Abstract: This invention describes a new antibiotic, hereinafter designated as bushrin, having the formula C16H16O2, which is 7-(3-furyl)-3,7-dimethyl-7,8-dihydro-1-naphthalenol, its production method by fermentation, and the methods related to its recovery, concentration and purification from the crude solutions. The invention includes within its scope the agent in dilute form, as a crude concentrate, and in pure form. The invention also relates to the use of the compound according to the invention in antimicrobial compositions and as antiseptics or disinfectants.