ß-Streptococcus Selective Agar Base 500G

ß-Streptococcus Selective Agar Base is recommended for the isolation of ß-haemolytic streptococci from clinical specimens heavily contaminated with other bacteria.This medium is used for isolating ß-haemolytic streptococci. It shows reduced colony size but exhibit distinct ß-haemolysis. Yeast extract and lysine promote the haemolytic action of ß-haemolytic Streptococci.Streptococcus pyogenes are ß-haemolytic whereas Streptococcus agalactiae do not show ß-haemolysis.