Variability in Phytochemical Contents and Biological Potential of Pomegranate (Punica granatum) Peel Extracts: Toward a New Opportunity for Minced Beef Meat Preservation
Table 4
Effect of the aqueous pomegranate peel extract on color, appearance, odor, and overall acceptability of raw minced meat beef stored at 4°C.
Days of storage at 4°C
0
3
7
14
21
Color
Control
6.33 ± 0.25aE
6.15 ± 0.15aD
5.55 ± 0.25aC
3.25 ± 0.15aB
2.22 ± 0.02aA
BHT
6.51 ± 0.23bD
6.55 ± 0.17bD
6.15 ± 0.25bC
5.37 ± 0.11bB
3.75 ± 0.04bA
AE1
6.51 ± 0.18bD
6.55 ± 0.10bD
6.33 ± 0.14bcC
5.87 ± 0.16cB
3.83 ± 0.08bA
AE2
6.83 ± 0.11cD
6.61 ± 0.28bC
6.55 ± 0.21cC
5.93 ± 0.22cB
3.83 ± 0.09bA
AE3
6.92 ± 0.22dD
6.83 ± 0.25cCD
6.77 ± 0.20dC
6.12 ± 0.18dB
4.25 ± 0.14cA
Appearance
Control
6.83 ± 0.15aE
6.25 ± 0.14aD
5.11 ± 0.11aC
3.25 ± 0.25aB
2.83 ± 0.02aA
BHT
6.92 ± 0.10aD
6.33 ± 0.13aC
6.33 ± 0.19bC
5.25 ± 0.24bB
3.11 ± 0.04bA
AE1
6.92 ± 0.20aE
6.50 ± 0.19bD
6.33 ± 0.28bC
6.00 ± 0.11cB
3.11 ± 0.09bA
AE2
7.50 ± 0.19bE
6.71 ± 0.12cD
6.50 ± 0.25cC
6.00 ± 0.19cB
3.50 ± 0.08cA
AE3
7.50 ± 0.15bE
6.83 ± 0.23dD
6.66 ± 0.24dC
6.33 ± 0.11dB
3.83 ± 0.05dA
Odor
Control
6.17 ± 0.27aE
6.00 ± 0.22aD
5.78 ± 0.18aC
3.55 ± 0.09aB
2.22 ± 0.02aA
BHT
6.25 ± 0.20abE
6.00 ± 0.19aD
5.83 ± 0.18aC
5.25 ± 0.22bB
2.75 ± 0.08bA
AE1
6.33 ± 0.25bD
6.17 ± 0.22bCD
6.00 ± 0.22bC
5.37 ± 0.22bB
3.25 ± 0.02cA
AE2
6.66 ± 0.22cC
6.50 ± 0.16cC
6.50 ± 0.29cC
5.62 ± 0.19cB
3.50 ± 0.09dA
AE3
6.83 ± 0.19dD
6.75 ± 0.15dCD
6.66 ± 0.11dC
5.87 ± 0.15dB
3.75 ± 0.07eA
Overall acceptability
Control
6.50 ± 0.22aE
6.25 ± 0.25aD
5.83 ± 0.19aC
3.37 ± 0.15aB
2.50 ± 0.05aA
BHT
6.50 ± 0.19aE
6.33 ± 0.26aD
6.00 ± 0.17bC
5.75 ± 0.25bB
2.75 ± 0.02bA
AE1
6.66 ± 0.19bD
6.33 ± 0.28aC
6.17 ± 0.10cB
6.12 ±0.11cB
2.83 ± 0.08bA
AE2
6.66 ± 0.15bC
6.66 ± 0.22bC
6.33 ± 0.11dB
6.25 ± 0.27dB
3.00 ± 0.07cA
AE3
6.77 ± 0.21cC
6.71 ± 0.27bC
6.50 ± 0.18eB
6.50 ± 0.22eB
3.33 ± 0.04dA
±, standard deviation of three replicates; values with a different letter (a–e) within a row of the same storage day are significantly different () (Tukey’s test). Values with a different letter (A–E) within a column of the same concentration are significantly different () (Tukey’s test).