E&O Laboratories Ltd have successfully grown their Culture Media business over the last 30 years to become a leading manufacturer
servicing Microbiology Laboratories , Location in Scotland. Their comprehensive media range is continually expanding into specialised industry sectors as well as aiding the rapid diagnosis of the newest antibiotic resistant bacteria strains.

INDUSTRY SECTORS:
• Clinical, Veterinary & Aquaculture
• Food, Water & Environmental
• Pharmaceutical, Industrial & Cosmetics
• Academia & Research

PRODUCT CATEGORIES:
• Ready-to-use Culture Media – Bottled, Bagged and Plated
• Dehydrated Culture Media & Raw Materials
• Antibiotic Supplements & Reagents
• Fresh Donor Horse & Sheep Blood – Frozen Sterile Filtered Serum

Dehydrated Culture Media products are formulated to supply the required nutrients to allow for the growth of microorganisms. Used in combination with a variety of selective agents and incubation conditions a wide range of specific organisms can be isolated. With careful raw material selection of the various media components E&O can ensure a consistent level of quality and performance. For each formulation the necessary ingredients are accurately weighed, combined and blended together to produce a homogenous powdered product.

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Môi trường vi sinh Letheen Broth

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Letheen broth when prepared with polysorbate 80 is used for the testing of quaternary ammonium compounds for antimicrobial activity. Letheen broth is recommended by the Official Methods of Analysis of the Association of Official Analytical Chemists (AOAC). (1)
The enzymatic digest of animal tissue and beef extract act as carbon, nitrogen and vitamin sources in this medium. Sodium chloride maintains the osmotic balance of the medium. Lecithin inactivates quaternary ammonium compounds. Polysorbate 80 must be added to the medium prior to sterilisation. Polysorbate 80 neutralises phenols, formalin, hexachlorophene, and in combination with the lecithin, ethanol.

REFERENCE
(1) Association of Official Analytical Chemists. 1995. Official methods of analysis, 16th ed. Association of Official Analytical Chemists, Washington, D.C

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