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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
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BMC Microbiology

ISSN: 1471-2180

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