The fermentation technol. of penicillin V in 60 T fermentor was studied by iodometry and HPLC. The culture medium was improved. The effect of phenoxyacetic acid on fermentation was discussed.
1995-02-28·Zhongguo Yiyao Gongye Zazhi
Relationship of stability of penicillin injection with rubber stopper
Stability of penicillin injection with Bu rubber stopper was greater than that with natural rubber stopper. Penicillin injection with Bu rubber stopper was stable for ≤2 yr, whereas that with natural rubber stopper was stable for <3 mo.