Todd Hewitt Broth
Starting at $107.36
|Acumedia||BD / Difco||BD / BBL||Oxoid||Merck|
|Todd Hewitt Broth (7161)||249240||211736||CM0189||N/A|
Todd Hewitt Broth is used for the cultivation of streptococci and other fastidious microorganisms.
Product Summary and Explanation
Todd Hewitt Broth was originally developed for the production of antigenic streptococcal hemolysin. ToddHewitt Broth is prepared according to the formula described by Updyke and Nickle, who compared media for type specific extract production of group A streptococci. This study was performed using Todd Hewitt Brothprepared with infusion of fresh beef heart as a control. Results showed Todd Hewitt Broth was particularly satisfactory for growth of group A streptococci for serological typing.
Moody et al. used Todd Hewitt Broth in the fluorescent-antibody identification of group A streptococci from throat cultures. Todd Hewitt Broth is recommended as an enrichment medium for growth of streptococcalcells in the identification of groups A and B by IF staining. Todd Hewitt Broth was used as an enrichmentbroth for group A streptococci in a comparison study of a rapid antigen test.