Table 1.
Changes in nutritional composition, anti-nutritional, total phenolic content and antioxidant activity of fenugreek seed flour
Raw | Soaked | Germinated | Roasted | CD (P < 0.05) | |
---|---|---|---|---|---|
Moisture % | 6.3 ± 0.34 | 5.2 ± 1.03 | 5.5 ± 0.30 | 4.2 ± 0.14 | 1.07 |
Crude Protein % | 32.7 ± 0.43 | 35.1 ± 0.70 | 41.2 ± 1.10 | 36.8 ± 1.00 | 1.60 |
Crude Fat % | 4.8 ± 0.16 | 4.6 ± 0.15 | 3.7 ± 0.12 | 4.5 ± 0.22 | 0.32 |
Ash % | 3.7 ± 0.25 | 4.0 ± 0.31 | 4.6 ± 0.30 | 3.8 ± .22 | 0.52 |
Crude fiber % | 6.0 ± 0.07 | 6.0 ± 0.10 | 8.8 ± 0.6 | 6.2 ± 0.11 | 0.58 |
Carbohydrates by difference % | 46.1 ± 1.14 | 44.8 ± 1.30 | 35.7 ± 0.56 | 43.9 ± 1.23 | 2.07 |
Total dietary fiber (TDF) % | 45.4 ± 0.56 | 41.7 ± 0.63 | 31.3 ± 0.74 | 40.9 ± 0.84 | 1.32 |
Insoluble dietary fiber (IDF) % | 25.1 ± 0.79 | 22.5 ± 1.03 | 19.9 ± 0.47 | 23.7 ± 0.58 | 1.42 |
Soluble dietary fiber (SDF) % | 20.2 ± 0.25 | 19.2 ± 1.39 | 11.3 ± 0.46 | 17.1 ± 0.26 | 1.42 |
Ca mg/100 g | 70.5 ± 0.68 | 68.2 ± 0.86 | 70.7 ± 0.62 | 71.2 ± 0.77 | 1.27 |
P mg/100 g | 544.5 ± 1.26 | 612.8 ± 0.90 | 632.3 ± 0.92 | 611.9 ± 0.27 | 1.76 |
Fe mg/100 g | 11.6 ± 0.59 | 10.7 ± 0.19 | 11.5 ± 0.31 | 13.1 ± 0.25 | 0.70 |
Zn mg/100 g | 5.7 ± 0.34 | 5.2 ± 0.20 | 5.5 ± 0.02 | 6.2 ± 0.12 | 0.35 |
In vitro starch digestibility (mg maltose released/g meal) | 36.3 ± 0.71 | 39.3 ± 0.51 | 46.1 ± 0.33 | 37.3 ± 0.43 | 1.01 |
In vitro protein digestibility % | 48.6 ±1.07 | 57.4 ± 0.67 | 63.0 ± 0.73 | 55.8 ± 0.58 | 1.48 |
Total phenolic content (mg of gallic acid equivalents/g of sample) | 45.4 ± 0.02 | 54.4 ± 0.01 | 80.8 ± 0.02 | 48.5 ± 0.01 | 0.14 |
Antioxidant activity % | 18.1 ± 0.70 | 60.7 ± 0.57 | 73.9 ± 0.45 | 32.0 ± 0.76 | 1.19 |
Phytic acid mg/100 g | 552.3 ±2.52 | 504.2 ± 2.52 | 308.7 ± 1.95 | 327.1 ± 2.00 | 4.2 |
Mean ± SD, n = 3