By comparing the ability of tolerance and bacteriostasis with Bacillus natto preserved in our laboratory, one of the most predominant strain B2 was sieved.

• 通过比较这2个分离菌株与实验室保存的纳豆芽孢杆菌菌株的耐受性和抑菌能力，从中选出1株最优菌株B2。