The production of polyunsaturated tallows and their utilization in margarine manufacture

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Abstract
Summary: Offal materials were collected from sheep and cattle, which had been slaughtered after a period of feeding with a protected polyunsaturated oil supplement. Tallows produced from these offals by methods simulating batch dry rendering and low temperature wet rendering processes contained about 19% linoleic acid and had a saturated/unsaturated ratio lower than in normal tallows. Pilot scale refining and margarine manufacturing processes were used to convert the tallows to margarines. No unusual or unexpected processing or quality effects are expected in commercial production using standard ‘good practice’ rendering, refining and margarine manufacturing procedures.

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