Food or edible material: processes – compositions – and products – Products per se – or processes of preparing or treating... – Fat or oil is basic ingredient other than butter in emulsion...
Patent
1989-02-27
1989-11-14
Czaja, Donald E.
Food or edible material: processes, compositions, and products
Products per se, or processes of preparing or treating...
Fat or oil is basic ingredient other than butter in emulsion...
2604285, A23D 500, C11B 300
Patent
active
048806587
ABSTRACT:
A process for the fractionation of fats and oils in which the fat or oil is dissolved in a binary azeotropic solvent mixture. The solvent containing the dissolved fat is cooled to a first temperature to crystallize a high melting stearine fraction, and the high melting stearine fraction is removed from the solvent-crystal mixture. If the fractionation process has for its objective the production of a high melting fat and a lower melting fat (oil), the fractionation process is terminated at this point. However, if an intermediate melting solid fraction is the objective, it is desirable in the first crystallization step to remove a smaller portion of high melting stearine fraction and then to cool the remaining solution to a second temperature lower than the first to crystallize an intermediate melting solid fraction. The second crop of crystals is removed from the solvent-crystal mixture by filtration or decantation. The second crystal fraction is of lower melting point than the first fraction and the intermediate melting point fraction has physical properties similar to those of cocoa butter. The fat recovered from the remaining filtrate solution is an oil. The fractionation can be carried out by batch or continuous process.
REFERENCES:
patent: 4018806 (1977-04-01), Wyness et al.
patent: 4072766 (1978-02-01), Luddy et al.
patent: 4601857 (1986-07-01), Luddy et al.
Longhi Sergio
Luddy Francis E.
Callahan Celine T.
Czaja Donald E.
Nestec S.A.
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