Research Article

Study of the Effect of Methyl Jasmonate Concentration on Aflatoxin Biosynthesis by Aspergillus parasiticus in Yeast Extract Sucrose Medium

Table 2

AFB1 production (μg flask-1) by A. parasiticus in YES medium.

MeJA addition
0(a)10-6 M(b)10-4 M(c)10-2 M(d)
AFB1 production
Daysμg flask-1(± SD)μg flask-1(± SD)μg flask-1(± SD)μg flask-1(± SD)

00.002 (±0)0.002 (±0)0.002 (±0)0.002 (±0)
340.17 (±4.31)44.94 (±5.39)23.45 (±5.76)0.019 (±0.002)
756.18 (±15.86)72.44 (±4.17)69.01 (±17.06)0.051 (±0.005)
929.80 (± 8.11)60.16 (±9.26)48.00 (±6.30)0.063 (±0.006)
1235.14 (± 9.37)109.91 (±10.78)84.91 (±7.66)0.061 (±0.004)
1570.57 (± 4.69)89.58 (±6.82)58.51 (±11.45)ND(e)

(a)Without MeJA addition (control); (b)addition of 0.0022 mg flask-1; (c)addition of 0.227 mg flask-1; (d)addition of 22.67 mg flask-1; (e)ND: not detected.