Research Article

Effect of Microwave Heat Processing on Nutritional Indices, Antinutrients, and Sensory Attributes of Potato Powder-Supplemented Flatbread

Table 1

Nutritional composition of straight-grade wheat flour (SGF), raw and processed (microwave heat treated) potato powder, and supplemented chapatis (g/100 g).

TreatmentsMoistureAshFatFiberProteinNFE

SGF10.92 ± 0.05a0.41 ± 0.03c1.32 ± 0.03a2.60 ± 0.05b8.89 ± 0.09a75.87 ± 0.14a
Raw PP9.39 ± 0.09b2.54 ± 0.01a0.90 ± 0.03b6.26 ± 0.07a10.23 ± 0.67a70.69 ± 0.74b
Processed PP8.85 ± 0.07c2.44 ± 0.05b0.81 ± 0.02b5.76 ± 0.07a10.00 ± 0.57ab72.14 ± 0.54b
T035.65 ± 0.07a0.48 ± 0.01c1.85 ± 0.02a2.15 ± 0.02c8.33 ± 0.01d51.52 ± 0.07b
T134.21 ± 0.16b0.49 ± 0.01c1.65 ± 0.01b2.24 ± 0.06c9.13 ± 0.19c52.27 ± 0.42b
T231.06 ± 0.08c0.51 ± 0.01c1.59 ± 0.01c2.36 ± 0.09bc9.43 ± 0.12bc55.04 ± 0.33a
T330.25 ± 0.07d0.55 ± 0.01b1.43 ± 0.04d2.51 ± 0.01ab9.63 ± 0.19ab55.62 ± 0.23a
T429.75 ± 0.07e0.63 ± 0.01a1.31 ± 0.01e2.61 ± 0.16a9.91 ± 0.16a55.79 ± 0.38a

Values are means ± S.D. (n = 2). Values having identical lettering in each column are nonsignificant at . T0 = 100% straight-grade wheat powder chapatis (control), T1 = 2.5% processed potato powder (PP), T2 = 5% processed PP, T3 = 7.5% processed PP, and T4 = 10% processed PP. Nitrogen-free extract = 100–(moisture + ash + fat + fiber + protein).