Production of brefeldin-A

Fermentation conditions are described for the production of the antitumor antibiotic 7-(S)-brefeldin-A (brefeldin-A) in liquid culture byEupenicillium brefeldianum, (B. Dodge) Stolk and Scott, ATCC 58665. An analytical hplc method was developed which allowed rapid quantitation of the compound during fermentation. A kilogram of brefeldin-A was isolated from a fermentation at the 6800-liter scale.