Assessing parasitic infestation of vegetables in selected markets in Metro Manila, Philippines

Su, Glenn L. Sia; Mariano, Clara Mae R; Matti, Nikki Shayne A; Ramos, Gliceria B.

doi:10.1016/s2222-1808(12)60012-7

Cited by 35 publications

(26 citation statements)

References 8 publications

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“…The predominance of Strongyloides like parasite is similar with similar studies conducted elsewhere [ 5 , 8 , 12 , 17 ]. However, the finding is in contrast with what was reported by other investigators where Ascaris lumbricoides , Cryptosporidium spp , E. histolytica/dispar , and Toxocara spp were the predominant parasites detected [ 13 – 16 ].…”

Section: Discussioncontrasting

confidence: 99%

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Parasitic Contamination of Fruits and Vegetables Collected from Selected Local Markets of Jimma Town, Southwest Ethiopia

Tadesse

Biruksew

Mekonnen

et al. 2014

International Scholarly Research Notices

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Background. A study aimed at determining the prevalence and predictors of parasitic contamination of fruits and vegetables collected from local markets in Jimma Town, Ethiopia, was conducted between April and May 2013. Methods. A total of 360 samples of fruits and vegetables were examined by sedimentation concentration after washing using normal saline. Results. The overall prevalence of parasitic contamination was 57.8%. Strongyloides like parasite (21.9%) was the most frequent parasitic contaminant followed by Toxocara Spp (14.7%), Cryptosporidium Spp (12.8%), H. nana (8.3%), G. lamblia (7.5%), A. lumbricoides (6.7%), E. histolytica/dispar (5.3%), Cyclospora spp (5.0%), and H. diminuta (1.4%). Washing of the fruits and vegetables before display for selling was significantly associated with decreased parasitic contamination (P < 0.001). Conclusion. Since fruits and vegetables are potential sources of transmission for intestinal parasites in the study area, consumers should always avoid acquiring parasitic infection from contaminated fruits and vegetables supplied in Jimma Town through proper cleaning and cooking.

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Section: Discussioncontrasting

confidence: 99%

“…This finding is lower than the finding of 29.3% reported from Alexandria, Egypt [ 15 ]. However, majority of researches did not report the parasite as vegetable contaminant [ 3 , 5 , 12 , 13 , 20 – 22 ]. This might be due to differences in methods used between this study and the previous ones.…”

Section: Discussionmentioning

confidence: 99%

Parasitic Contamination of Fruits and Vegetables Collected from Selected Local Markets of Jimma Town, Southwest Ethiopia

Tadesse

Biruksew

Mekonnen

et al. 2014

International Scholarly Research Notices

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“…The overall parasitic contamination rate was found to be 54.4%, which is in agreement with other findings from southwest Ethiopia and elsewhere [11–15]. It is also, however, higher than that reported in similar studies from, Egypt, Ethiopia and Gaza governorates [5, 17–20].…”

Section: Discussionsupporting

confidence: 90%

Parasitic contamination of raw vegetables and fruits collected from selected local markets in Arba Minch town, Southern Ethiopia

et al. 2017

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BackgroundOne way that people get infected with intestinal parasites is through the consumption of contaminated vegetables and fruits. This study aimed at determining the prevalence and predictors of parasitic contamination of fruits and vegetables collected from four local markets in Arba Minch town, Southern Ethiopia.MethodsA cross-sectional study was conducted from 1 to 21 September 2014 to determine the level of parasitic contamination of fruits and vegetables sold in Arba Minch town. A total of 360 samples of different types of fruits and vegetables were soaked in physiological saline, followed by vigorous shaking with the aid of a mechanical shaker for 15 minutes and then examined using the sedimentation concentration technique.ResultsOut of the 360 samples examined, 196 (54.4%) were contaminated with at least one type of parasite. Ascaris lumbricoides (20.83%) was the most frequently detected parasite and Isospora belli (3.06%) was the least frequently detected one. It was also observed that decreased parasitic contamination was significantly associated with washing the products before displaying it for selling (P < 0.001).ConclusionsThe findings of this study provide evidence that there is a potentially high risk of acquiring parasitic infections from the consumption of raw vegetables and fruits in Arba Minch, Ethiopia. The authors believe that an effort should be made by the relevant bodies to reduce the rate of contamination of products with medically important parasites by educating the vendors and the community.Electronic supplementary materialThe online version of this article (doi:10.1186/s40249-016-0226-6) contains supplementary material, which is available to authorized users.

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“…This study demonstrated that the prevalence of parasitic contamination in vegetable samples from Nakhon Si Thammarat province was 35.1%, which was comparable to the prevalence of 32.6% and 34.7% from previous reports in Shahrekord, Iran [16] and Poland [17], respectively. However, higher contamination rates, ranging from 45% to 58%, were detected in Libya, Iran, Egypt, Brazil, and the Philippines [8, 13, 18–22]. In contrast, the rate of contamination was lower in some studies, such as 5.9% in Ankara, Turkey [23], 14.89% in Mazandaran province, northern Iran [11], 19.4% in Alexandria, Egypt [24], and 26% in Hanoi, Vietnam [25].…”

Section: Discussionmentioning

confidence: 99%

“…However, eating raw vegetables may also lead to the transmission of certain human pathogens (fresh fruits and vegetables are vectors for the transmission of human pathogens) [7]. Several studies have reported the parasitic contamination of fresh vegetables in many countries around the world, for example, Arba Minch town, southern Ethiopia [8], Khartoum state, Sudan [9], Benha, Egypt [10], Accra, Ghana [4], Mazandaran province, northern Iran [11], Poland [12], and Metro Manila, Philippines [13]. Parasites and protozoa that were common contaminants included Ascaris lumbricoides , Cryptosporidium spp., Entamoeba histolytica / dispar , Enterobius vermicularis , Giardia intestinalis , hookworm, Hymenolepis spp., and Trichuris trichiura [4, 8–12, 14].…”

Section: Introductionmentioning

confidence: 99%

Prevalence of parasitic contamination of raw vegetables in Nakhon Si Thammarat province, southern Thailand

et al. 2019

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BackgroundSoil-transmitted helminth (STH) infections are major public health problems in poor and developing countries that require fecal contamination of the environment for transmission. The consumption of raw vegetables without proper washing is one of the main routes of intestinal parasite acquisition. Therefore, this study was designed to detect the prevalence of intestinal parasitic contamination in commonly consumed raw vegetables sold in three central open-air markets in Nakhon Si Thammarat province, southern Thailand.MethodsA total of 265 fresh vegetable samples consisting of peppermint, lettuce, coriander, leek, gotu kola, celery, Chinese cabbage, culantro, Thai basil, and Chinese morning glory were purchased from three central open-air markets in the Mueang, Thasala and Sichon districts from December 2016 to March 2017. Each sample was washed with physiological saline, shaken for 15 min, and then allowed to sediment. Finally, sedimentation was performed via the sedimentation concentration technique and examined using light microscopy for the detection of pathogenic parasites.ResultsThe overall prevalence of parasitic contamination was 35.1% (93/265). The most predominant parasite was hookworms (42.9%), followed by Strongyloides stercoralis (10.6%), Trichuris trichiura (2.6%), Ascaris lumbricoides (2.6%), and Toxocara spp. (2.6%). The highest level of contamination was found in celery, with a prevalence rate of 63.3% (19/30), while the lowest contamination level was found in Chinese morning glory, with a prevalence rate of 2.0% (2/30). The prevalence of intestinal parasite contamination in Mueang district (51.5%) was significantly higher than that in Thasala district (17.9%) and Sichon district (30.6%) (P < 0.001).ConclusionThe results of the present study demonstrate that consumption of vegetables with parasite contamination in this area represents a potential route for the transmission of parasitic infection, particularly hookworm infection. Therefore, it is necessary for health authorities to educate consumers about the proper washing of vegetables prior to consumption. Preventive methods such as wearing gloves and washing hands after handling vegetables should also be advocated to sellers who are at risk of acquiring STH infections via skin penetration.

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Assessing parasitic infestation of vegetables in selected markets in Metro Manila, Philippines

Cited by 35 publications

References 8 publications

Parasitic Contamination of Fruits and Vegetables Collected from Selected Local Markets of Jimma Town, Southwest Ethiopia

Parasitic Contamination of Fruits and Vegetables Collected from Selected Local Markets of Jimma Town, Southwest Ethiopia

Parasitic contamination of raw vegetables and fruits collected from selected local markets in Arba Minch town, Southern Ethiopia

Prevalence of parasitic contamination of raw vegetables in Nakhon Si Thammarat province, southern Thailand

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