| 摘要 |
This invention relates to 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): <?in-line-formulae description="In-line Formulae" end="lead"?>-E<SUP>1</SUP>-(OA)<SUB>n</SUB>-E<SUP>2</SUP>-R (1) <?in-line-formulae description="In-line Formulae" end="tail"?> wherein E<SUP>1 </SUP>represents 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; E<SUP>2 </SUP>represents 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. By using such allergen inactivating agent, house dust and other environmental allergens can be inactivated with no adverse effects on the human body and without causing problems such as color development.
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