比较了己酸菌不同保存方式的保藏效果，实验表明采用冷冻干燥保藏法长期保藏菌种效果良好。

The effect of variety preservation methods were compared, and the experiments show that using the freeze dry method to long-term preserve caproic acid bacteria is better.

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结果表明：冷冻干燥法保藏菌种时间最长（本实验室已保存15年）； 肉浸汤琼脂平板法保藏菌种时间最短（2～3月）。

The results indicated: freeze-drying method could do the longest preservation (at least 15 years) while beef broth agar plate method did the shortest (only 2 to 3 months).

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