Multiresponse Optimization of Pomegranate Peel Extraction by Statistical versus Artificial Intelligence: Predictive Approach for Foodborne Bacterial Pathogen Inactivation
Table 1
Box–Behnken design and ANN models of variables (in coded levels), with phytochemical contents (TPC, TFC, and TAC) and anti-S. aureus and S.enterica activity responses.
Run order
(X1)
(X2)
(X3)
Recovery extraction (%)
Phytochemical content
Antibacterial activity
TPC (mg GAE/g)
TFC (mg QE/g)
TAC (mg cy-3-glu/100 g)
S. aureus (MIC mg/ml)
S. enterica (MIC mg/ml)
Exp.
Pred. RSM
Pred. ANN
Exp.
Pred. RSM
Pred. ANN
Exp.
Pred. RSM
Pred. ANN
Exp.
Pred. RSM
Pred. ANN
Exp.
Pred. RSM
Pred. ANN
1
10 (−1)
150 (0)
10 (−1)
18.45 ± 0.92c
123.8 ± 6.19cd
127.485
128.671
37.11 ± 1.85f
35.249
37.06
4.78 ± 0.22c
4.607
4.817
0.39 ± 0.00b
0.34
0.395
0.195 ± 0.00c
0.188
0.193
2
10 (−1)
180 (+1)
20 (0)
19.98 ± 0.95d
118.02 ± 5.91c
115.312
118.15
30.02 ± 1.45d
28.892
30.006
4.64 ± 0.21c
4.884
4.828
0.39 ± 0.00b
0.492
0.382
0.195 ± 0.00c
0.171
0.195
3
60 (+1)
150 (0)
10 (−1)
17.3 ± 0.86b
109.6 ± 4.48bc
106.637
109.849
37.09 ± 1.84f
35.535
36.606
11.61 ± 0.52h
10.085
11.582
0.097 ± 0.00a
0.224
0.128
0.195 ± 0.00c
0.185
0.194
4
35 (0)
150 (0)
20 (0)
17 ± 0.85b
70.02 ± 3.49a
70.00
71.156
22.00 ± 1.22a
23.037
23.019
4.64 ± 0.21c
4.633
4.586
1.56 ± 0.00d
1.56
1.509
0.781 ± 0.00b
0.780
0.772
5
10 (−1)
120 (−1)
20 (0)
15.6 ± 0.7ab
130 ± 6.47d
126.162
129.789
33.35 ± 1.62de
34.749
33.507
3.71 ± 0.17b
2.520
3.81
0.39 ± 0.00b
0.464
0.386
0.39 ± 0.00a
0.325
0.393
6
35 (0)
180 (+1)
10 (−1)
15 ± 0.75a
85.00 ± 4.23ab
84.125
84.729
25.00 ± 1.22b
27.862
23.019
9.75 ± 0.46g
9.385
9.808
0.781 ± 0.00c
0.547
0.794
0.39 ± 0.00a
0.424
0.388
7
60 (+1)
120 (−1)
20 (0)
15.15 ± 0.6a
99.91 ± 4.92b
102.712
100.108
29.00 ± 1.44cd
30.108
28.917
3.94 ± 0.12b
3.406
4.033
0.39 ± 0.00b
0.347
0.411
0.195 ± 0.00c
0.197
0.198
8
35 (0)
120 (−1)
10 (−1)
16.7 ± 0.45b
112.5 ± 5.61bc
112.65
112.16
30.01 ± 1.5d
30.357
29.897
7.01 ± 0.33f
8.766
6.982
0.195 ± 0.00e
0.170
0.206
0.195 ± 0.00c
0.196
0.197
9
35 (0)
150 (0)
20 (0)
14.4 ± 0.51a
70.00 ± 3.41a
70.00
71.156
22.01 ± 1.02a
23.037
23.019
4.61 ± 0.21c
4.633
4.586
1.56 ± 0.00d
1.56
1.509
0.781 ± 0.00b
0.780
0.772
10
35 (0)
150 (0)
20 (0)
17.85 ± 0.82bc
70.01 ± 3.33a
70.00
71.156
22.00 ± 1.09a
23.037
23.111
4.64 ± 0.22c
4.633
4.586
1.56 ± 0.00d
1.56
1.509
0.781 ± 0.00b
0.780
0.772
11
10 (−1)
150 (0)
30 (+1)
17.05 ± 0.79b
106.5 ± 5.25bc
109.462
107.043
35.50 ± 1.75e
36.965
35.706
5.32 ± 0.20d
5.547
4.112
0.39 ± 0.00b
0.263
0.411
0.195 ± 0.00c
0.193
0.193
12
60 (+1)
150 (0)
30 (+1)
15 ± 0.66a
95.8 ± 4.77b
92.112
95.755
28.00 ± 1.39c
29.751
28.151
6.38 ± 0.30e
6.554
6.384
0.195 ± 0.00e
0.245
0.206
0.39 ± 0.00a
0.364
0.369
13
35 (0)
120 (−1)
30 (+1)
17.27 ± 0.84b
73.6 ± 3.66a
74.475
73.895
33.36 ± 1.66de
30.508
33.071
3.02 ± 0.14a
3.068
3.341
0.39 ± 0.00b
0.442
0.391
0.39 ± 0.00a
0.414
0.415
14
35 (0)
180 (+1)
30 (+1)
17.35 ± 0.36b
89.9 ± 4.44ab
89.75
89.397
24.00 ± 1.15b
23.643
24.154
14.86 ± 0.71i
12.792
14.434
0.195 ± 0.00e
0.219
0.197
0.39 ± 0.00a
0.381
0.382
15
60 (+1)
180 (+1)
20 (0)
17 ± 0.49b
96.6 ± 4.81b
100.437
96.482
28.06 ± 1.32c
26.605
28.151
7.89 ± 0.37f
9.484
7.961
0.781 ± 0.00c
0.475
0.797
0.39 ± 0.00a
0.363
0.374
Variables: extraction time (X1), agitation speed (X2), and solvent/solid ratio (X3). ±: Standard deviation of three replicates; Averages with different letters (a–i) in the same column, for each parameter, are different ().