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Table 2 Antifungal activities (MIC mM) of benzaldehyde derivatives tested on agar against filamentous fungi.

From: Antifungal activity of redox-active benzaldehydes that target cellular antioxidation

Compound

A. fumigatus

AF293

A. terreus

UAB673

A. terreus

UAB680

A. terreus

UAB698

A. flavus

NRRL3357

P. expansum

NRRL974

Mean

MIC

Cinnamaldehyde

1.0

0.5

0.5

0.5

0.5

0.5

0.58 ± 0.201

2-Hydroxy-5-methoxy-

benzaldehyde

0.5

0.5

0.5

0.5

0.5

1.0

0.58 ± 0.201

2-Hydroxy-3-methoxy-

benzaldehyde (o-Vanillin)

0.5

0.5

0.5

0.5

1.0

1.0

0.67 ± 0.261

3,5-Dimethoxybenzaldehyde

1.0

1.0

1.0

1.0

1.5

1.5

1.17 ± 0.261

2,5-Dimethoxybenzaldehyde

1.5

1.5

1.5

1.0

1.5

2.0

1.50 ± 0.321

2-Methoxybenzaldehyde

(o-Anisaldehyde)

2.0

2.5

2.5

2.5

2.5

2.5

2.42 ± 0.201

2,3-Dimethoxybenzaldehyde

2.5

2.5

2.0

2.0

3.0

3.0

2.50 ± 0.451

Benzaldehyde

(Basal structure)

> 35.0

> 35.0

> 35.0

> 35.0

> 35.0

> 35.0

> 35.0

  1. 1 P < 0.0005 (Student's t test for paired data, i.e., vs. mean MIC of benzaldehyde).