This research also has Shown grea t theoretical andpractical significance on the sp eed &purging of proliferationof Kefir grains of eachgeneration.

• 同时,确定了开菲尔粒在每一代的增殖速度及清洗对开菲尔粒增殖的影响,具有一定的理论和较强的现实意义。