This article introduced the study on selective breeding and fermentation process of bacteria at home and abroad in recent years.

本文介绍了近年来国内外在细菌菌种选育、发酵工艺技术等方面的研究现状。

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The fermentation capacity, tolerance to SO_2 and ethanol were used as selective conditions to select the yeast. During the selection, the sensory remark was emphasized.

以各菌株发酵性能、不同的SO_2、酒精浓度为筛选条件，结合感官评定，筛选出2株符合果酒酿造要求且可产生良好香气的酵母菌。

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