The present invention provides a rice bran hydrolysate which comprises of more than 90%, preferably of more than 95%, of (poly) peptides with a molecular weight (MW) of more than 500 Da and which has a DH (Degree of Hydrolysis) of at least 10%, preferably between 10 and 16%. According to another aspect of the invention a process to produce a rice bran hydrolysate is provided.