10.64±0.59b | 12.27±0.77a | 10.66±0.49b | 12.86±0.56a |
Hardness (kg) | 1.50±0.08b | 2.14±0.05a | 1.19±0.01c | 2.02±0.06a |
Springiness | 0.85±0.10 | 0.84±0.15 | 0.83±0.44 | 0.85±0.04 |
Cohesiveness | 0.66±0.00a | 0.67±0.00a | 0.66±0.00a | 0.56±0.03b |
Gumminess (kg) | 0.93±0.02c | 1.43±0.02a | 0.78±0.01d | 0.98±0.02b |
Chewiness (kg) | 0.78±0.02c | 1.21±0.03a | 0.66±0.01d | 0.86±0.01b |
All values are presented as the mean±SEM (n=3).
Means within a row with different letters are significantly different (p<0.05).
SD, gels from spray-dried duck blood powder; FD, gels from freeze-dried duck blood powder; VD, gels from vacuum-dried duck blood powder; HD, gels from hot air-dried duck blood powder.