Table 1.
Blend | Substitution level (%) | Color values | ΔE | SR | Rupture force (N) | RS (%) | ||
---|---|---|---|---|---|---|---|---|
L * | a * | b * | ||||||
Flour | 0 | 60a | 9.2a | 30.2a | 12.5a | 52.7c | 1.2a | |
Flour + GRS | 10 | 63.39b | 10.0b | 31.5b | 3.72 | 13.2b | 27.6b | 3.8b |
Flour + GRS | 20 | 64.4c | 11.4c | 35.2c | 7.01 | 16.1c | 16.9a | 6.7c |
F value | - | 62.90 | 50.32 | 76.22 | 5.40 | 155.72 | 35.28 | |
Pooled S.D. | 0.50 | 0.27 | 0.51 | 1.44 | 2.55 | 0.81 | ||
Flour | 0 | 60a | 9.2b | 30.2b | 12.5a | 52.7b | 1.2a | |
Flour + ES | 10 | 63.14b | 8.5a | 29.5a | 3.29 | 17.4b | 31.6a | 7.8b |
Flour + ES | 20 | 63.3b | 8.6a | 28.5a | 3.76 | 20.2c | 29.8a | 9.1c |
F value | - | 78.39 | 13.96 | 22.22 | 23.76 | 81.78 | 238.12 | |
Pooled S.D. | 0.37 | 0.18 | 0.37 | 1.37 | 2.44 | 0.47 |
Means with similar superscripts in a column do not differ significantly (p ≤ 0.05). GRS- gelatinized-retrograded starch, ES-extruded starch, SR-spread ratio, RS-resistant starch, ΔE- colour difference between cookies made from flour with and without substitution with GRS and ES