Pig gall extract used for removing grease, and preparation method and application of pig gall extract

The invention discloses pig gall extract used for removing grease, and a preparation method and an application of the pig gall extract. The extract is prepared by performing multiple steps of filtering, centrifuging, pH adjusting and the like on bile of pig gall. The extract has the characteristics of naturalness and no toxicity, and can serve as a surfactant to be added to a lotion product. Through in vitro grease removal ability assessment, the extract has a mild grease removal ability; and an extraction method is simple and feasible, and is low in cost. 本发明公开了种用于清除油脂的猪胆提取物及其制备方法和用途，该提取物由猪胆的胆汁经过滤、离心、调节pH等多个步骤制取。该提取物，具备天然、无毒特点，可以作为表面活性剂添加到洗剂产品中。经体外油脂清除能力评估，表明本发明的提取物具有温和的油脂清除能力，同时该提取方法简单易行、成本低廉。