Biophotometric comparison of cephalexin and cephradine against gram-positive bacteria.

Abstract:

:We have compared the antibacterial activities of cephalexin and cephradine against Staphylococcus aureus, Staphylococcus epidermidis, Staphylococcus saprophyticus (Micrococcus spp. type III), and group B streptococci (35 strains in total), using the Biophotometer. Analysis of growth curves obtained in the presence of various concentrations of the antibiotics revealed little difference between the activities of the two cephalosporins. However, both antibiotics showed maximal activity at 8-16 microgram/ml, and increasing the concentration past this point resulted in a reduced antibacterial effect. Unlike the other species tested, streptococci were not lysed by cephalexin or cephradine.

journal_name

Chemotherapy

journal_title

Chemotherapy

authors

Brumfitt W,Hamilton-Miller JM

doi

10.1159/000238058

subject

Has Abstract

pub_date

1982-01-01 00:00:00

pages

40-5

issue

1

eissn

0009-3157

issn

1421-9794

journal_volume

28

pub_type

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