Polysaccharides synthesized by micro-organisms

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Abstract
Luteose, the neutral polysaccharide produced by elimination of the malonyl residues from luteic acid, a metabolic product of Penicillium luteum, is constituted mainly of [beta]-glucose units linked through the 1,6-positions. The molecule may be a terminated linear chain but determination of its mol. weight (84 units) by osmotic pressure measurements and the presence of dimethyl glucose (10%) among the products of hydrolysis of methylated luteose, indicates that the molecule is more likely to be of the closed chain type. Luteose may be termed a /3-dextran.

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