In the present study,13 antifoams covering 4 types were investigated base on theirs physical and physiological effects on the biotechmycin producti.

• 综合消泡剂的物理消泡效果及其对发酵过程参数的影响2个主要方面,考察4类(共13种)消泡剂对必特螺旋霉素发酵的影响。