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Table 2 Microbiological contamination of meat of the clam Tivela mactroides sampled in 2004–2005 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.

April 22, 2004

May 19, 2004

September 2, 2004

February 16, 2005

Brasil, Agência Nacional de Vigilância Sanitária (2001)

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

Sampling sites

Sampling sites

Sampling sites

Sampling sites

A

B

C

A

B

C

A

B

C

A

B

C

Fecal coliforms

MPN/g

50

700

≥2400

≥2400

≥2400

210

240

15

9

4

9

240

39

9

Staphylococcus aureus

CFU/g

1000

 

3500

610

3900

2400

1500

500

1400

1200

800

300

300

300

Salmonella sp.

 

Abs.

 

Pres.

Pres.

Pres.

Pres.

Pres.

Pres.

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.