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L3397

Sigma-Aldrich

LB Broth (Luria low salt)

Powder microbial growth medium

Sinônimo(s):

Luria Broth (Miller’s Modification), Luria-Bertani medium (LB)

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About This Item

Código UNSPSC:
41106200
NACRES:
NA.85

grau

for molecular biology

Nível de qualidade

esterilidade

non-sterile

Formulário

powder

composição

NaCl, 0.5 g/L
Tryptone, 10 g/L
Yeast Extract, 5 g/L

técnica(s)

microbiological culture: suitable

pH

6.8-7.2(1.55% solution)

adequação

suitable for molecular biology
nonselective for Escherichia coli
nonselective for coliforms

aplicação(ões)

food and beverages
microbiology

temperatura de armazenamento

room temp

Descrição geral

Luria Broth is a bacterial culture medium used for the cultivation of members of the Enterobacteriaceae especially E.coli, as well as for coliphage plaque assays. This nutrient-rich microbial broth contains peptides, amino acids, water-soluble vitamins, and carbohydrates in a very low-salt formulation.

Aplicação

LB Broth (Luria low salt) has been used as a liquid broth medium in the broth microdilution technique.

Características e benefícios

Luria′s low salt LB powder provides:
  • Standard formulation
  • A budget-friendly alternative to liquid
  • Easy scale-up using larger package sizes

Nota de preparo

1. Suspend 15.5 g in 1 L of distilled water.
2. Autoclave for 15 minutes at 121°C.

Reconstituição

Stir to suspend 15.5g powder in 1L water. Autoclave for 15 minutes at 121C to sterilize. Allow to cool before making additions, such as antibiotics (if desired).

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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