Mannonerolidol, a new nerolidol mannoside from culture broth of Schizophyllum commune.

To discover antimicrobial agents from higher fungi, mannonerolidol (3), a new nerolidol mannoside, together with known schizostatin (1) and nerolidol (2) were isolated from an antimicrobial fraction of the culture broth of Schizophyllum commune. Structures of these compounds were determined through spectroscopic methods. Compounds 1 and 3 exhibited antimicrobial activities against plant pathogenic fungi Rhizoctonia solani, Diaporthe sp., Botrytis cinerea, and Alternaria solani and bacteria Bacillus subtilis and Staphylococcus aureus.