CCW4109
MRS Agar
tube capacity 20 mL, Solid culture medium for detection, isolation, and cultivation of lactobacilli and other lactic acid bacteria, 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
质量水平
表单
solid
保质期
12 mo. at 8‑25 °C
特点
ready-to-use
组成
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
包装
box of 20 tubes
储存条件
(Tightly closed)
管容量
20 mL
tube filling volume
17 mL
颜色
yellowish
pH值（酸碱度）
7.0±0.2 (25 °C)
应用
food and beverages
microbiology
适用性
Lactobacillus spp.
一般描述
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.
应用
MRS Agar is a medium is suitable for the detection, isolation, and cultivation of lactobacilli and other lactic acid bacteria from food and beverages.
储存分类代码
13 - Non Combustible Solids
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
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