Journal of Food Quality

Research Article

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 ± 0.25^aE	6.15 ± 0.15^aD	5.55 ± 0.25^aC	3.25 ± 0.15^aB	2.22 ± 0.02^aA
BHT	6.51 ± 0.23^bD	6.55 ± 0.17^bD	6.15 ± 0.25^bC	5.37 ± 0.11^bB	3.75 ± 0.04^bA
AE1	6.51 ± 0.18^bD	6.55 ± 0.10^bD	6.33 ± 0.14^bcC	5.87 ± 0.16^cB	3.83 ± 0.08^bA
AE2	6.83 ± 0.11^cD	6.61 ± 0.28^bC	6.55 ± 0.21^cC	5.93 ± 0.22^cB	3.83 ± 0.09^bA
AE3	6.92 ± 0.22^dD	6.83 ± 0.25^cCD	6.77 ± 0.20^dC	6.12 ± 0.18^dB	4.25 ± 0.14^cA

Appearance
Control	6.83 ± 0.15^aE	6.25 ± 0.14^aD	5.11 ± 0.11^aC	3.25 ± 0.25^aB	2.83 ± 0.02^aA
BHT	6.92 ± 0.10^aD	6.33 ± 0.13^aC	6.33 ± 0.19^bC	5.25 ± 0.24^bB	3.11 ± 0.04^bA
AE1	6.92 ± 0.20^aE	6.50 ± 0.19^bD	6.33 ± 0.28^bC	6.00 ± 0.11^cB	3.11 ± 0.09^bA
AE2	7.50 ± 0.19^bE	6.71 ± 0.12^cD	6.50 ± 0.25^cC	6.00 ± 0.19^cB	3.50 ± 0.08^cA
AE3	7.50 ± 0.15^bE	6.83 ± 0.23^dD	6.66 ± 0.24^dC	6.33 ± 0.11^dB	3.83 ± 0.05^dA

Odor
Control	6.17 ± 0.27^aE	6.00 ± 0.22^aD	5.78 ± 0.18^aC	3.55 ± 0.09^aB	2.22 ± 0.02^aA
BHT	6.25 ± 0.20^abE	6.00 ± 0.19^aD	5.83 ± 0.18^aC	5.25 ± 0.22^bB	2.75 ± 0.08^bA
AE1	6.33 ± 0.25^bD	6.17 ± 0.22^bCD	6.00 ± 0.22^bC	5.37 ± 0.22^bB	3.25 ± 0.02^cA
AE2	6.66 ± 0.22^cC	6.50 ± 0.16^cC	6.50 ± 0.29^cC	5.62 ± 0.19^cB	3.50 ± 0.09^dA
AE3	6.83 ± 0.19^dD	6.75 ± 0.15^dCD	6.66 ± 0.11^dC	5.87 ± 0.15^dB	3.75 ± 0.07^eA

Overall acceptability
Control	6.50 ± 0.22^aE	6.25 ± 0.25^aD	5.83 ± 0.19^aC	3.37 ± 0.15^aB	2.50 ± 0.05^aA
BHT	6.50 ± 0.19^aE	6.33 ± 0.26^aD	6.00 ± 0.17^bC	5.75 ± 0.25^bB	2.75 ± 0.02^bA
AE1	6.66 ± 0.19^bD	6.33 ± 0.28^aC	6.17 ± 0.10^cB	6.12 ±0.11^cB	2.83 ± 0.08^bA
AE2	6.66 ± 0.15^bC	6.66 ± 0.22^bC	6.33 ± 0.11^dB	6.25 ± 0.27^dB	3.00 ± 0.07^cA
AE3	6.77 ± 0.21^cC	6.71 ± 0.27^bC	6.50 ± 0.18^eB	6.50 ± 0.22^eB	3.33 ± 0.04^dA

±, 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).