Determination of Punicalagins Content, Metal Chelating, and Antioxidant Properties of Edible Pomegranate (Punica granatum L) Peels and Seeds Grown in Morocco
Table 3
Correlation between polyphenol compositions antioxidant capacities.
Total polyphenols
Total flavonoids
Punicalagin-α
Punicalagin-β
Ellagic acid
Gallic acid
DPPH assay
ABTS assay
Fe2+ chelating activity
FRAP assay
Total polyphenols
1.00
Total flavonoids
.987
1.00
Punicalagin-α
.986
.972
1.00
Punicalagin-β
.977
.964
.998
1.00
Ellagic acid
.995
.988
.994
.987
1.00
Gallic acid
.979
.954
.996
.992
.987
1.00
DPPH assay
-.908
-.892
-.908
-.906
-.908
-.906
1.00
ABTS assay
-.987
-.975
-.992
-.988
-.992
-.988
.949
1.00
Fe2+ chelating activity
-.977
-.966
-.982
-.978
-.982
-.981
.947
.995
1.00
FRAP
.966
.946
.994
.998
.977
.993
-.898
-.981
-.972
1.00
The results are expressed as Pearson’s coefficient ( value).
