Table 3 Color of extruded ISP with different biji contents
| Biji (%) | Barrel temperature (°C) | Moisture content (%) | Color |
| Lightness (L) | Redness (a) | Yellowness (b) |
| 0 | 140 | 35 | 63.07±0.01l | 3.74±0.03a | 20.76±0.02a |
| 45 | 66.84±0.01k | 2.83±0.03b | 18.90±0.02f |
| 150 | 35 | 67.36±0.01i | 3.70±0.03b | 20.09±0.02b |
| 45 | 68.23±0.01g | 2.43±0.03e | 17.85±0.01f |
| 20 | 140 | 35 | 62.86±0.03i | 5.20±0.03c | 23.08±0.02c |
| 45 | 66.06±0.01f | 4.50±0.01g | 21.62±0.01d |
| 150 | 35 | 65.43±0.02e | 4.87±0.01d | 22.26±0.03e |
| 45 | 66.55±0.01b | 4.15±0.01i | 20.99±0.01g |
| 40 | 140 | 35 | 64.22±0.02k | 5.64±0.02f | 23.75±0.02f |
| 45 | 66.14±0.03f | 4.98±0.01j | 23.67±0.03i |
| 150 | 35 | 66.64±0.34h | 5.32±0.02h | 23.15±0.01h |
| 45 | 67.75±0.01e | 4.55±0.01k | 22.49±0.01j |
| 60 | 140 | 35 | 60.91±0.02j | 6.91±0.02l | 24.37±0.01k |
| 45 | 62.72±0.01d | 5.70±0.01n | 23.08±0.01m |
| 150 | 35 | 64.25±0.01c | 5.72±0.03m | 23.92±0.01l |
| 45 | 65.76±0.02a | 5.25±0.03o | 23.09±0.09n |
Means ±SD
Values with different letters in column are significantly different (p<0.05) by Duncan’s multiple range test.