you may need to have a look at this one.

https://pubchem.ncbi.nlm.nih.gov/compound/aflatoxin_b1

Hi,

You may get some useful links from this:

https://en.wikipedia.org/wiki/Aflatoxin_B1

Produced from so-called Asprgels Vljevs flavus fungus is these toxins from the more toxins cause of cancers where toxicity may be in the range of 1.2 ppb aflatoxin B1 and is considered the most widespread and gives this contaminated B1 of the blue color under UV light. If this indicator is evidence of the presence of aflatoxins , but this also requires further tests to make sure the polluter type ( poison ) and focus .

This fungus found in most cereals , especially maize, white fungus and pan the growth to be weak when the seed moisture is less than 15%

The highest level permitted according to the Commission US Food and Drug FDA((The highest level of grain))

( Ppb)20 ppb  Provided fodder for the animal individually

To milk cows , chickens , and animals stressful and 20 ppb  Grain used for human nutrition

100 ppb for Cattle meat and dry cows

Laying hens and parent stock

300 ppb for the calves are in the final stages

Sterigmatocystin

https://pubchem.ncbi.nlm.nih.gov/compound/Aflatoxin-B1

Check this out