OXYTETRACYCLINE-CALCIUM-SILICATE SALT

摘要

The invention relates to a process for the preparation of an oxytetracycline-calcium silicate complex salt from fermentation broth. By the process according to the invention the valuable antibiotic oxytetracycline may be separated from the fermentation broth in an easy manner. The complex obtained according to (a) contains up to 50% of antibiotic and is suitable for the processing in the pharmaceutical industry while the product according to (b) contains 10 to 20% of antibiotic and may be used as fodder additive directly.