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Levine EMB Agar (Levine Eosin Methylene Blue Agar) (Eosin Methylene Blue Agar, Levine) (LEMB Agar)

[所属分类:培养基配方] [发布时间:2021-5-6] [发布人:网站管理员2] [阅读次数:] [返回]
Levine EMB Agar
(Levine Eosin Methylene Blue Agar)
(Eosin Methylene Blue Agar, Levine)
(LEMB Agar)

山东拓普生物工程有限公司 培养基配方 http://www.topbiol.com

Composition per liter:

Agar ............................................................................................15.0g
Lactose........................................................................................10.0g
Peptone........................................................................................10.0g
K 2 HPO 4 .........................................................................................2.0g
Eosin Y .........................................................................................0.4g
Methylene Blue......................................................................0.065mg
pH 7.1 ± 0.2 at 25°C
Source:  This medium is available as a premixed powder from BD Di-
agnostic Systems.
Preparation of Medium: Add components to distilled/deionized
water and bring volume to 1.0L. Mix thoroughly. Gently heat and bring
to boiling. Distribute into tubes or flasks. Autoclave for 15 min at 15
psi pressure–121°C. Pour into sterile Petri dishes or leave in tubes.
Use: For the isolation, cultivation, and differentiation of Gram-negative
enteric bacteria based on lactose fermentation. Bacteria that ferment lac-
tose, especially the coliform bacterium Escherichia coli, appear as colo-
nies with a green metallic sheen or blue-black to brown color. Bacteria
that do not ferment lactose appear as colorless or transparent light purple
colonies.
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