Imagine Global Care Corporation

Makoto Urai

Kazuhisa Sekimizu

A method for producing a polysaccharide includes extracting from broccoli with hot water to obtain an extract, purifying the extract by a chromatography column, and hydrolyzing the purified extract with oxalic acid. The chromatography column can be a DEAE cellulose chromatography column. The polysaccharide produced can have innate immune stimulating activity.

Method for producing a polysaccharide

A substance having innate immune stimulating activity is a polysaccharide, which contains 25 to 50 parts by mole of galacturonic acid, 15 to 50 parts by mole of galactose, 0 to 7 parts by mole of glucose, 0 to 30 parts by mole of arabinose, 0 to 6 parts by mole of xylose, and 3 to 15 parts by mole of rhamnose as constituent sugars. The polysaccharide has a polygalacturonic acid chain having &#x3b1;-1,4-linked galacturonic acid as a main chain. An innate immune stimulant can include the polysaccharide as an active component, which can be included in a food or drink.

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Tokyo, Japan

Makoto Urai