Food or edible material: processes – compositions – and products – Products per se – or processes of preparing or treating... – Gels or gelable composition
Reexamination Certificate
2005-02-15
2005-02-15
Wong, Leslie (Department: 1761)
Food or edible material: processes, compositions, and products
Products per se, or processes of preparing or treating...
Gels or gelable composition
C426S573000, C426S580000, C426S583000
Reexamination Certificate
active
06855363
ABSTRACT:
A method of providing selected fractions of high-esterified pectin, each having different functionalities, by consecutive extraction of a vegetable material with acidic aqueous solutions to obtain successive fractions of high-esterified pectin with increasing setting time. The vegetable material is optionally prior to being extracted subjected to an acid pre-treatment by heating it in a homogeneous mixture of water and a water-miscible organic solvent. The pectin fractions obtainable by the method have improved properties when used in the preparation of food products such as preserves and acidified milk products. The pectin fractions are also useful as starting materials in a method of obtaining deesterified and optionally amidated pectin fractions having additionally improved functional characteristics.
REFERENCES:
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patent: 3761463 (1973-09-01), Haung
patent: 1106821 (1995-08-01), None
patent: 4466356 (1937-05-01), None
patent: 61076501 (1986-04-01), None
patent: 03201943 (1991-09-01), None
“Fractionation of Citrus Pectin on Diethylaminoethyl-cellulose Colums” by Sohair A. El-Nawawi, et al , Process Biochemistry, vol. 32, No. 5, pp. 377-379 , 1997.
Patent Abstracts of Japan, vol. 10, No. 245 (C-368), Aug. 22, 1986 & JP 61 076503 A (Mitsubishi Acetate), Apr. 19, 1986, see abstract.
DATABASE WPI, Week 8217, Derwent Publications Ltd., London, GB; AN 34732E, XP002078539 & SU 840 043 B (As Mold Chem Inst), Jun. 25, 1981, see abstract.
Buchholt Hans Christian
Larsen Peter Fromholt
Danisco A/S
Hunton & Williams LLP
Wong Leslie
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