Table 6. Principal component (PC) values, factor loadings and eingevalues for each PC.
| PC | |||
|---|---|---|---|
| F1=78.22% | F2=12.75% | F3=9.03% | |
| Eigenvalues | 21.903 | 3.569 | 2.528 |
| Factor loadings | |||
| Sensory properties | |||
| Colour | 0.886 | –0.299 | 0.355 |
| Odour | 0.605 | –0.589 | 0.536 |
| Fatness | 0.965 | 0.166 | 0.203 |
| Hardness | –0.781 | 0.459 | 0.424 |
| Crumbliness | 0.812 | –0.273 | 0.516 |
| Sharpness | –0.773 | 0.387 | 0.503 |
| Fracturability | 0.693 | –0.714 | –0.101 |
| Adhesiveness | –0.875 | 0.457 | –0.160 |
| Particle size | 0.969 | 0.235 | –0.075 |
| Taste | 0.993 | –0.092 | –0.076 |
| Proximate composition | |||
| Protein | 0.879 | 0.474 | 0.059 |
| Fat | 0.883 | 0.316 | 0.347 |
| Starch | –0.979 | 0.200 | 0.045 |
| Reducing sugar | –0.784 | –0.307 | 0.539 |
| Ash | 0.952 | 0.076 | –0.296 |
| Total dietary fibre | 0.967 | 0.253 | 0.023 |
| Mineral content | |||
| Mg | 0.960 | 0.185 | –0.212 |
| K | 0.946 | 0.315 | 0.070 |
| Zn | 0.876 | –0.144 | –0.461 |
| Fe | 0.879 | 0.476 | 0.040 |
| Mn | –0.622 | 0.715 | –0.320 |
| Cu | 0.896 | 0.306 | 0.320 |
| Antioxidant properties | |||
| Antioxidant activity | –0.908 | –0.418 | –0.015 |
| Reducing activity | –0.980 | –0.012 | 0.198 |
| DPPH | –0.900 | –0.240 | –0.365 |
| Chelating activity | –0.885 | 0.319 | 0.340 |
| Total phenolic content | 0.956 | 0.190 | 0.223 |
| Rutin | 0.990 | –0.065 | –0.129 |
Bold factor loadings were heavily loaded (>|0.5|)