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Process for obtaining useful materials from Fenugreek seeds

  • US 6,495,175 B2
  • Filed: 02/09/2001
  • Issued: 12/17/2002
  • Est. Priority Date: 02/14/2000
  • Status: Expired due to Fees
First Claim
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1. A method of obtaining valuable components from Fenugreek seeds comprising the steps of:

  • extracting the Fenugreek seeds with a hot first extraction solvent to provide a first useful extract and a first extracted mass, wherein the first useful extract comprises fixed oils;

    extracting the first extracted mass with a hot different second extraction solvent to provide a second useful extract and a second extracted mass, wherein the second useful extract comprises oleoresin; and

    removing solvent from the second extracted mass to provide a useful solid;

    wherein the first extraction solvent is selected from the group consisting of petroleum ether, hexane, n-propanol, isopropanol, and a combination thereof; and

    the second extraction solvent is selected from the group consisting of ethanol, isopropanol, aqueous isopropanol, aqueous ethanol and a combination thereof; and

    the process further comprises the step of;

    removing a major portion of the first extraction solvent from the first useful extracts to form substantially pure fixed oil.

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