The Production of β-Fructofuranosidase fromBifidobacteriumspp.

1 January 1992

journal article
Published by Taylor & Francis in Bioscience, Biotechnology, and Biochemistry

Vol. 56 (9) , 1451-1454
https://doi.org/10.1271/bbb.56.1451

Abstract

The productions of β-fructofuranosidase from Bifidohacterium longum A1, B. adolescentis G1, and four other strains of Bifidobacteria were investigated. All strains used in this study were grown in modified BL broth containing a mixture of fructooligosaccharides [1^F (1-β-D-fructofuranosyl)_n-1sucrose, GF_n (n = 2 – 5)] as the only carbon source. Hydrolyses of 1-kestose, sucrose, and inulin were detected in the extract of the cell. The highest activity on 1-kestose was detected in the extract of B. longum A1 followed by B. adolescentis G1. The other extracts weakly attacked 1-kestose. The relative activities of the extract of B. adolescentis G1 for 1-kestose, nystose, 1^F-fructosylnystose, sucrose, and inulin were 100, 82.5, 50.8, 28.3, and 15.0, respectively. The relative activities for various substrates differed from invertases (yeast β-fructofuranosidases) and exo-inulinase from Penicillium trzehinskii.

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