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余甘子果汁加工工艺优化及理化性质分析

Optimization of Processing Technology and Analysis of Physicochemical Properties of Phyllanthus emblica Juice

  • 摘要: 为研制余甘子果汁饮料,以余甘子果实为试材,采用单因素和正交试验优化余甘子果汁加工工艺。结果表明,余甘子果汁最佳工艺参数为:料液比(果肉与水质量比)1∶2(g/g),甜菊糖苷添加量0.080 g/100 g,果胶酶添加量0.03 g/100 g,均质时间60 s,采用该工艺制得的余甘子果汁感官评分最高(88.07分),单宁含量2.39 mg/L,可溶性固形物含量13.37%,没食子酸含量1.401 mg/mL。饮料菌落总数、大肠菌群数、霉菌菌落数均符合国家标准。果汁颜色呈淡黄色,无明显沉淀,带有余甘子的清香,并可保留余甘子特有的回甘特性和风味,口感醇厚,酸涩味不明显。

     

    Abstract: For the development of Phyllanthus emblica juice beverage, Phyllanthus emblica fruits were used as the test material, single factor and orthogonal experiments were used to optimize the processing technology of Phyllanthus emblica juice. The results showed that the optimal process parameters for Phyllanthus emblica juice were as follows: material-liquid ratio of 1∶2(g/g), steviol glycoside addition of 0.080 g/100 g, pectinase addition of 0.03 g/100 g, and homogenization time of 60 s. The Phyllanthus emblica juice produced by this process received the highest sensory score(88.07 points),with a tannin content of 2.39 mg/L, soluble solids content of 13.37%, and gallic acid content of 1.401 mg/mL. The total bacterial count, coliform count, and mold colony count of the juice all met national standards. The color of the fruit juice was light yellow, without obvious precipitation, with a refreshing aroma of P. emblica and it retained the unique sweetness characteristics and flavor of P. emblica. The sour and astringent taste were not obvious, and the taste was mellow.

     

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