Variability in Phytochemical Contents and Biological Potential of Pomegranate (Punica granatum) Peel Extracts: Toward a New Opportunity for Minced Beef Meat Preservation

Table 1

Total phenolic and flavonoids contents and antioxidant activity of the ethyl acetate, acetonitrile, and aqueous extracts of Punica granatum (pomegranate) peel.

	TPC (mg GAE/g)	TFC (mg QE/g)	Antioxidant activity
			DPPH assay (%)	ABTS assay (%)
Ethyl acetate	391.51 ± 10.58^d	104.12 ± 3.69^c	88.56 ± 1.52^d	77.12 ± 1.57^c
Acetonitrile	281.13 ± 19.25^c	76.88 ± 6.39^b	84.24 ± 1.25^b	71.89 ± 0.32^b
Water	178.25 ± 6.22^b	44.45 ± 2.05^a	80.12 ± 1.88^a	65.26 ± 1.96^a
BHA	—	—	86.28 ± 0.97^c	81.19 ± 2.12^d

±, standard deviation of three replicates; values with a different letter (a–d) within a column are significantly different () (Tukey’s test).