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Int J Food Microbiol. 1994 Dec;24(1-2):199-210.

Degradation of complex carbohydrates by Bifidobacterium spp.

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Istituto di Citomorfologia Normale e Patologica, CNR Sezione di Bologna, Istituto Codivilla Putti, Italy.


Two hundred and ninety strains of 29 species of bifidobacteria from human and animal origin were surveyed for their ability to ferment complex carbohydrates. The substrates fermented by the largest number of species were D-galactosamine, D-glucosamine, amylose and amylopectin. Many of the species isolated from animal habitats showed reduced fermentation activity. Bifidobacterium dentium strains fermented gum guar and gum locust bean; porcine gastric mucin was fermented only by B. bifidum, B. infantis was the only species to ferment D-glucuronic acid; strains of B. longum fermented arabinogalactan and the gums arabic, ghatti and tragacanth; alpha-L-fucose was fermented by strains of B. breve, B. infantis and B. pseudocatenulatum. A key to the differentiation of Bifidobacterium species of human origin is provided.

[Indexed for MEDLINE]

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