Skip to main content

Table 3 Inhibition of fungal growth and production of AFs B1 and G1 in A. parasiticus NRRL 2999 exposed to the EOs prepared from Foeniculum vulgare roots, flowers and stems

From: Search for novel antifungals from 49 indigenous medicinal plants: Foeniculum vulgare and Platycladus orientalis as strong inhibitors of aflatoxin production by Aspergillus parasiticus

Plant part

EO concentration (μg/ml)

Fungal dry weight (DW; mg)

AFB1 (μg/mg fungal DW)

AFG1 (μg/mg fungal DW)

Mean ± SD

Inhibition (%)

Mean ± SD

Inhibition (%)

Mean ± SD

Inhibition (%)

Roots

0.0

12.20 ± 0.70

0.00

3.063 ± 0.130

0.00

0.532 ± 0.037

0.00

15.62

12.93 ± 0.76

0.00

1.865 ± 0.384*

39.11

0.351 ± 0.036*

34.02

31.25

10.37 ± 0.51*

15.00

1.806 ± 0.116*

41.04

0.150 ± 0.007*

71.80

62.5

9.77 ± 0.21*

19.92

1.701 ± 0.227*

44.47

0.042 ± 0.002*

92.10

125

9.50 ± 0.30*

22.13

1.50 ± 0.238*

51.03

0.038 ± 0.005*

92.86

250

9.43 ± 0.75*

22.70

0.982 ± 0.153*

67.94

0.036 ± 0.002*

93.23

500

8.34 ± 0.42*

31.64

0.167 ± 0.028*

94.55

0.003 ± 0.000*

99.44

1,000

4.98 ± 0.55*

59.18

0.017 ± 0.005*

99.44

0.002 ± 0.000*

99.62

2,000

4.19 ± 0.67*

65.66

0.016 ± 0.007*

99.48

0.002 ± 0.000*

99.62

Stems

2,000

11.17 ± 1.04

8.44

2.483 ± 0.45

18.93

0.378 ± 0.054*

28.95

Flowers

2,000

3.83 ± 0.52*

68.61

0.032 ± 0.002*

98.95

0.001 ± 0.000*

99.81

  1. *Statistically significant difference from the control (ANOVA, P < 0.05); there was no further significant inhibition of fungal growth and production of aflatoxins B1/G1 at plant EO concentrations > 2,000 μg/ml