Method for preparing tobacco flower absolute oil by using supercritical CO2 extraction

Method for preparing tobacco flower absolute oil by using supercritical CO2 extraction

  • CN 103,242,960 A
  • Filed: 05/15/2013
  • Published: 08/14/2013
  • Est. Priority Date: 05/15/2013
  • Status: Active Application
First Claim
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1. utilize supercritical CO 2Extraction prepares the method for tobacco extrait, it is characterized in that method steps is as follows:

  • A, the tobacco raw material is packed in the extraction kettle;

    B, with the CO of supercritical state 2Injecting extraction kettle, is 20~

    50MPa in extracting pressure, under the condition that extraction temperature is 35~

    55 ℃

    , and extraction 60~

    240min;

    C, be dissolved with the CO of aroma component 2Fluid enters separating still, heats up by step-down the aroma component of tobacco is separated, and the part self-separation still bottom of separating is discharged and namely obtained tobacco extrait, CO 2Entering extraction kettle recycles.

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