Production of low cholesterol butter oil by vapor sparging

Distillation: processes – separatory – With chemical reaction – Including step of adding catalyst or reacting material

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203 49, 203 73, 203 79, 203 80, 203 92, 260428, 426417, 426476, 426491, 426492, 426522, 426581, 426601, 552545, B01D 338, A23D 1514, C11B 314

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050929640

ABSTRACT:
Butter oil is heated under high vacuum and sparged for up to about 6 hours to remove cholesterol. Walls surrounding a vapor space above the sparged mass preferably are heated to remove cholesterol with reduced loss of desirable low molecular weight components. Alternatively, the temperature of the butter oil is lowered, and the butter oil is sparged with steam for an additional period of up to about 3 hours to partially hydrolyze triglycerides to mono- and di-glycerides and free fatty acids. The low cholesterol butter oil then is cooled before being exposed to air, thus avoiding oxidation which produces off-flavors. The resulting low-cholesterol butter fat and products made therefrom have composition and organoleptic characteristics substantially similar to those of natural butter oil and butter.

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