本试验综合采用超滤法、缓冲盐法、流加碱中和法、离心法浓缩菌体，优选工艺路线，为规模化生产奠定基础。
This thesis use the methods of ultra-filtration, phosphate buffer, flowing-alkaline, centrifugal to concentrate the Yoghurt starter, and optimize the processing techniques of it.
对鲜梨澄清汁制作的关键工艺是澄清，研究了离心法和果胶酶澄清对梨汁的澄清效果。
Fresh pear juice to clarify the production process is to clarify the key to study the centrifugal pectinase clarify the law and clarify the effect of pear juice.
对鲜梨澄清汁制作的关键工艺是澄清，研究了离心法和果胶酶澄清对梨汁的澄清效果。
Fresh pear juice to clarify the production process is to clarify the key to study the centrifugal pectinase clarify the law and clarify the effect of pear juice.
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