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Table 5 Table showing Ferric reducing antioxidant power (FRAP) of T. catappa L. aqueous and methanolic extracts

From: Phytochemical characterization, antimicrobial and antioxidant activities of Terminalia catappa methanol and aqueous extracts

Concentration (μg/ml)

Ferric reducing power

L-Ascorbic acid

T. catappa L. methanol extract

T. catappa L. aqueous extract

Mean ± SD

Mean ± SD

Mean ± SD

1000

0.425 ± 0.004Aa

0.587 ± 0.003Ab

0.453 ± 0.003Ac

200

0.418 ± 0.001Ba

0.513 ± 0.003Bb

0.438 ± 0.002Bc

40

0.412 ± 0.002Ba

0.503 ± 0.002Cb

0.430 ± 0.004Bc

8

0.403 ± 0.002Ca

0.482 ± 0.005Db

0.417 ± 0.002Cc

1.6

0.394 ± 0.001Da

0.463 ± 0.006Eb

0.409 ± 0.003Cc

0.32

0.370 ± 0.003Ea

0.437 ± 0.001Fb

0.397 ± 0.008Dc

  1. Mean absorbance values are expressed as x̄ ± SD, n = 3. Values with the same uppercase superscript letter along the columns and lowercase superscript letter across the rows are not significantly different (P > 0.05; one-way ANOVA followed by Tukey’s paired test)