Table 1.
Box-Behnken design (BBD) with responses of the dependent variables obtained by sonoextraction from cocoa bean shell (CBS) and cocoa pod husk (CPH).
| Runs | Experimental domains |
Experimental responses |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| XA | XB | XC | CBS |
CPH |
|||||
| TPC | TEAC | FRAP | TPC | TEAC | FRAP | ||||
| 1 | 8 | 10 | 0 | 146.16 h | 0.09f | 0.16e | 30.81i | 0.02 h | 0.04ef |
| 2 | 8 | 45 | 50 | 213.19c | 0.15bc | 0.23bc | 172.84c | 0.14b | 0.25a |
| 3 | 15 | 45 | 0 | 209.93d | 0.14 cd | 0.23c | 43.15 h | 0.03 g | 0.04e |
| 4 | 8 | 45 | 50 | 254.80b | 0.21a | 0.26a | 153.92e | 0.12c | 0.23b |
| 5 | 8 | 80 | 100 | 10.15 l | 0.04 g | 0.02i | 4.29j | 0.04f | 0.01 g |
| 6 | 15 | 45 | 100 | 11.17 l | 0.08f | 0.03i | 5.53j | 0.04f | 0.01 g |
| 7 | 1 | 45 | 100 | 8.12 l | 0.03 g | 0.02i | 2.25j | 0.02 h | 0.004 g |
| 8 | 1 | 80 | 50 | 124.10i | 0.08f | 0.10 g | 132.53f | 0.10d | 0.17d |
| 9 | 1 | 45 | 0 | 62.61 k | 0.04 g | 0.08 h | 33.30i | 0.09e | 0.03f |
| 10 | 8 | 45 | 50 | 173.66f | 0.11e | 0.19d | 193.68a | 0.14b | 0.24a |
| 11 | 8 | 10 | 100 | 9.43 l | 0.03 g | 0.02i | 2.68j | 0.02 g | 0.005 g |
| 12 | 1 | 10 | 50 | 109.73j | 0.07f | 0.11 g | 131.92f | 0.10d | 0.17d |
| 13 | 8 | 80 | 0 | 186.88e | 0.13d | 0.18d | 50.61 g | 0.03 g | 0.04e |
| 14 | 15 | 10 | 50 | 155.21 g | 0.16b | 0.15f | 158.04d | 0.12c | 0.19c |
| 15 | 15 | 80 | 50 | 263.69a | 0.22a | 0.24b | 190.42b | 0.15a | 0.25a |
XA (Time, min), XB (Amplitude, %), XC (Ethanol, %), TPC (mg GAE/g sample), TEAC (mmol TE/g sample), FRAP (mmol FeSO4/g sample). The different letters next to the means are significantly different (p < 0.05) according to Duncan’s multiple range test.