Detection and quantification of Aspergillus westerdijkiae in coffee beans based on selective amplification of beta-tubulin gene by using real-time PCR.

Aspergillus westerdijkiae is a new species of fungus that was recently dismembered from Aspergillus ochraceus taxon. Most isolates of A. westerdijkiae are able to produce large amounts of a mycotoxin called ochratoxin A (OA).