Contamination of intestinal parasites in vegetables from Kuching

Tahar, Ahmad Syatir and Bilung, Lesley Maurice and Goh, Constance Suk Kim and Nillian, Elexson and Lim, Yvonne Ai-Lian and Richard, Reena Leeba and Hashim, Hashimatul Fatma and Apun, Kasing (2021) Contamination of intestinal parasites in vegetables from Kuching. International Journal of Current Research and Review, 13 (4 spec). S31-S38. ISSN 2231-2196, DOI https://doi.org/10.31782/IJCRR.2021.SP135.

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Abstract

Background: Contaminated vegetables with intestinal parasites, particularly those eaten raw, represent a proportion of risks for humans acquiring foodborne parasitic diseases worldwide. Unfortunately, the risk is often neglected as limited studies have been reported about the parasitic occurrence from vegetables retailed in Malaysia. Objective: This study was conducted to determine the occurrence of intestinal parasites in fresh retailed vegetables in Kuching and Kota Samarahan, Sarawak. Methods: A total of 108 vegetables (comprising leafy and root-type vegetables) were purchased from three supermarkets and three wet markets in Kuching and Kota Samarahan. The samples were processed with 0.95 sodium chloride solution and underlaid with Sheather’s sucrose solution. Cryptosporidium and Giardia were detected using AquaGlo™ G/C antibody reagent and 4′,6-diamidino-2-phenylindole stain. Other parasites were detected using Lugol’s iodine stain. Results: A total of 24 out of 108 vegetables samples (22.2) were contaminated with nematode larvae (range: 0.01 – 0.71 larvae/g), Cryptosporidium oocysts (range: 0.01 – 0.03 oocysts/g), hookworm ova (range: 0.01 – 0.02 ova/g) and Giardia cyst (0.01 cysts/g). There were no significant differences (p > 0.05) for means of parasite concentrations in vegetables from supermarkets and wet markets, as well as parasite concentrations from leafy-type and root-type vegetables. Conclusion: The findings revealed relatively high numbers of intestinal parasites detected from fresh retailed vegetables, sig-nifying potential foodborne transmission of parasitic infections if the vegetables are not prepared hygienically or cooked well. Besides, a high proportion of such infection risk may be reduced if farmers also take part in proper sanitation practices during vegetable production and transportation. © IJCRR.

Item Type: Article
Funders: Tun Zaidi Chair [Grant No: F07/TZC/1595/2017]
Uncontrolled Keywords: Cryptosporidium; Giardia; Helminth; Intestinal parasites; Protozoa; Vegetables
Subjects: Q Science > Q Science (General)
R Medicine
Divisions: Faculty of Medicine > Parasitology Deparment
Faculty of Science > Department of Science and Technology Studies
Depositing User: Ms Zaharah Ramly
Date Deposited: 24 Oct 2023 07:57
Last Modified: 24 Oct 2023 07:57
URI: http://eprints.um.edu.my/id/eprint/35573

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