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.
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。
2
As freeze drying (lyophilization) preservation has many significant virtues than many other long-term preservation methods, it has become one new research hotpot of long-term preservation of cells.
由于冷冻干燥法具有其他长期保存法无法比拟的一些优点，该方法己成为细胞长期保存方法中新的研究热点。
3
Conclusion the liquid nitrogen rapid freeze method is the best anti-ice crystal mation method for section preservation.