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Then, either MacConkey agar or EMB agar (or both) are inoculated with the stool. On MacConkey agar, deep red colonies are produced, as the organism is lactose-positive, and fermentation of this sugar will cause the medium's pH to drop, leading to darkening of the medium. Growth on EMB agar produces black colonies with a greenish-black metallic ...
It contributes towards food safety and grants authorization. [1] It jointly coordinates monitoring programs with federal states . [ 2 ] Within the framework of the European rapid alert system, the BVL secures the flow of information between the EU and the Federal States. [ 3 ]
The name is derived from Low German mett for "chopped pork meat without fat", or Old Saxon meti for "food". It consists of minced pork meat, generally seasoned with salt and black pepper, regionally also with garlic or caraway, and eaten raw. It is also possible to add chopped onion, in which case it is known as Zwiebelmett (onion mett).
Liebig's Extract of Meat Company, established in the United Kingdom, was the producer of LEMCO brand Liebig's Extract of Meat and the originator of Oxo meat extracts and Oxo beef stock cubes. It was named after Justus Freiherr von Liebig , the 19th-century German organic chemist who developed and promoted a method for industrial production of ...
Nutrient agar is a general-purpose solid medium supporting growth of a wide range of non-fastidious organisms. It typically contains ( mass/volume ): [ 1 ] 0.5% peptone – this provides organic nitrogen
HCA formation during cooking depends on the type of meat, cooking temperature, the degree of browning and the cooking time. Meats that are lower in fat and water content show higher concentrations of HCAs after cooking. More HCAs are formed when pan surface temperatures are higher than 220 °C (428 °F) such as with most frying or grilling.
Agar plates Organisms are placed or streaked onto petri dishes Provides a solid surface for stationary growth, compact and stackable Agar based dipsticks Essentially miniature agar plates in the form of dipsticks Diagnostic purposes, can be used anywhere, cost effective, easy to use Selective and differential media
Lab Lemco' Powder is a refined meat extract that is very light in color and has been in production since 1865. [1] This product is used in a wide range of bacteriological growth media. It has growth-promoting qualities for the culturing of cells in laboratories, [2] and is much easier to handle than most other meat extracts. [3]