T/PPZL 021-2024 Method of removing odor from sheep tail fat during extraction

Scope

Scope: This document specifies the terms and definitions, principles, instruments and equipment, extraction techniques, and deodorization techniques for sheep tail fat. This document is applicable to the extraction and deodorization processing of sheep tail fat. Main technical content: After extracting sheep tail fat, the obtained oil is processed using microwave technology to make the water molecules in the fat oscillate at a corresponding frequency. At the same time, it isolates the air and water to generate heat, so that the oil can be dissolved and separated, and the oil is protected from oxidation and spoilage. Using vacuum distillation technology, the low-volatile fatty acids such as decanoic acid, which are the main sources of rancid odor in sheep tail oil, are removed. Then, indole substances are adsorbed by thyme leaf stems.

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