enrichment method broth

  • Enrichment culture - Wikipedia

    Enrichment culture is the use of certain growth media to favor the growth of a particular microorganism over others, enriching a sample for the microorganism of interest. This is generally done by introducing nutrients or environmental conditions that only allow the growth of an organism of interest.

  • Comparison of direct-plating and broth-enrichment culture ...

    Objective. We compared the recovery of potential respiratory bacterial pathogens and normal flora from nasopharyngeal specimens collected from children during health and at the onset of acute otitis media (AOM) by selective direct-plating and overnight broth-enrichment. Methods. Overall, 3442 nasal wash (NW) samples collected from young children were analysed from a 10-year prospective study.

  • Mixed culture enrichment of Escherichia coli O157:H7 ...

    Mixed culture enrichment of Escherichia coli O157:H7, Listeria monocytogenes, Salmonella enterica,andYersinia enterocolitica Andrew G. Gehringa,*, David M. Albina, Arun K. Bhuniab, Hyochin Kimb, Sue A. Reeda, Shu-I Tua aMicrobial Biophysics and Residue Chemistry Research Unit, U.S. Department of Agriculture-Agricultural Research Service, Eastern Regional Research Center,

  • Protocol: Phage enrichment - Center for Phage Technology

    Jul 12, 2011 · Protocol: Phage enrichment. The goal of this method is to enrich your sample for phages capable of infecting your desired host. This is done by removing the endogenous bacteria from your sample and adding it to bacterial culture media and a .

  • EE Broth Mossel Enrichment - BD

    details on test methods for performing MPN technique with enrichment using EE Broth Mossel Enrichment.6,7 For pharmaceutical samples, refer to USP General Chapter <62> for details on the examination of nonsterile products and tests for isolating Enterobacteriaceae using EE Broth Mossel Enrichment.1 Expected Results

  • Understanding Microbiological Sampling and Testing

    •Is the method enrichment-based with the intent to detect the lowest possible numbers of stressed pathogen cells? ... •Different pathogens require different enrichment media (broth) –One vs. two-stage enrichment •Primary enrichment vs. secondary enrichment –Resuscitation vs. selective growth.

  • CM1066, Oxoid Novel Enrichment (ONE) Broth-Listeria ...

    ONE Broth-Listeria is the selective enrichment broth used in the Oxoid Listeria Precis™ rapid culture method. For information simply download the ONE Broth-Listeria data sheet (273KB) or the Listeria Precis data sheet (680KB) in PDF format. Directions Suspend 22g of ONE Broth-Listeria Base in 500ml (44g/l) of distilled water.

  • Comparison of three enrichment media for the isolation of ...

    Dec 25, 2001 · Aim: This study compared the performance of three Campylobacter enrichment broths: Bolton broth (BB), Campylobacter Enrichment broth (CEB) and Preston broth (PB).. Methods and Results: Pure cultures of target and competitor organisms, and naturally‐contaminated food samples, were used to establish the performance of these media.

  • Comparison of Conventional Direct and Enrichment Culture ...

    The results of this study indicate that the broth-based enrichment method should be used for the isolation of Erysipelothrix spp. from clinical samples with a history suggestive of erysipelas and that Vagococcus spp. is potentially an important differential diagnosis.

  • EE Broth Mossel, USP for detection of Enterobacteriaceae

    EE Broth Mossel, USP should be used as an enrichment broth, followed by subculture to a selective solid medium (e.g. Violet Red Bile with Glucose Agar). The detection of Enterobacteriaceae is of great concern in the microbial examination of non-sterile products and .


    of three enrichment broths and five plating agars for Salmonella isolation from naturally contaminated poultry carcasses. MATERIALS AND METHODS Samples One hundred refrigerated poultry carcass samples were collected from supermarkets, butcheries, and hospital kitchens over a .