Two new aromatic compounds and a new d-arabinitol ester from the mushroom Hericium erinaceum

Two new aromatic compounds (1, 2), new d-arabinitol ester (3), and two known compounds (4, 5) were isolated from mushroom Hericium erinaceum. The structures of 1-5 were elucidated on the basis of spectral data. Compounds 1, 2, 4, and 5 exhibited α-glucosidasae inhibitory activity.