Aflatoxins & Ochratoxin A
USP <561> List
Method Description
Aflatoxins are highly toxic mycotoxins produced by Aspergillus flavus and A. parasiticus, with aflatoxin B1 being the most potent naturally occurring carcinogen. Testing is mandatory for many food and feed products because aflatoxins can cause liver damage and cancer, making them subject to strict regulatory limits worldwide. The method uses immunoaffinity cleanup followed by sensitive detection to achieve the low detection limits required for safety compliance.
Analyte List
| Analyte Name | CAS # | Type |
|---|---|---|
| Aflatoxin B1 | 1162-65-8 | Measured |
| Aflatoxin B2 | 7220-81-7 | Measured |
| Aflatoxin G1 | 1165-39-5 | Measured |
| Aflatoxin G2 | 7241-98-7 | Measured |
| Ochratoxin A | 303-47-9 | Measured |
| Total Aflatoxins | Total (Sum) |
Technical Data Sheet
Additional information
Aflatoxins B1, B2, G1 and G2 and ochratoxin A by LC-MS/MS, modified from the USP <561> procedure. Total Aflatoxins is the calculated sum of B1, B2, G1 and G2. Reported in µg/g (ppm); results are commonly compared with the USP <561> limits (5 µg/kg aflatoxin B1, 20 µg/kg total aflatoxins).
Aflatoxins & Ochratoxin A
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