Table 3.
Quality index | Methods of dough preparation | |||||||
---|---|---|---|---|---|---|---|---|
With regular sourdough starter | With thick sourdough starter | |||||||
Control | Amount of SMPI, % flour mass | Control | Amount of SMPI, % flour mass | |||||
8 | 10 | 12 | 8 | 10 | 12 | |||
Bread mass volume, mL/100 g | 320 ± 1.1b | 328 ± 3.1b | 336 ± 2.2a | 330 ± 3.1b | 324 ± 1.2b | 340 ± 2.1a | 348 ± 2.1a | 346 ± 1.7a |
Dimensional stability, | 0.40 ± 0.11a | 0.41 ± 0.11a | 0.42 ± 0.11a | 0.43 ± 0.17a | 0.40 ± 0.11a | 0.42 ± 0.09a | 0.45 ± 0.04a | 0.46 ± 0.11a |
Acidity, degrees | 2.7 ± 1.1a | 2.8 ± 0.1a | 2.9 ± 0.11a | 3.1 ± 0.27a | 2.7 ± 0.17a | 2.8 ± 0.27a | 2.9 ± 1.31a | 3.1 ± 2.19a |
Porosity, % | 70 ± 1.2b | 71 ± 2.1b | 73 ± 3.1b | 72 ± 1.1b | 72 ± 2.1b | 75 ± 1.9a | 77 ± 2.2a | 76 ± 2.9a |
Structural and mechanical properties of the crumb | ||||||||
∆Нtotal | 92 ± 1.1c | 96 ± 1.3b | 99 ± 3.1b | 97 ± 2.1b | 97 ± 2.1b | 108 ± 2.1a | 115 ± 2.1a | 111 ± 2.1a |
∆Н(plasticity) | 68 ± 0.91b | 70 ± 2.1b | 72 ± 2.1b | 70 ± 1.9b | 72 ± 1.1b | 81 ± 1.1ab | 85 ± 1.9a | 83 ± 1.2a |
∆Н(elasticity) | 24 ± 0.21b | 26 ± 0.94ab | 27 ± 0.19ab | 27 ± 0.27ab | 25 ± 0.61b | 27 ± 0.09ab | 30 ± 0.94a | 28 ± 0.64ab |
Organoleptic evaluation: Color of the crumb | Typical for this type of product | Light | Light | With a touch of gray color | Typical for this type of product | Light | Light | With a touch of gray color |
*Each observation is a mean ± SD of 3 replicate experiments