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Table 2 Phytochemical contents, ABTS scavenging ability and Ferric reducing antioxidant property of African star apple fruit parts

From: Starch composition, glycemic indices, antioxidant properties and carbohydrate hydrolyzing enzymes activities of African star apple fruit parts

Samples Pulp Cotyledon Seed coat Pulp coat
Total phenolic content (mg GAE/g) 14.11 ± 2.74a 7.56 ± 2.74b 12.26 ± 2.84c 23.01 ± 2.65d
Total flavonoid content (mg QE/g) 5.31 ± 0.05a 2.27 ± 0.37b 3.69 ± 0.18a 5.79 ± 0.05a
Vitamin C content (mg/g) 7.26 ± 0.11a 5.48 ± 0.17a 5.54 ± 0.28a 13.03 ± 0.04b
ABTS scavenging ability (X 100) (mmol. TEAC/g) 3.70 ± 0.03a 4.00 ± 0.04a 3.97 ± 0.02a 3.87 ± 0.03a
Ferric reducing antioxidant property (mg AAE/g) 10.23 ± 0.02a 5.52 ± 0.58c 9.75 ± 0.00c 15.82 ± 1.14b
  1. Values represent mean ± standard deviation (n = 3). Values with the same superscript letter within a row are not significantly (p < 0.05) different. GAE Gallic acid equivalent, QE Quercetin equivalent, TEAC Trolox equivalent antioxidant capacity, AAE Ascorbic acid equivalent