abstract |
(57) [Summary] [PROBLEMS] To provide a new method and means for making it possible to further utilize the industrial use of Agaricus mushrooms, and for making its biological activity usable in relation to the characteristics of molecular structure. . SOLUTION: The present invention provides a β-1,3-branched β-1,6-glucan exhibiting antitumor activity, and an alkali extract of Agaricus mushroom containing the β-1,3-glucan. |