Determination of selected mycotoxins in food. Part II. Selection of optimised conditions for the determination of fumonisin Bi and B2 in corn products by means of high-performance liquid chromatography
Rocz Panstw Zakl Hig 1998;49(1):13-24
ABSTRACT
ABSTRACT
The aim of this study was to perform a optimised method for determination of fumonisins B1 and B2 in corn products. The manner of extraction and clean-up of com products extracts as well conditions of reaction of fumonisins with OPA was described. The main steps of optimised analytical procedure were: extraction of sample with methanol and water (3+1), clean-up of extracts on SAX column, derivatisation with OPA, and determination by means of RP-HPLC. The mobile phase was a mixture of methanol, water and acetic acid (75+24+1). Fluorometric detection was made at 370/440 nm. The mean recovery of fumonisins dependent on fortification level and product was 64-95%, limit of detection for each of fumonisins was 15 µg/kg.
| eISSN: | 2451-2311 |
| ISSN: | 0035-7715 |
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