LTAF04 High Performance Defoamer is suitable for all kinds of fermentation processes. It is widely used in various kinds of antibiotics, cephalosporin, penicillin, streptomycin, glutamate, lysine, gentamicin, xanthan gum, enzyme preparation, citric acid, amino acid, vitamin C and spores and other bacteria during the fermentation process. This product is non-toxic and harmless.