Table 3.
Aroma and appearance profiles from descriptive analysis (0–15 scale).
| Aroma profile from descriptive analysis (0–15 scale) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Sample # | A | B | C | D | E | F | G | H |
| Atribute | ||||||||
| Ashy | 0 | 0 | 0 | 0 | 1.5 | 0 | 0 | 0 |
| Barnyard | 3.0 | 5.0 | 3.0 | 5.5 | 3.0 | 2.5 | 3.0 | 2.5 |
| Broth | 2.5 | 2.5 | 3.0 | 3.5 | 2.5 | 3.0 | 2.5 | 0.0 |
| Brown | 3.0 | 2.0 | 2.5 | 0.0 | 3.0 | 4.0 | 3.0 | 0.0 |
| Burnt | 0.0 | 0.0 | 0.0 | 3.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Cardboard | 3.0 | 4.0 | 2.5 | 0.0 | 3.0 | 0.0 | 3.0 | 3.0 |
| Cooked | 2.0 | 3.0 | 2.5 | 5.0 | 2.0 | 3.0 | 3.0 | 2.0 |
| Dusty/Earthy | 0.0 | 2.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 |
| Fish | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.0 | 4.0 |
| Grain | 3.0 | 2.5 | 3.0 | 0.0 | 4.0 | 2.5 | 3.0 | 3.0 |
| Liver | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.0 | 0.0 |
| Meaty | 3.5 | 0.0 | 3.0 | 4.0 | 0.0 | 4.0 | 0.0 | 0.0 |
| Musty/Dusty | 2.0 | 2.0 | 2.0 | 3.0 | 3.0 | 2.5 | 0.0 | 2.5 |
| Oily | 0.0 | 0.0 | 2.5 | 0.0 | 2.0 | 2.0 | 0.0 | 0.0 |
| Oxodized Oil | 2.5 | 2.5 | 0.0 | 5.0 | 0.0 | 0.0 | 3.5 | 3.0 |
| Plastic | 2.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Soy | 2.5 | 0.0 | 1.5 | 3.0 | 2.5 | 0.0 | 0.0 | 0.0 |
| Smokey | 2.0 | 0.0 | 2.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 |
| Spice Brown | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 |
| Spice Complex | 0.0 | 0.0 | 2.5 | 3.0 | 1.5 | 1.0 | 0.0 | 0.0 |
| Stale | 2.5 | 2.0 | 2.5 | 0.0 | 2.0 | 0.0 | 0.0 | 0.0 |
| Starchy | 0.0 | 0.0 | 0.0 | 2.5 | 0.0 | 0.0 | 0.0 | 0.0 |
| Straw-like | 1.5 | 2.0 | 2 | 2.5 | 0.0 | 2.0 | 2.5 | 2.0 |
| Toasted | 1.5 | 0.0 | 1.5 | 4 | 2.5 | 2.0 | 0.0 | 0.0 |
| VegetableCompl. | 2 | 0.0 | 2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Vitamin | 2.0 | 2.5 | 2.0 | 3.0 | 2.5 | 2.5 | 2.0 | 0.0 |
| Brown color | Nd * | 6.0 | Nd * | 7.0 | 7.0 | 12.0 | 12.0 | 3.5 |
| Shape | Misc. | Nugget | Misc. | Round | Nugget | Square | Nugget | Nugget |
| Color Uniformity ** Uniformity ** Uniformity ** | nd | 99% | nd | 70% | 99% | 98% | 98% | 98% |
| Shape Uniformity ** | nd | 93% | nd | 60% | 80% | 95% | 85% | 95% |
| Size Uniformity ** | nd | 0.95% | nd | 80% | 80% | 90% | 90% | 98% |
| Surface Roughness | nd | 6.5 | nd | 2.0 | 6.0 | 2.0 | 5.0 | 3.0 |
| Porous | nd | 6.0 | nd | 2.0 | 4.0 | 2.0 | 6.0 | 3.5 |
| Oily | nd | 3.0 | nd | 5.0 | 2.0 | 3.0 | 2.5 | 2.0 |
| Grainy | nd | 4.0 | nd | 2.0 | 4.5 | 1.5 | 6.0 | 4.0 |
| Fibrous | nd | 2.0 | nd | 2.0 | 2.0 | 1.5 | 4.5 | 2.0 |
* Data relative to appearance of sample composed by multiple different kibbles (A and C ) are not shown. ** uniformity scores expressed as percentages.