Table 7 Effect of bioactive metabolites extracted from Bacillus spp. on A. flavus growth and aflatoxin production.
Treatment | Concentration (mg/mL) | Dry mycelium weight | Aflatoxin production (ng/g) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
mg/50 mL medium | %* | AFB1 | %* | AFB2 | %* | AFG1 | %* | AFG2 | %* | ||
Control | – | 137.3 | 1,935,723.75 | 21,505.4 | 3421.84 | 6456.91 | |||||
Extract No. 4 | 1 | 116.9 | 14.86% | 9067.93 | 99.53% | 69.36 | 99.68% | ND | 100% | 4645.36 | 28.06% |
3 | 101.8 | 25.86% | 901.31 | 99.95% | 14.37 | 99.93% | ND | 100% | 712.45 | 88.97% | |
5 | 101.3 | 26.22% | 349.62 | 99.98% | 13.86 | 99.94% | ND | 100% | 103.19 | 98.40% | |
7 | 96.8 | 29.50% | 442.55 | 99.98% | ND | 100% | ND | 100% | 27.08 | 99.58% | |
9 | 58.6 | 57.32% | 337.75 | 99.99% | ND | 100% | ND | 100% | 63.86 | 99.01% | |
Extract No. 5 | 1 | 187.2 | – | 321,109.98 | 83.41% | 1992.68 | 90.73% | 550.98 | 83.90% | 1877.69 | 70.92% |
3 | 174.2 | – | 10,612.26 | 99.45% | 23.42 | 99.89% | 318.72 | 90.69% | 867.05 | 86.57% | |
5 | 107.5 | 21.70% | 542.69 | 99.97% | 103.55 | 99.52% | 259.04 | 92.43% | 564.99 | 91.25% | |
7 | 95.2 | 30.66% | 457.12 | 99.98% | ND | 100% | 146.34 | 95.72% | 144.14 | 97.77% | |
9 | 87.9 | 35.98% | 504.64 | 99.97% | ND | 100% | 350.24 | 89.76% | ND | 100% | |
