研究了巴西蘑菇与双孢蘑菇经液态发酵后产生的菌丝球的抗氧化活性及多糖含量的差异。巴西蘑菇菌丝球乙醇提取物的DPPH·清除能力、还原能力、亚铁离子螯合能力以及超氧阴离子清除能力的EC50值分别为4.16、8.28、6.54和6.16 mg/mL,双孢蘑菇菌丝球乙醇提取物的以上各种能力的EC50值分别为2.56、22.48、14.06和7.16 mg/mL,这表明巴西蘑菇菌丝球的抗氧化活性明显高于双孢蘑菇菌丝球。巴西蘑菇菌丝球多糖含量为9.85%,双孢蘑菇菌丝球多糖含量为8.42%。

The aim of this work was to evaluate the antioxidant activity and polysaccharides content in mycelial pellets of Agaricus blazei and Agaricus bisporus by liquid state fermentation.The EC50 values of Agaricus blazei in scavenging effect on DPPH radical,reducing power,Ferrous Ions' chelating capacity and superoxide anion's scavenging capacity were respectively 4.16 mg /mL,8.28 mg /mL,6.54 mg /mL and 6.16 mg /mL.The EC50 values of Agaricus bisporus in scavenging effect on DPPH radical,reducing power,Ferrous Ions' chelating capacity and superoxide anion's scavenging capacity were respectively 2.56 mg /mL,22.48 mg /mL,14.06 mg /mL and 7.16 mg /mL.These results showed that the antioxidant activity in mycelia pellets of Agaricus blazei was superior to that of Agaricus bisporus.The polysaccharide content of Agaricus blazei was 9.85%,while the Agaricus bisporus was 8.42%.