Table 6. Sensory Evaluation of Sponge Cake Fortified with Different Levels of Spent Coffee or Tea during Different Storage Periodsa.
| time | sample | appearance | crust color | crumb color | texture | taste | odor | overall |
|---|---|---|---|---|---|---|---|---|
| day 0 | control | 9.7 ± 0.5a | 9.4 ± 0.5a | 9.3 ± 0.6a | 8.9 ± 0.7a | 8.9 ± 0.7a | 9.0 ± 0.8a | 9.2 ± 0.7a |
| C–STP1 | 8.7 ± 0.6b,c | 8.1 ± 0.8c,d | 8.2 ± 0.9c,d | 7.5 ± 1.2c,d | 7.6 ± 0.9b–d | 8.4 ± 0.1a,b | 8.0 ± 0.9c–e | |
| C–STP2 | 8.3 ± 0.6c,d | 8.5 ± 0.9b,c | 8.5 ± 0.5b,c | 7.9 ± 0.7b,c | 7.8 ± 1.0b,c | 8.7 ± 0.9a | 8.2 ± 1.0b–d | |
| C–STP3 | 8.2 ± 1.0c,d | 8.1 ± 0.8c–e | 8.1 ± 1.0c–e | 6.8 ± 1.1d–g | 7.4 ± 1.1c,d | 6.9 ± 1.1d–g | 7.0 ± 0.6g–i | |
| C–SCP1 | 9.3 ± 0.9a,b | 9.3 ± 0.9a | 9.1 ± 0.7a,b | 8.5 ± 0.7a,b | 8.9 ± 0.7a | 8.8 ± 0.7a | 8.8 ± 0.4a,b | |
| C–SCP2 | 9.2 ± 0.7a,b | 9.2 ± 0.6a | 9.4 ± 0.5a | 8.7 ± 1.3a,b | 8.8 ± 0.7a | 8.7 ± 0.9a | 8.8 ± 0.7a,b | |
| C–SCP3 | 9.1 ± 0.8a,b | 8.9 ± 0.7a,b | 8.6 ± 0.5b,c | 8.0 ± 1.5b,c | 8.3 ± 0.6a,b | 8.3 ± 0.6a,b | 8.5 ± 0.5b,c | |
| day 7 | control | 7.4 ± 0.9e–h | 7.8 ± 0.6d–f | 7.6 ± 0.8d–g | 7.5 ± 0.7c,d | 7.3 ± 0.6c,d | 7.5 ± 0.8c,d | 7.7 ± 0.5d–f |
| C–STP1 | 7.4 ± 0.9e–h | 7.2 ± 0.6f,g | 7.4 ± 0.8e–g | 6.8 ± 0.6d–g | 6.9 ± 0.7d–g | 7.3 ± 0.6c–f | 7.3 ± 0.6f–h | |
| C–STP2 | 7.1 ± 0.7f–i | 7.4 ± 0.5f,g | 7.5 ± 0.5d–g | 6.9 ± 0.7d–g | 7.0 ± 0.6d–f | 7.9 ± 0.5b,c | 7.6 ± 0.7d–g | |
| C–STP3 | 6.9 ± 0.9g–j | 7.0 ± 0.6g,h | 7.5 ± 0.5d–g | 6.4 ± 0.9e–h | 6.9 ± 0.9d–g | 6.8 ± 0.6d–g | 6.6 ± 0.5i–k | |
| C–SCP1 | 8.0 ± 0.6c–e | 7.9 ± 0.7c–f | 7.8 ± 0.4d–f | 7.3 ± 0.6c,d | 7.8 ± 0.7b,c | 7.5 ± 0.5c,d | 7.5 ± 0.5e–h | |
| C–SCP2 | 7.7 ± 0.5d–f | 7.8 ± 0.6d–f | 7.6 ± 0.5d–g | 7.3 ± 0.9c–e | 7.5 ± 0.5c,d | 7.7 ± 0.6b,c | 7.6 ± 0.5d–g | |
| C–SCP3 | 7.6 ± 0.5d–g | 7.4 ± 0.7d–g | 7.2 ± 0.7f,g | 7.1 ± 0.8c–f | 7.2 ± 0.6c–e | 7.4 ± 0.5c–e | 6.9 ± 0.5h–j | |
| day 14 | control | 6.1 ± 0.5k,l | 6.2 ± 0.4i | 6.2 ± 0.7i | 6.3 ± 0.6f–h | 6.1 ± 0.7h | 6.2 ± 0.6g,h | 5.9 ± 0.7k,l |
| C–STP1 | 6.3 ± 0.8j–l | 6.3 ± 0.6i | 6.1 ± 0.3i | 6 ± 0.4g,h | 6.2 ± 0.6g,h | 6.3 ± 0.6g,h | 5.9 ± 0.9l | |
| C–STP2 | 6.4 ± 0.7i–l | 7.4 ± 0.5e–g | 6.9 ± 0.9g,h | 6.1 ± 0.7g,h | 6.2 ± 0.4g,h | 6.4 ± 0.8g,h | 6.2 ± 0.7k,l | |
| C–STP3 | 5.9 ± 0.7l | 7.0 ± 0.6g,h | 6.9 ± 0.9g,h | 5.6 ± 0.5h | 6.0 ± 0.6h | 5.7 ± 0.6h | 5.8 ± 0.4l | |
| C–SCP1 | 6.6 ± 0.8i–l | 6.4 ± 0.5h,i | 6.3 ± 0.6h,i | 6.1 ± 0.5g,h | 6.5 ± 0.8e–h | 6.3 ± 0.5g,h | 6.2 ± 0.6k,l | |
| C–SCP2 | 6.7 ± 0.6h–k | 6.4 ± 0.7h,i | 6.1 ± 0.5i | 6.2 ± 0.7f–h | 6.4 ± 0.7f–h | 6.6 ± 0.5f,g | 6.3 ± 0.6j–l | |
| C–SCP3 | 6.3 ± 0.6j–l | 6.2 ± 0.6i | 5.8 ± 0.6i | 6.0 ± 0.6g,h | 6.1 ± 0.6h | 6.7 ± 0.8e–g | 6.0 ± 0.6k,l |
a
The data is represented as the mean ± SD of 10 replicates. According to Duncan’s test at p ≤ 0.05, the different letters represent the significance inside each column. C-SCP1, C-SCP2, and C-SCP3: cakes with the addition of 1, 2, and 3% spent coffee powder, respectively; C-STP1, C-STP2, and C-STP3: cakes with the addition of 1, 2, and 3% spent tea powder, respectively.