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Table 1 Total phenolic content (TPC), free radical scavenging activity (IC50 and ascorbic acid equivalent antioxidant capacity, AEAC), ferric reducing power (FRP) and total flavonoid content (TFC) of Drynaria sp fertile fronds and rhizomes

From: Antioxidant and tyrosinase inhibition activity of the fertile fronds and rhizomes of three different Drynaria species

Species

Part

TPC (mg GAE/100 g)

IC50 (mg/mL)

AEAC (mg AA/100 g)

FRP (mg GAE/g)

TFC (mg QE/100 g)

D. quercifolia

Frond

2939 ± 469a

0.09 ± 0.01a

4456 ± 571a

17.5 ± 2.2a

0.1 ± 0.0a

Rhizome

1732 ± 437b

0.17 ± 0.03b

2273 ± 415b

9.5 ± 1.3b

5.0 ± 0.1b

D. rigidula

Frond

1031 ± 132c

0.79 ± 0.22c

507.3 ± 151.0c

2.3 ± 0.3c

4.7 ± 0.9b

Rhizome

305.5 ± 17.2d

1.02 ± 0.16c

380.6 ± 64.9c

1.0 ± 0.2d

3.1 ± 0.1c

D. sparsisora

Frond

316.6 ± 19.5d

2.01 ± 0.62d

199.9 ± 53.2d

2.1 ± 0.3c

1.0 ± 0.5d

Rhizome

367.2 ± 20.9d

0.81 ± 0.18c

489.4 ± 126.5c

2.2 ± 0.6c

0.1 ± 0.1a

  1. Results are expressed as mean ± SD (n = 3). For each column, values followed by the same letter are not significantly different at p < 0.05 as measured by the Tukey HSD test