Learn More
Thermo Scientific™ Modified Letheen Agar
Description
Effectively carry out microbiological testing of cosmetics using Modified Letheen Agar.
Effectively carry out microbiological testing of cosmetics using Thermo Scientific™ Remel™ Modified Letheen Agar. Weber and Black recommended the use of lecithin and polysorbate 80 based on their study on quaternary ammonium compounds1,2. Letheen Agar Modified is based on the formula in the Bacteriological Analytical Manual for use in the microbiological testing of cosmetics3. It is recommended by the Association of Official Analytical Chemists (AOAC) for cultivation of microorganisms from cosmetic sampling4.
Effectively carry out microbiological testing of cosmetics using Letheen Agar Modified.
- Recommended by AOAC for cultivation of microorganisms from cosmetic samples.
- Ready to use convenience of prepared media.
This medium contains casein peptone and beef extract which supply nutrition necessary for the growth of bacteria. Letheen agar modified contains additional casein peptone which supplies nitrogen for enhanced growth of microorganisms. Yeast extract provides B-complex vitamins. Sodium bisulfite neutralizes quaternary ammonium compounds, lecithin and polysorbate 80 partially inactivate quaternary ammonium compounds, phenolic compounds, formalin, hexachlorophene and ethanol. Incorporation of lecithin and polysorbate 80 to the medium enables the recovery of bacteria from materials containing residues of disinfectant compounds or preservatives used in cosmetics. Dextrose is a carbon source.
Not all products are available for sale in all territories. Please inquire.
Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.
Specifications
Specifications
| Description | Letheen Agar Modified |
| Format | 12mm x 85mm Monoplate |
| Product Type | Agar |
| Quantity | 10/Pk. |
By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.