Agaricus blazei Murrill (ABM) were purchased from a local mar-ket in Yunnan, China. Samples were ground and passed through 80mesh screen.d-Glucose was obtained from Tianjin Zhi En-Biotech-nologicalCo., Ltd. Glucuronic acid, 2,2-diphenyl-1-picryl-hydrazyl (DPPH),2,2-azino-bis-(3-ethyl-benzthia-6-sulfonic acid) (ABTS), and fer-rozine were purchased from Heowns Biochem Technologies LLC.All chemicals were reagent grade or better.