Extraction of trehalose from yeast was mainly carried out by 50%ethanol-water solution at boiling point. However, to the yeast after microwave cell disruption , trehalose could be easily extracted by water at room temperature in 10 min.. Compared with the traditional leaching operation, the usage of the organic solvent and long time heating were avoided, less impurity was extracted, and the extraction time was shortened in the extraction of trehalose after microwave cell disruption.%酵母胞内海藻糖大都采用50%乙醇-水溶液回流提取得到.但酵母经微波破细胞处理后,以水为溶剂在室温下提取10min,就能把海藻糖充分溶出.与传统浸取相比较,微波破细胞提取具有提取时间短、不需有机溶剂、不需加热、海藻糖收率高、杂质溶出少等优点.
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