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| Application of rice bran solid fat blended with palm stearin in shortening |
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| KeyWord:rice bran solid fat palm stearin blend shortening |
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| Abstract: |
| Rice bran solid fat is a by-product produced in rice bran oil winterization and fractionation. Three kinds of rice bran solid fats (RBS) with different solid fat content (SFC) curves and palm stearin (PS) were used as raw materials to prepare shortening in a mass ratio of 40∶?60. Taking commercial shortening as reference，the SFC，crystal form，fatty acid composition and micronutrient content of the blend oil were analyzed. The results showed that the binary blend system composed of different RBS had little difference，and they had similar SFC curves to commercial shortening. The contents of palmitic acid and linoleic acid in binary blend oil were higher than those in commercial shortening，while the content of stearic acid was lower than that in commercial shortening. The binary blend system exhibited β′ crystal form. In addition，the binary blend system was rich in oryzanol and phytosterols，which could improve nutritional properties of shortening. |
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