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Table 2 Antioxidant activity of SG-17 crude extract assayed by two methods

From: A coumarin analogue NFA from endophytic Aspergillus fumigatus improves drought resistance in rice as an antioxidant

Substances T-AOC(U/mL)a DPPH Clearance rate(%)
SG-17 crude extract 62.56 ± 0.16** 90.57 ± 0.35**
Vc as a control 196.33 ± 0.11** 91.87 ± 0.05**
Fraction 1 0.00 ± 0.05 3.42 ± 0.16**
Fraction 2 3240.94 ± 25.99** 23.79 ± 0.27**
Fraction 3 0.00 ± 0.03 11.38 ± 0.25**
Fraction 4 769.67 ± 12.59** 0.00 ± 0.05
Blank 0.00 ± 0.07 0.00 ± 0.03
  1. aANOVA analysis was compared with the blank group at n = 3, and * means significant difference at P < 0.05, ** for P < 0.01