Stability of Cephalosporins in Horse Serum | Zendy

M. A. Foglesong | Zendy

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Stability of Cephalosporins in Horse Serum

Author(s) -

M. A. Foglesong

Publication year - 1977

Publication title -

antimicrobial agents and chemotherapy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.07

H-Index - 259

eISSN - 1070-6283

pISSN - 0066-4804

DOI - 10.1128/aac.11.1.174

Subject(s) - cephaloridine , cefazolin , cefamandole , cephalosporin , cefalotin , cefalexin , chemistry , cephradine , horse , antibiotics , biology , biochemistry , paleontology

The antibiotic activity of cephalothin, cephaloridine, cephalexin, cephaloglycin, cefazolin, and cefamandole was determined after storage for up to 30 days in horse serum at -10 and 4 degrees C. Cephalothin, cefamandole, cefazolin, and cephalexin were stable for at least 30 days at -10 degrees C, whereas cephaloridine lost 29% of its initial activity and cephaloglycin lost more than 50%. Cefamandole, cefazolin, and cephalexin could only be stored for 3 days at 4 degrees C without significant loss in activity, whereas cephalothin, cephaloridine, and cephaloglycin could be stored for only 1 day. Repeated freezing and thawing had a detrimental effect on the stability of cephaloridine.

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