Prevalence of Listeria monocytogenes in Retail Beef and Poultry

Preliminary studies on local and imported beef, minced beef, chicken pieces, minced chicken meat and internal organs of poultry from wet market sand supermarkets were carried out and analysed for the presence of Listeria monocytogenes.L. monocytogenes was isolated by direct plating on Palcam agar an...

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Main Authors: Rahmat Ali, Gulam Rusul, Ibrahim, Aziah, Abu Bakar, Fatimah
Format: Article
Language:English
English
Published: 1991
Online Access:http://psasir.upm.edu.my/id/eprint/2877/1/Prevalence_of_Listeria_monocytogenes_in_Retail_Beef_and_Poultry.pdf
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author Rahmat Ali, Gulam Rusul
Ibrahim, Aziah
Abu Bakar, Fatimah
author_facet Rahmat Ali, Gulam Rusul
Ibrahim, Aziah
Abu Bakar, Fatimah
author_sort Rahmat Ali, Gulam Rusul
collection UPM
description Preliminary studies on local and imported beef, minced beef, chicken pieces, minced chicken meat and internal organs of poultry from wet market sand supermarkets were carried out and analysed for the presence of Listeria monocytogenes.L. monocytogenes was isolated by direct plating on Palcam agar and with selective and cold enrichment at 37" and 4°Cin L-Palcamy enrichment broth. Whole chickens and the equipment used for processing of poultry were also swabbed and examined for the presence of the organism. L. monocytogenes was detected in 6/16imported and 3/6 local beef samples. Out of 16 poultry samples which were obtained from four different wet markets, six contained L. monocytogenes. Beef samples obtained from supermarkets were negative for L. monocytogenes but the organism was detected in three of four imported minced beef, and two of four local minced beef samplesL. monocytogenes was also detected in three of thefour chicken samples; two off ourminced samples and one off our organs which were obtained from supermarkets. Chicken carcasses from wet market A were negative for L. monocytogenes but this was not true for chicken carcasses from wet market B because 15 out of24 were positive for L. monocytogenes. No. L. monocytogenes was detected from the equipment in wet market A, but equipment in wet market B was positive for the organism. These results suggest that retailing meats which have been processed for many hours favour growth of L. monocytogenes and also enhance cross-contamination.
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spelling upm.eprints-28772013-05-27T07:04:06Z http://psasir.upm.edu.my/id/eprint/2877/ Prevalence of Listeria monocytogenes in Retail Beef and Poultry Rahmat Ali, Gulam Rusul Ibrahim, Aziah Abu Bakar, Fatimah Preliminary studies on local and imported beef, minced beef, chicken pieces, minced chicken meat and internal organs of poultry from wet market sand supermarkets were carried out and analysed for the presence of Listeria monocytogenes.L. monocytogenes was isolated by direct plating on Palcam agar and with selective and cold enrichment at 37" and 4°Cin L-Palcamy enrichment broth. Whole chickens and the equipment used for processing of poultry were also swabbed and examined for the presence of the organism. L. monocytogenes was detected in 6/16imported and 3/6 local beef samples. Out of 16 poultry samples which were obtained from four different wet markets, six contained L. monocytogenes. Beef samples obtained from supermarkets were negative for L. monocytogenes but the organism was detected in three of four imported minced beef, and two of four local minced beef samplesL. monocytogenes was also detected in three of thefour chicken samples; two off ourminced samples and one off our organs which were obtained from supermarkets. Chicken carcasses from wet market A were negative for L. monocytogenes but this was not true for chicken carcasses from wet market B because 15 out of24 were positive for L. monocytogenes. No. L. monocytogenes was detected from the equipment in wet market A, but equipment in wet market B was positive for the organism. These results suggest that retailing meats which have been processed for many hours favour growth of L. monocytogenes and also enhance cross-contamination. 1991 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/2877/1/Prevalence_of_Listeria_monocytogenes_in_Retail_Beef_and_Poultry.pdf Rahmat Ali, Gulam Rusul and Ibrahim, Aziah and Abu Bakar, Fatimah (1991) Prevalence of Listeria monocytogenes in Retail Beef and Poultry. Pertanika, 14 (3). pp. 249-255. English
spellingShingle Rahmat Ali, Gulam Rusul
Ibrahim, Aziah
Abu Bakar, Fatimah
Prevalence of Listeria monocytogenes in Retail Beef and Poultry
title Prevalence of Listeria monocytogenes in Retail Beef and Poultry
title_full Prevalence of Listeria monocytogenes in Retail Beef and Poultry
title_fullStr Prevalence of Listeria monocytogenes in Retail Beef and Poultry
title_full_unstemmed Prevalence of Listeria monocytogenes in Retail Beef and Poultry
title_short Prevalence of Listeria monocytogenes in Retail Beef and Poultry
title_sort prevalence of listeria monocytogenes in retail beef and poultry
url http://psasir.upm.edu.my/id/eprint/2877/1/Prevalence_of_Listeria_monocytogenes_in_Retail_Beef_and_Poultry.pdf
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AT ibrahimaziah prevalenceoflisteriamonocytogenesinretailbeefandpoultry
AT abubakarfatimah prevalenceoflisteriamonocytogenesinretailbeefandpoultry