Method for removing benzo[alpha]pyrene in fat-soluble natural extract

Method for removing benzo[alpha]pyrene in fat-soluble natural extract

  • CN 105,481,745 A
  • Filed: 11/19/2015
  • Published: 04/13/2016
  • Est. Priority Date: 11/19/2015
  • Status: Active Application
First Claim
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1. remove a method for benzo [α

  • ] pyrene in fat-soluble natural extract, it is characterized in that, comprise the following steps;

    (1) in the thick product of natural extract, add appropriate solvent and obtain mixture;

    (2) mixture is heated, stir, after cooling, layering, levels is separated, is precipitated thing and filtrate;

    (3) a small amount of solvent wash of described throw out, obtains cleaning product and washings;

    (4) product after washing, low temperature desolvation obtains finished product;

    Step (2) described filtrate and step (3) described washings directly use as solvent cycle.

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