DEPURATION OF MYTILUS-GALLOPROVINCIALIS EXPERIMENTALLY CONTAMINATED WITH HEPATITIS-A-VIRUS

被引：23

作者：

FRANCO, E ^{[1
]}

TOTI, L ^{[1
]}

GABRIELI, R ^{[1
]}

CROCI, L ^{[1
]}

DEMEDICI, D ^{[1
]}

PANA, A ^{[1
]}

机构：

[1] HIGHER INST HLTH, FOOD LAB, ROME, ITALY

来源：

INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY | 1990年 / 11卷 / 3-4期

关键词：

HEPATITIS A-VIRUS; MUSSEL; VIRAL DEPURATION;

D O I：

10.1016/0168-1605(90)90025-Z

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Mussels (Mytilus galloprovincialis) were contaminated with known amounts of laboratory strains of hepatitis A virus and Poliovirus 1 and the effectiveness of a self-cleansing mechanism was studied using a pilot depuration system. Both viruses were rapidly bioaccumulated by mussels and the maximal concentration of about 10(4) TCID50/ml was reached within 1.5 hours. Depuration was carried out up to 24 h; infectivity titer decreased to 10(2) TCID50/ml and 10(3.2) TCID50/ml within 6 h in hepatitis A virus and Poliovirus 1 contaminated mussels, respectively, but only a very slight further decrease was obtained after 24 h. E. coli was used as a control; within 24 h the concentration decreased from 40 to 2 bacteria/ml of mussel (MPN). The elimination of bacteria is not a reliable parameter to control the effectiveness of viral depuration.

引用

页码：321 / 327

页数：7

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