A diet rich in fruits and vegetables has been suggested to decrease the risk of colorectal cancer. The protective effects of these foods could probably be at least partly mediated by their polyphenolic compounds.
Lähde: Vetrani, C., Rivellese, A.A., Annuzzi, G., Adiels, M., Borén, J., Mattila, I., Orešič, M. & Aura, A. (2016): Metabolic transformations of dietary polyphenols: comparison between in vitro colonic and hepatic models and in vivo urinary metabolites. Journal of Nutritional Biochemistry, doi: 10.1016/j.jnutbio.2016.03.007.
Recently, the attention of researchers has been focused on lesser-known and underutilized species of edible berries, such as crowberry, lingonberry and rowanberry. Wild berry species often display higher antioxidant activity and have higher concentrations of phenolic compounds in comparison with cultivated berries. Crowberry (Empetrum nigrum) has one of the highest content of antioxidants.
Six new studies on raspberry's health benefits were presented at the Experimental Biology conference in San Diego in April 2016. The target berry species was American raspberry (Rubus strigosus), a close relative of European raspberry (Rubus idaeus). Results were published as conference abstracts in "Federation of American Societies for Experimental Biology".