Studies on Biological Characteristics of Cryptoporusvolvatus(Peck) Hubb. A Medicinal Fungus ERGOSTEROL PEROXIDES FROM CRYPTOPORUS VOLVATUS Effects of Cryptoporus volvatus ferment substance on airway hyperresponsiveness and inflammation in asthmatic mice with spleen-deficiency syndrome Effect of Cryptoporus volvatus (Peck) Schear on Leukotriene Production from Polymorphonuclear Leukocytes in Rats