期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH
卷 13, 期 1, 页码 31-42出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/0960312021000063331
关键词
ready-to-eat food; spices; microbiological quality; B. cereus; hygiene practice
A microbiological study of ready-to-eat foods with added spices or spice ingredients was undertaken to identify any risk factors in the production, storage and display of this product and to establish their effect on microbiological quality. Examination of 1946 ready-to-eat foods from sandwich bars, cafes, public houses, restaurants, specialist sandwich producers, bakers, delicatessens, market stalls and mobile vendors found that 1291 (66%) were of satisfactory/acceptable microbiological quality, 609 (32%) were of unsatisfactory quality, and 46 (2%) were of unacceptable quality. Unacceptable results were due to high levels of B. cereus and/or other Bacillus spp. (greater than or equal to10(5) cfu g(-1)). Unsatisfactory results were mostly due to high Aerobic Colony Counts (up to greater than or equal to10(7) cfu g(-1)), Enterobacteriaceae ( 510 4 cfu g 71), Escherichia coli (greater than or equal to10(2) cfu g(-1)), and Bacillus spp (greater than or equal to10(4) cfu g(-1)). Examination of 750 spices and spice ingredients revealed that B. cereus were present in 142 (19%) samples, other Bacillus spp. in 399 (53%) samples, and Salmonella spp. (S. enteritidis PT 11) in one (<1%) sample. Approximately a third (222) of spice and spice ingredients examined contained high counts (>= 10(4) cfu g(-1)) of B. cereus and/or other Bacillus spp., and appeared to be associated with the corresponding ready-to-eat foods containing similar high counts of these organisms (P<0.0001). Acceptable microbiological quality of ready-to-eat foods to which spices or spice ingredients have been added was associated with premises that had management food hygiene training and hazard analysis in place. Poor microbiological quality was associated with preparation on the premises, premises type, little or no confidence in the food business management of food hygiene, and small premises as indicated by local authority inspectors' confidence in management and consumer at risk scores.
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