Galactomannan polysaccharide producing organism

Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Bacteria or actinomycetales; media therefor

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435847, 435101, 536123, 536114, C12N 120, C12P 1900, C08B 3700

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active

051302497

ABSTRACT:
A galactomannan heteropolysaccharide is prepared by fermentation of a previously unknown microorganism, named Erwina sp. ATCC No. 55046. The polysaccharide has valuable properties as a thickening, suspending, stabilizing and lubricating agent in aqueous systems. It has a chemical composition of mannose, galactose and galacturonic acid in the approximate molar ratio of 5:3:2. The polysaccharide can be produced in high yield and volumetric productivity from a submerged culture fermentation of a low-cost, lactose-containing whey or whey permeate medium.

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