Preparation and physicochemical properties of composite fat substitute
  
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KeyWord:sucrose polyester  sodium alginate  composite fat substitute  physicochemical property
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TAN Wenying, WU Ying, HU Yong  
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Abstract:
      Composite fat substitute was prepared with sucrose polyester and sodium alginate as the main raw materials. Based on single factor experiment, the optimal production process was determined by orthogonal experiment, and the physicochemical properties of the composite fat substitute were determined. The results showed that the optimal process parameters were obtained as follows: mass ratio of sucrose polyester to sodium alginate 2∶1, pH 4.5, stirring temperature 45?℃. Under the optimal parameters, the yield of compound fat substitute was 6.04%.The appearance of the product was similar to oil, and the water holding capacity, oil holding capacity, emulsifying, emulsion stability and rheological showed good functional characteristics.
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