Modified gum arabic

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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Details

C536S123000, C536S124000, C514S054000, C514S937000

Reexamination Certificate

active

07462710

ABSTRACT:
The present invention provides a water-soluble modified gum arabic with a weight average molecular weight not less than 0.9 million and arabinogalactan protein not less than 17% by weight obtained by heating Acacia Senegal gum arabic and modified water-soluble gum arabic with a weight average molecular weight not less than 2.5 million and with protein containing high molecular weight components of not less than 25% by weight. Moreover, the present invention provides modified gum arabic with standardized and predictable molecular properties and methods for providing the modified gum arabic endowed with high emulsification efficiency and stability and for uniforming natural variations in unmodified gum arabic. The present invention changes the natural protein distribution of gum arabic, and increases AGP content.

REFERENCES:
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patent: 2000166489 (2000-06-01), None
patent: WO02/072862 (2002-09-01), None
P.A. Williams et al; “Gum arabic”;Handbook of Hydrocolloids; (2000); pp. 155-168.
M.I. Thurston et al; “Effect of Heat an pH on the Carbohydrate Epitopes of Gum fromAcacia senegalRecognised by Monoclonal Antibodies”;Food and Agricultural Immunology(1999) 11; pp. 145-153.
M.I. Thurston et al; “Detection of Gum fromAcacia seyaland Species of Combretum in Admixtures withA. senegalUsing Monoclonal Anitibodies”;Food and Agricultural Immunology(1998) 10; pp. 237-247.
O.H.M. Idris et al; “Characterization of gum fromAcacia senegaltrees of different age and location using multidetection gel permeation chromatography;”Food Hydrocolloids(1998) 12, pp. 379-388.
Mohamed E. Osman et al; “The molecular characterization of the polysaccharide gum fromAcacia sendegal”; Carbohydrate Research(1993) 246, pp. 303-318.
Mikio Nakamura et al; “Effect of Molecular Weight of Gum Arabic on Stability of Emulsion”; JP Pharmaceuticals (1982) vol. 42, No. 1; pp. 25-29.
Martin Glicksman et al; “Gum Arabic”;Industrial Gums—Polysaccharides and Their Derivatives2nd; (1973) pp. 197-263.
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