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Process for preparing sucrose fatty acid ester powder

  • US 4,996,309 A
  • Filed: 10/03/1989
  • Issued: 02/26/1991
  • Est. Priority Date: 11/14/1988
  • Status: Expired due to Fees
First Claim
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1. A process for preparing a powder of sucrose fatty acid esters, which comprises reacting sucrose with a fatty acid alkyl ester in an aqueous reaction system containing a catalyst to produce a sucrose fatty acid ester, adjusting the resulting reaction mixture to a neutral pH region, adding water and a neutral salt to the reaction mixture to precipitate the sucrose fatty acid ester product, separating the resulting precipitate from the liquid phase, washing the precipitate with an acidic water, subjecting the washing liquid to ultrafiltration, spray drying the resulting concentrate in the form of an aqueous solution, and recovering the unreacted sucrose by subjecting the liquid phase to reverse osmosis.

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