Journal
TOXINS
Volume 9, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/toxins9070217
Keywords
Aspergillus niger; Fumonisin B-2; Food industry; China
Categories
Funding
- National Natural Science Foundation [31301489]
- Beijing Natural Science Foundation [7163235]
- China Food Safety Talent Competency Development Initiative (CFSA 523 Program)
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There are a total of 30 strains including 27 strains of Aspergillus niger intended used in Chinese food industry, two strains used as control and one strain isolated from corn for fumonisin (FB) production on 3 media. It was found that FB2 production by A. niger was function-dependent and highly related to culture media, as well as incubation time. All strains studied were unable to produce FB1 and FB3. Almost all strains were found to produce FB2 on corn, rice and wheat bran. Based on their intended use in the food industry, the higher level of FB2 producers were strains used for saccharifying enzyme (n = 13) production, followed by organic acid (n = 6), tannase (n = 7) and beta-galactosidase (n = 1) production, with the FB2 mean level of 3553-10,270 mu g/kg, 1059-12,036 mu g/kg, 3-7 mu g/kg and 2-4 mu g/kg on corn, 5455-9241 mu g/kg, 559-2190 mu g/kg, 4-9 mu g/kg and 6-10 mu g/kg on rice, 5959-7709 mu g/kg, 9491-17,339 mu g/kg, 8-14 mu g/kg and 120-222 mu g/kg on wheat bran, respectively. Comparatively, strains of Fusarium verticillioide were capable of producing fumonins simultaneously with broader spectrum including FB1, FB2 and FB3, but at a much lower level. In conclusion, it is necessary to evaluate FB2 production by A. niger before intended use in the food processing industry.
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