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Table 1 Microbiological contamination of meat of the clam Tivela mactroides sampled in 2003–2004 along the shore of Caraguatatuba Bay, southeastern Brazil

From: Assessment of contamination of the beach clam Tivela mactroides: implications for food safety of a recreational and subsistence marine resource in Caraguatatuba Bay, Brazil

Agents

Unit

Ref. val.

March 30, 2003

January 10, 2004

February 26, 2004

Brasil, Agência Nacional de Vigilância Sanitária ( 2001 )

FAO/WHO Food and Agriculture Organization of United Nations/World Health Organization ( 2008 )

Samples

Samples

Samples

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

Fecal coliforms

MPN/g

50

700

920

170

110

8

13

8

460

14

2400

110

43

11

43

≥2400

1100

93

9

460

Staphylococcus aureus

CFU/g

1000

 

-

-

1700

3000

-

-

-

-

-

-

-

-

7000

12000

57000

3500

4000

5000

Salmonella sp.

 

Abs.

 

-

-

Abs.

Abs.

-

-

-

-

-

-

-

-

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

Vibrio cholerae

 

Abs.

 

-

-

-

-

-

-

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

  1. Ref. Val. = maximum reference limits for human consumption, MPN = most probable number, CFU = colony-forming units, Abs. = absence, Pres. = presence, − = No data.