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You are here:Home » Culture Media » Media-Molecular Biology » L-Broth (Luria Broth) (Powder)

L-Broth (Luria Broth) (Powder)


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L-Broth (Luria Broth) is the standard nutrient media for propagation of Escherichia coli for purposes of strain maintenance, cloning, plasmid propagation, and protein expression. LB Broth media formulations have been industry standards for the cultivation of Escherichia coli since the 1950’s (1,2,3). These media have been widely used in molecular microbiology applications for the preparation of plasmid DNA and recombinant proteins (4,5). The media are nutrient-rich formulations which provide peptides and peptones, vitamins, and trace elements. The three formulations (Lennox, Miller and Luria) differ in the amount of sodium chloride, thus providing selection of the appropriate osmotic conditions for the particular bacterial strain and desired culture conditions. The low salt formulations, Lennox and Luria, are ideal for cultures requiring salt-sensitive antibiotics such as Zeocin™.
Catalog #L1530
BSE-Free All raw materials of animal origin are sourced from USDA-designated BSE-Free countries
Dust-Free Specially milled powder blends are designed to eliminate or greatly reduce airborne particulates
Homogeneous Proprietary blending technology ensures complete mixing of components
Companion productTerrific Broth is a richer media that would be suitable if higher cell densities and higher yields for plasmids or protein purifications are necessary.
T2810: Terrific Broth (Powder)
T2810-05: Terrific Broth, Complete with Carbon Source (Powder)
T2810-10: Terrific Broth, Modified for Genomics (Powder)
T2810-11: Terrific Broth, Modified for Fermentation, non-animal (Powder)
L1500 LB Agar Lennox (Powder)
L1505: LB Broth Lennox (Powder)
L1510: LB Top Agar Lennox (Powder)
P9102-40H: Protein Expression Media, LB Broth Lennox (Powder) pEX™
P9102-40H1: Protein Expression Media, LB Broth Lennox (Liquid) pEX™
L1515 LB Agar Miller (Powder)
L1520: LB Broth Miller (Powder)
L1525: LB Top Agar Miller (Powder)
P9102-40G: Protein Expression Media, LB Broth Miller (Powder) pEX™
P9102-40G1: Protein Expression Media, LB Broth Miller (Liquid) pEX™
L1530 L-Broth (Luria Broth) (Powder)
Light tan, homogeneous, free flowing powder
Pale yellow, clear, complete
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesTryptone, Yeast Extract, NaCL

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