M17 Agar Base 500G

M17 Agar Base is recommended for cultivation of lactic Streptococci and plaque assay of lactic bacteriophages. This media is based on the formulation described by Terzaghi and Sandine for the cultivation and enumeration of lactic Streptococci and their bacteriophages. M17 Agar is recommended by the International Dairy Federation for selective enumeration of Streptococcus thermophilus from yoghurt. M17 Agar is recommended by APHA for the cultivation of lactic Streptococci. Bacteriophages presence is observed by appearance of characteristic plaques over the bacterial growth.