MRS Agar is a medium used for the cultivation of Lactobacillus spp from all types of materials including samples from oral and fecal sources. It may also support the growth of Pediococcus and Leuconostoc species as well as other secondary bacteria. This medium complies with the recommendations of ISO 15214 and APHA.
Enzymatic digest of casein and meat extract provide amino acids, nitrogen, carbon, vitamins and minerals for organisms growth. Yeast extract is a source of vitamins, particularly of B-group. Ammonium citrate and sodium acetate are the selective agents effective against streptococci and moulds. The low pH is also inhibitory for most organisms other than lactobacilli. Magnesium and manganese sulfates are sources of ions and sulfate acting as growth stimulants. Dipotassium phosphate is the buffer. Glucose is the fermentable carbohydrate. Tween 80 is an emulsifier. Agar is the solidifying agent.
ref. 412320
6 bottles x 200 mL
10-25 °C storage temperature
2 years shelf life
