This invention includes the fact that suizenjinori is treated with the Acid, it is obtained with production manner and this manner of trivalent metal decrease suizenjinori origin polysaccharide, trivalent metal decrease suizenjinori origin polysaccharide, and this trivalent metal decrease suizenjinori origin polysaccharide are included, it regards the wounding protective agent and the anti- allergy Characteristic dermatitis medicine.本発明は、スイゼンジノリを酸で処理することを含む、三価金属低減スイゼンジノリ由来多糖体の製造方法、この方法で得られる、三価金属低減スイゼンジノリ由来多糖体、及び、この三価金属低減スイゼンジノリ由来多糖体を含む、創傷保護剤及び抗アレルギー性皮膚炎剤に関する。
