Prevalence and quantification of Listeria monocytogenes in beef offal at retail level in Selangor, Malaysia

被引:12
|
作者
Kuan, Chee Hao [1 ]
Wong, Woan Chwen [1 ]
Pui, Chai Fung [1 ]
Mahyudin, Nor Ainy [1 ]
Tang, John Yew Huat [2 ]
Nishibuchi, Mitsuaki [3 ]
Radu, Son [1 ]
机构
[1] Univ Putra Malaysia, Fac Food Sci & Technol, Food Safety Res Ctr, Serdang 43400, Darul Ehsan, Malaysia
[2] Univ Sultan Zainal Abidin, Fac Food Technol, Terengganu Darul, Iman, Malaysia
[3] Kyoto Univ, Ctr Southeast Asian Studies, Sakyo Ku, Kyoto, Japan
关键词
Listeria monocytogenes; most probable number (MPN); polymerase chain reaction (PCR); beef offal; prevalence; OUTBREAK;
D O I
10.1590/S1517-83822014005000002
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A total of 63 beef offal samples (beef liver = 16; beef lung = 14; beef intestine = 9; beef tripe = 15; beef spleen = 9) from three wet markets (A, B, and C) in Selangor, Malaysia were examined for the prevalence and microbial load of Listeria monocytogenes. A combination of the most probable number and polymerase chain reaction (MPN-PCR) method was employed in this study. It was found that L. monocytogenes detected in 33.33% of the beef offal samples. The prevalence of L. monocytogenes in beef offal purchased from wet markets A, B, and C were 22.73%, 37.50% and 41.18% respectively. The density of L. monocytogenes in all the samples ranged from < 3 up to > 2,400 MPN/g. The findings in this study indicate that beef offal can be a potential vehicle of foodborne listeriosis.
引用
收藏
页码:1169 / 1172
页数:4
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