Kao Corporation

Fumiko Okuda

Kimihiko Hori

Hiroyuki Yanagida

Hiroshi Nojiri

Mami Nonomura

An allergen inactivating agent is provided which has no adverse effects on the human body and which does not cause problems such as color development. An allergen inactivating agent containing a polysaccharide derivative as its effective component, wherein said polysaccharide derivative has a cellulose ether or a starch ether as its backbone, and some or all of hydrogen atoms in the hydroxy group of the polysaccharide derivative are substituted by a group represented by the following general formula (1):-E-(OA)-E-R&#x2003;&#x2003;(1)wherein Erepresents an alkylene containing 1 to 6 carbon atoms optionally substituted with hydroxy group or oxo group; n represents a number of 0 to 50; A independently represents an alkylene containing 1 to 6 carbon atoms, the number of A being n; Erepresents ether bond or oxycarbonyl group; R represents an alkyl group containing 4 to 30 carbon atoms optionally substituted with hydroxy group, a sulfoalkyl group containing 1 to 5 carbon atoms optionally substituted with hydroxy group, or a salt thereof.

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Tochigi, Japan

Fumiko Okuda