Seward Stomacher® 400 Used to Ensure Poultry is Safe for Consumption
Worthing, UK – 19th September 2013 – As the world’s leading laboratory paddle blender for food microbiologists, Seward’s Stomacher® 400 Circulator has been used in a recent evaluation of international sampling methods for the microbiological analysis of broiler carcasses after immersion chilling [1]. As a widespread pathogen, Salmonella can cause severe illness in humans. Global poultry industries have therefore deployed and maintained various food safety programmes to ensure that poultry is safe for consumption.
The sampling method used is a critical step in the analysis of hygiene indicator organisms during process and production of poultry. The use of different international sampling regimes and recovery techniques could lead to variation in detection within the same, or similar samples. A comparison of these methods was, therefore, undertaken to enable a better understanding of microbiological comparison data across countries, supporting international trade.
Different countries have adopted varying official protocols for the detection of Salmonella on poultry carcasses during the slaughtering process. The EU technique requires a 25 g sample of neck skin which is then processed in 225 mL of buffered peptone water in a Stomacher® 400. The US method involves rinsing the carcass in 400 mL of buffered peptone and Stomaching the rinse fluid. However, the Brazilian technique uses the Stomacher® to process samples taken from the skin, muscle from the wings, neck and pericloacal tissue.
As described in the recently published paper [1], the US, EU and Brazilian methods were found to be equivalent for the detection of Salmonella (P=<0.05). The US method was found to produce a higher recovery of hygiene indicator organisms. As such, methods required by national regulatory authorities are producing data which can be regarded as statistically similar. This contributes to the safety of international food trade and also to the development of the poultry industry as a whole.
Food microbiology requires reproducible methodology and consistency in results. As the world’s most popular microbiology blender, the Stomacher® is used to process more than 8 million samples per day and ensures the best possible sample for accurate microbiological analysis.
For more information on Seward, please visit www.seward.co.uk.
Reference 1: Giombelli A, Cavani R, Gloria, M. (2013). Evaluation of three sampling methods for the microbiological analysis of broiler carcasses after immersion chilling. Journal of Food Protection, Vol 76, No. 8, 1330-1335.
About Seward Limited - www.seward.co.uk
Seward manufactures the world leading range of Stomacher® paddle blenders and Stomacher® accessories used in sample preparation for microbiological analyses. The company has been manufacturing and developing the world renown and patented Stomacher® Lab Blender for 40 years. The original and still regarded as the best, over 8 million food samples a day are prepared on Stomacher® 400 paddle blender units around the world.
In addition to sample preparation for food safety analyses, within the bioscience market the new developments of the Stomacher® 80 and micro 80 are proving invaluable for safe and efficient sample processing. The Stomacher® 3500 has established itself as the instrument of choice for preparing samples for the new pathogen test protocols requiring jumbo size samples.
The company is based in Worthing, West Sussex, UK with subsidiaries in the USA and Singapore. All Seward machine products are manufactured within the UK and 1 of its 3 worldwide Stomacher® bag manufacturing operations is also UK-based. This ensures control of quality and price to deliver excellent value to global trading partners and laboratory customers.
Seward Limited continues to develop the product range, now with 3 patents to its credit. Stomacher® is the most highly referenced brand name in food safety and life science sample preparation in scientific publications. The company also assists customers with method development through reference searches and sample evaluations within its own development laboratory.
The original and still the best. The Stomacher® - a Seward product trade name.
Seward contact details:
Europe, Middle East and ROW: +44 (0) 1903 823077; info@seward.co.uk
US & Canada: +1 772 621 8220; info@sewardusa.com
Asia and Pacific: +65 6519 2283; stevenlim@seward.co.uk
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