Concentration of beta-glucans

摘要

The present invention relates to a process for preparing a beta glucan containing product, wherein a low concentrated beta glucan containing product is made subject to a concentration process to raise the content of beta glucan from about 10% beta glucan on a dry. matter basis to at least 30% of beta glucan on a dry matter basis. The concentration process comprises a freezing / thawing step and a precipitation step.