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US 4,284,578 AGranted
Process for the directed interesterification of a triglyceride oil or oil mixture
AssigneeSafinco
InventorsRene De Lathauwer, Martin Van Opstal, Albert J. Dijkstra
Life of this patent
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Abstract
Process for the directed interesterification of a triglyceride oil or oil mixture comprising the addition of a catalyst to the oil or oil mixture at a temperature below 50.degree. C., the activation of the catalyst below this temperature and the use of successive high and low temperatures in several cycles, the activation of the catalyst being combined with a very fast cooling of short or relatively short duration.
Claims21
Process for the directed interesterification of a triglyceride oil or oil mixture which comprises:
- (a) adding a low temperature-active interesterification catalyst to the triglyceride oil or oil mixture;
- (b) activating the interesterification catalyst;
- (c) cooling the triglyceride oil or oil mixture containing activated interesterification catalyst to a preselected upper cycle temperature, said temperature being above the reference cloud point temperature of the triglyceride oil or oil mixture;
- (d) carrying out a first temperature and time regulated cycle, taking 20 minutes or less wherein, in sequence:
- (i) the temperature of the triglyceride oil or oil mixture is rapidly reduced from the upper cycle temperature to the reference cloud point temperature or a preselected lower cycle temperature, said lower cycle temperature being below the reference cloud point temperature;
- and
- (ii) if the temperature of the triglyceride oil or oil mixture is below the reference cloud point temperature, the temperature of the triglyceride mixture is increased to the reference cloud point temperature;
- (e) carrying out at least three successive temperature and time regulated cycles with each such cycle taking 120 minutes or less wherein, in sequence:
- (i) the temperature of the triglyceride oil or oil mixture is increased from the reference cloud point temperature to the upper cycle temperature;
- (ii) the temperature of the triglyceride oil or oil mixture is rapidly reduced from the upper cycle temperature to the lower cycle temperature;
- and,
- (iii) the temperature of the triglyceride oil or oil mixture is increased from the lower cycle temperature to the reference cloud point temperature.
9 more elements
Dependencies are inferred from the claim text.