Macroalgal protein hydrolysates from Palmaria palmata influence the 'incretin effect' in vitro via DPP-4 inhibition and upregulation of insulin, GLP-1 and GIP secretion Breadcrumbs UL Home Research Publications Year of Publication 2021 Publisher SPRINGER HEIDELBERG Journal European journal of nutrition DOI 10.1007/s00394-021-02583-3