PROBLEM TO BE SOLVED: To provide a safe stress mitigator made from a naturally occurring material.SOLUTION: The stress mitigator comprises &beta-1,3-1,6-D-glucan described below, which is derived from microorganisms belonging to the genus Aureobasidium sp., and the 1H NMR spectrum of its solution in a 1N sodium hydroxide heavy water solution as the solvent has two signals, i.e. about 4.7 ppm and about 4.5 ppm, and the viscosity of its aqueous solution is 200 cP(mPa s) or less at 30°C, pH5.0 and 0.5(w/v%) concentration.COPYRIGHT: (C)2008,JPO&INPIT【課題】天然素材からなる安全なストレス緩和剤を提供する。【解決手段】以下のβ-1,3-1,6-D-グルカンを含むストレス緩和剤。オーレオバシジウム属(Aureobasidium sp.)に属する微生物に由来し、1N水酸化ナトリウム重水溶液を溶媒とする溶液の1H NMRスペクトルが約4.7ppm及び約4.5ppmの2つのシグナルを有し、かつ水溶液の30℃、pH5.0、濃度0.5(w/v%)における粘度が200cP(mPa・s)以下である。【選択図】図4
