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ENTEROBACTERIACEAE IN ICE CREAM SOLD AT RETAIL IN TENERIFE, SPAIN

Cristobalina Rodríguez‐Alvarez, Arturo Hardisson, Roberto Álvarez, Á. Arias, A. Sierra

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Abstract

ABSTRACT Ice cream is a dairy product which favors the growth of microorganisms and can be exposed to contamination during handling while being sold at the retail market. The presence of microorganisms belonging to the Enterobacteriaceae family was studied in 67 ice cream samples in the province of Santa Cruz de Tenerife. All the samples showed positive counts, of which 82.1% revealed microbiol counts of > log 3 ‐ < log 5 CFU/g. The isolated species identified (as percent of total) were: Klebsiella pneumoniae, 34.8; Enterobacter aerogenes, 19.3; Enterobacter cloacae, 11.1; Enterobacter aglomerans, 11.6; Escherichia coli and Salmonella arizonae, 2.6; Citrobacter freundii, 1.3; and Serratia marcenscens, 0.7.

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What this paper is about

ABSTRACT Ice cream is a dairy product which favors the growth of microorganisms and can be exposed to contamination during handling while being sold at the retail market. The presence of microorganisms belonging to the Enterobacteriaceae family was studied in 67 ice cream samples in the province of Santa Cruz de Tenerife. All the samples showed positive counts, of which 82.1% revealed microbiol counts of > log 3 ‐ < log 5 CFU/g. The isolated species identified (as percent of total) were: Klebsiella pneumoniae, 34.8; Enterobacter aerogenes, 19.3; Enterobacter cloacae, 11.1; Enterobacter aglomerans, 11.6; Escherichia coli and Salmonella arizonae, 2.6; Citrobacter freundii, 1.3; and Serratia marcenscens, 0.7.

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Available abstract

ABSTRACT Ice cream is a dairy product which favors the growth of microorganisms and can be exposed to contamination during handling while being sold at the retail market. The presence of microorganisms belonging to the Enterobacteriaceae family was studied in 67 ice cream samples in the province of Santa Cruz de Tenerife. All the samples showed positive counts, of which 82.1% revealed microbiol counts of > log 3 ‐ < log 5 CFU/g. The isolated species identified (as percent of total) were: Klebsiella pneumoniae, 34.8; Enterobacter aerogenes, 19.3; Enterobacter cloacae, 11.1; Enterobacter aglomerans, 11.6; Escherichia coli and Salmonella arizonae, 2.6; Citrobacter freundii, 1.3; and Serratia marcenscens, 0.7.

Key concepts: Enterobacter aerogenes, Enterobacter cloacae, Citrobacter freundii, Serratia, Enterobacteriaceae, Citrobacter, Enterobacter, Biology

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ENTEROBACTERIACEAE IN ICE CREAM SOLD AT RETAIL IN TENERIFE, SPAIN — Research Paper | ScholarLens