PROBLEM TO BE SOLVED: To provide a heat coagulating β-1,3-glucan preparation which hardly forming lumps when dissolved in water.SOLUTION: The heat coagulating β-1,3-glucan preparation includes 10 to 60 mass% heat coagulating β-1,3-glucan, of which the aqueous solution dissolving 1 g of heat coagulating β-1,3-glucan in 19 g of water has a pH of 10 to 13.COPYRIGHT: (C)2014,JPO&INPIT【課題】水への溶解時に「だま」が生じにくい加熱凝固性β-1,3-グルカンの製剤の提供。【解決手段】加熱凝固性β-1,3-グルカンの含有量が10~60質量%であって、かつ1gを水19gに溶解させて得られる水溶液のpHが10~13となることを特徴とする加熱凝固性β-1,3-グルカン製剤。【選択図】なし