八宝茶风味发酵乳的制备工艺研究

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Study on the Preparation Process ofEight-Treasure Tea FlavoredFermented Milk

WANG Qi1 ，SUN Fangyan²，ZANG Xicui² （1.Ningxia Polytechnic，Yinchuan 750021， China; 2.Ningxia Saishang DairyCo.，Ltd.，Yinchuan 750200，China）

Abstract：With eight-treasure tea and milk powder as the main raw materials，eight-treasure tea flavored fermented milk was prepared by fermentation process，and the sensory score was used as the evaluation index.The preparation process was optimized by single factor experiment and orthogonal experiment.The results showed that the optimal preparation process parameters of eight-treasure tea flavored fermented milk were 0.4% addition of eight-treasure tea concentrate， 6% addition of white sugar， 0.02g/100g additionof bacteria，and 4h fermentation time.The fermented milk prepared bythis processhas both the unique frankincense flavor offermented milk and the appropriate eight-treasure tea flavor， with uniform and delicate texture and good sensory quality.

Keywords： eight-treasure tea; fermented milk; preparation process

八宝茶属于宁夏地区特色茶饮，由枸杞、红枣、桂圆、芝麻、陈皮、核桃、玫瑰和绿茶等多种食材组成，富含多种生物活性化合物，具有抗氧化、补气养血和抑制色素沉着等功效[1。（剩余3700字）