LETHEEN Agar Base Modified

Peptone from meat 10.0; peptone from casein 10.0; meat extract 3.0; yeast extract 2.0, sodium chloride 5.0; D(+)glucose 1.0; lecithin 1.0; sodium bisulfite 0.1; agar-agar 20.0

For the determination of bacterial activity of quartenary ammonium compounds.