Bio-technical Resources, Inc.

Cultor Food Science, Inc.

Phillip Terry Olson

James R Millis

Michael H Reimer

Mary Ellen Rowland

Bruce Dexter King

Michael Allen Eisenschink

Michael Alan Eisenschink

Natamycin biomass comprising 5-60% natamycin, most preferably 25-60% natamycin, and methods for forming the biomass, are disclosed. The natamycin biomass can be mixed with compatible carrier to form a premix comprising 0.2-5% natamycin. The premlix may be mixed with animal feed to form an animal feed mixture comprising cracked grain and 1.1-110 ppm of natamycin.

Natamycin-containing streptomyces biomass and its use in animal feed

An improved method for producing natamycin by fermentation is disclosed. In the method, which comprises, in order, the steps of:

Fermentation process for producing natamycin with additional carbon and

A process for the recovery of high purity natamycin from fermentaion broth by extraction with methanol is disclosed. In one embodiment the process comprises the steps:

Natamycin recovery

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Manitowoc, WI, United States of America

Phillip Terry Olson