abstract |
(57) [Abstract] [Purpose] The present invention provides endotoxin-free β-1, It is an object of the present invention to provide a method for degrading and inactivating endotoxin in 3 glucan and β-1,3 glucan. [Structure] The endotoxin-free β1,3 glucan of the present invention is characterized in that the endotoxin content is 0.1 EU / g or less. In addition, the manufacturing method of the present invention, An organic solvent containing an acid or a base is added to β1,3 glucan, and the treatment temperature is 60 ° C. or lower. |