In this article,we have make an exten sive study on the optimumtechnological conditions of Kefir grains fromthree factors affecting its pro liferation in orthogonal experimen ts.

• 本文从影响开菲尔粒增殖的三个因素入手,利用三因素三水平的正交实验设计,探索出影响开菲尔粒增殖的最佳工艺条件;