The 23:rd of May, Ville Koistinen defended his doctoral thesis from the University of Eastern Finland on ‘The effects of food processing and gut microbial metabolism on whole grain phytochemicals: A metabolomics approach ’. Below follows an interview with Ville where he tells us about his work. What has your research/thesis been dealing with? The studies included in my thesis aimed to investigate how phytochemicals in whole grain, especially rye and wheat, are affected by foo