Exocellular polysaccharide produced by streptococcus thermophilu

Details Exocellular polysaccharide produced by streptococcus thermophilu Exocellular polysaccharide produced by streptococcus thermophilu

1998-04-24

1999-10-12

Prats, Francisco

Drug, bio-affecting and body treating compositions

Whole live micro-organism, cell, or virus containing

Bacteria or actinomycetales

4242441, 536123, 5361231, 514 54, 435101, 435 72, A61K 3574, A61K 31715, C08B 3700, C12P 1904

Patent

active

059651270

ABSTRACT:
The invention relates to a new isolated exo-polysaccharide originating from Streptococcus thermophilus consisting of essentially D-galactose, L-rhamnose and D-glucose in a molar ratio of 3:2:1, and optionally consisting of the following repeat structure. This polysaccharide may be used in flavor reactions, and for the preparation of a food, cosmetic or pharmaceutical composition intended for inhibiting .beta.-galactoside specific lectins. ##STR1##

REFERENCES:
Lemoine et al, Appl. Environ. Microbiol. 63(9):3512-3518 (1997).
Cell, vol. 76, 597-598, Feb. 25, 1994, S. Barondes et al., "Galectins: A Family of Animal .beta.-Galactoside-Binding Lectins".
Glycobiology, vol. 4, No. 1, pp. 5-12, 1994, R. Colin Hughes "Mac-2: a versatile galactose-binding protein of mammalian tissues".
J. Exp. Med., vol. 177, Jan. 1993, 243-248, M. Truong et al. "Human Neutrophils Express Immunoglobulin E (IgE)-binding Proteins (Mac-2/.epsilon.BP) of the S-Type Lectin Family: Role in IgE--dependent Activation".
J. Exp. Med., vol. 178, Sep. 1993, 777-785, A. Wollenberg et al. "Human Keratinocytes Release the Endogenous .beta.-Galactoside-binding Soluble Lectin Immunoglobulin E (IgE-Binding Protein) which Binds to Langerhans Cells Where It Modulates Their Binding Capacity for IgE Glycoforms".
Oral Bacterial Adherence, vol. 7, Mar. 1993, pp. 406-412, P.E. Kolenbrander et al., "Coaggregation: specific adherence among human oral plaque bacteria".

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