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Water used to moisten vegetables is a source of Escherichia coli and protozoan parasite contamination at markets in Hanoi, Vietnam.
J Water Health. 2014 Dec; 12(4):896-900.JW

Abstract

The study was done to assess the level of fecal (Escherichia coli) and protozoan parasite (Cryptosporidium spp. and Giardia spp.) contamination in water used by traders to moisten vegetables at markets in Hanoi, Vietnam. A total of 200 splashing water samples from markets located within eight districts were analyzed for E. coli and Cryptosporidium spp. and Giardia spp. (oo)cysts. Giardia cysts were found in 17 splashing water samples and Cryptosporidium oocysts in nine samples, with median values of 20 cysts ml(-1) and 10 oocysts ml(-1), respectively. E. coli was found with a median concentration of 636 cfu ml(-1) and its occurrence was negatively correlated with the numbers of protozoan parasites. The splashing water was kept in buckets that were rarely cleaned and often used for handwashing. The finding of these pathogens in splashing water is likely to represent real food safety hazards.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Tram NT
Department of Microbiology, National Institute of Hygiene and Epidemiology, 1 Yersin Street, Hanoi, Vietnam E-mail: tram@nihe.org.vn.
Dalsgaard A
Department of Veterinary Diseases Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Groennegaardsvej 15, DK-1870, Frederiksberg C, Denmark.

MeSH

Colony Count, MicrobialCryptosporidiumEscherichia coliFecesFluorescent Antibody TechniqueFood MicrobiologyFood ParasitologyGiardiaOocystsVegetablesVietnamWaterWater Microbiology

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

25473999

Citation

Tram, Nguyen Thuy, and Anders Dalsgaard. "Water Used to Moisten Vegetables Is a Source of Escherichia Coli and Protozoan Parasite Contamination at Markets in Hanoi, Vietnam." Journal of Water and Health, vol. 12, no. 4, 2014, pp. 896-900.
Tram NT, Dalsgaard A. Water used to moisten vegetables is a source of Escherichia coli and protozoan parasite contamination at markets in Hanoi, Vietnam. J Water Health. 2014;12(4):896-900.
Tram, N. T., & Dalsgaard, A. (2014). Water used to moisten vegetables is a source of Escherichia coli and protozoan parasite contamination at markets in Hanoi, Vietnam. Journal of Water and Health, 12(4), 896-900. https://doi.org/10.2166/wh.2014.145
Tram NT, Dalsgaard A. Water Used to Moisten Vegetables Is a Source of Escherichia Coli and Protozoan Parasite Contamination at Markets in Hanoi, Vietnam. J Water Health. 2014;12(4):896-900. PubMed PMID: 25473999.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Water used to moisten vegetables is a source of Escherichia coli and protozoan parasite contamination at markets in Hanoi, Vietnam. AU - Tram,Nguyen Thuy, AU - Dalsgaard,Anders, PY - 2014/12/5/entrez PY - 2014/12/5/pubmed PY - 2015/2/25/medline SP - 896 EP - 900 JF - Journal of water and health JO - J Water Health VL - 12 IS - 4 N2 - The study was done to assess the level of fecal (Escherichia coli) and protozoan parasite (Cryptosporidium spp. and Giardia spp.) contamination in water used by traders to moisten vegetables at markets in Hanoi, Vietnam. A total of 200 splashing water samples from markets located within eight districts were analyzed for E. coli and Cryptosporidium spp. and Giardia spp. (oo)cysts. Giardia cysts were found in 17 splashing water samples and Cryptosporidium oocysts in nine samples, with median values of 20 cysts ml(-1) and 10 oocysts ml(-1), respectively. E. coli was found with a median concentration of 636 cfu ml(-1) and its occurrence was negatively correlated with the numbers of protozoan parasites. The splashing water was kept in buckets that were rarely cleaned and often used for handwashing. The finding of these pathogens in splashing water is likely to represent real food safety hazards. SN - 1477-8920 UR - https://www.unboundmedicine.com/medline/citation/25473999/Water_used_to_moisten_vegetables_is_a_source_of_Escherichia_coli_and_protozoan_parasite_contamination_at_markets_in_Hanoi_Vietnam_ DB - PRIME DP - Unbound Medicine ER -