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Table 4 Inhibiton rate (SOD activity) of the crude and fractionated extracts

From: Antioxidant potential, cytotoxic activity and total phenolic content of Alpinia pahangensis rhizomes

Extract/fractions Inhibiton rate (%)
Methanol 29.32 ± 4.5 b
Hexane 32.21 ± 6.5 b
Ethyl acetate 51.74 ± 4.9 c
Water 18.06 ± 4.6 a
BHA 70.19 ± 2.9 d
  1. Each value is expressed as mean ± standard deviation of triplicate measurements. Means with different letters (a-d) in the same column are significantly different (p < 0.05). Data are expressed as percentage of inhibition of superoxide radicals.