Table 2.
The scavenging activity and EC₅₀ of muscadine grape extracts at the concentration of 0.05 mg/mL

Cultivar	Part	Scavenging activity (%)	EC50 a (mg/mL)
Higgins	Skin/pulp	57.09±1.22b	0.044±0.0005b
	Seed	94.99±0.13a	0.026±0.0025d
Jumbo	Skin/pulp	57.34±0.55b	0.040±0.0007b
	Seed	89.88±4.03a	0.027±0.0030cd
Noble	Skin/pulp	48.47±0.56c	0.049±0.0010a
	Seed	94.29±0.23a	0.029±0.0005c

All values are mean±SD (n=3).
50% effective concentration, representing the concentration of the sample exhibiting 50% DPPH radical scavenging activity.
Different letters (a, b, c, and d) reflect significant differences at p<0.05.