PROBLEM TO BE SOLVED: To provide a method for manufacturing a composition containing a polysaccharide derived from cassis, in an efficient and stable way.SOLUTION: The manufacturing method of a composition containing a polysaccharide derived from cassis fruit includes hydrolyzing cassis fruit or a processed product thereof with use of at least one polysaccharide decomposition enzyme selected from a glucan decomposition enzyme and a pectin decomposition enzyme.COPYRIGHT: (C)2015,JPO&INPIT【課題】カシス由来の多糖含有組成物を効率的かつ安定的に製造する。【解決手段】カシス果実またはその加工物を、グルカン分解酵素およびペクチン分解酵素から選択される少なくとも一つの多糖分解酵素を用いて加水分解する工程を含んでなる、カシス果実由来の多糖含有組成物の製造方法を用いる。【選択図】なし