CCW4109
MRS Agar
Solid culture medium for detection, isolation, and cultivation of lactobacilli and other lactic acid bacteria, tube capacity 20 mL, tube filling volume 17 mL, ready-to-use, box of 20 tubes, for Lactobacillus spp.
别名:
Lactobacillus Agar acc. to De Man, Rogosa and Sharpe, de MAN, ROGOSA and SHARPE Agar
form
solid
shelf life
12 mo. at 8‑25 °C
feature
ready-to-use
composition
agar, 14.0 g/L , dipotassium phosphate, 2.00 g/L , D-(+)-glucose, 20.0 g/L , magnesium acetate, 0.20 g/L , manganese sulfate, 0.05 g/L , meat extract, 8.00 g/L , peptone proteose, 10.0 g/L , polysorbate 80, 1.08 g/L , sodium acetate, 5.0 g/L , tri-ammonium citrate, 2.0 g/L , yeast extract, 4.0 g/L
packaging
box of 20 tubes
storage condition
(Tightly closed)
tube capacity
20 mL
tube filling volume
17 mL
color
yellowish
pH
7.0±0.2 (25 °C)
Quality Level
application(s)
food and beverages
microbiology
suitability
Lactobacillus spp.
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General description
MRS Agar is a medium used for the cultivation of lactobacilli. It is a modified medium based on the highly nutritious properties of tomato juice. The addition of magnesium, manganese, and acetate, together with polysorbate, provides an improved medium for the growth of lactobacilli, including very fastidious species such as Lactobacillus brevis and Lactobacillus fermentum. The quality of the peptones, in addition to the meat and yeast extracts, combine all the necessary growth factors that make MRS medium one of the best media for the cultivation of lactobacilli. As the selectivity of this medium is low and contaminants tend to grow, subculturing in a (double layer) solid medium and then in broth is recommended to increase selectivity. In many cases, growth is encouraged by incubation in a CO2-enriched atmosphere.
Application
MRS Agar is a medium is suitable for the detection, isolation, and cultivation of lactobacilli and other lactic acid bacteria from food and beverages.
存储类别
13 - Non Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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