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Development of Purple Sweet Potato Nutrition Jelly

DOU Yong(Grain Engineering and Management Department,Jiangsu Vocational and Technical College of Finance & Economics,Huaian,Jiangsu 223003)  
[Objective]To develop the purple sweet potato nutrient jelly,so as to provide the new means for the further processing of purple sweet potato and development of healthy food.[Method]The orthogonal test was designed to optimize the formula for the processing of purple sweet potato nutrient jelly based on single factor test.[Result]The optimum formulas for the processing of purple sweet potato nutrient jelly were as follows: jelly powder amount of 1.00 %(W/V,the same as following),purple sweet potato extracts amount of 14.00%,added citric acid amount of 0.15% and full-milk powder amount of 2.00%.[Conclusion]The jelly prepared under the optimal formula is delicious with a plum appearance,which provides a new means for the further processing of purple sweet potato.
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