Identifikasi Cemaran Listeria spp. dari Daging Sapi

Marlina, Marlina and Zadiar, Zadiar and Purwati, Endang and Wendi, Wendi (2010) Identifikasi Cemaran Listeria spp. dari Daging Sapi. Jurnal Sains dan Teknologi Farmasi, 7 (1). ISSN 1410 – 0177

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Abstract

Study on detection and identification of Listeria spp. Front ground beef in Padang city has been carried out. Sample was kept for 24 hours, 48 hours, and 96 hours in freezer at temperature -10°C then detected based on modification USDA method and compared with the ground beef without kept at room temperature. The enrichment used Fraser Broth and homogenate process was mixed in blender. One ose homogenat scratched onto Palcam Agar. The bluish-green single colony which has black haloes was taken and identified. The result indicate that Listeria spp. Was found in all samples of n. 2 and n. 3 which were kept for 24 hours, 48 hours, 96 hours, and on raw ground beef without kept. Keywords : Listeria spp., identification and beef

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