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International Journal of Phytomedicine and Phytotherapy

Table 3 TAA and RAA of solvent fractions of ethanol extract of T. conoides

From: Antibacterial, antioxidant and anticancer properties of Turbinaria conoides (J. Agardh) Kuetz

Solvent fractions Concentration (μg/mL) TAA (%) RAA
Beta -Carotene L. Ascorbic acid
Hexane 10 08 ± 0.84 0.104 0.111
20 15 ± 1.00 0.195 0.208
40 30 ± 1.41 0.390 0.416
80 46 ± 2.00 0.597 0.637
Dichloromethane 10 13 ± 1.00 0.169 0.180
20 23 ± 1.70 0.299 0.319
40 35 ± 2.10 0.455 0.485
80 55 ± 1.92 0.714 0.762
Ethyl acetate 10 26 ± 2.21 0.338 0.360
20 46 ± 2.00 0.597 0.637
40 65 ± 2.44 0.844 0.900
80 85 ± 1.84 1.104 1.177
water 10 05 ± 0.70 0.065 0.069
20 11 ± 1.00 0.143 0.152
40 25 ± 1.00 0.325 0.346
80 35 ± 2.10 0.455 0.485
  1. Mean + standard error (n = 5); TAA total antioxidant activity, RAA relative antioxidant activity; RAA computed TAA of solvent fraction divided by TAA of standards (β-Carotene: 77% and L. Ascorbic acid: 72.2)