Prevalence of helminth parasites found on vegetables sold in Maiduguri, Northeastern Nigeria

Adamu, Nuhu Bala; Adamu, J.; D., Mohammed,

doi:10.1016/j.foodcont.2011.10.016

Cited by 62 publications

(49 citation statements)

References 21 publications

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“…Green leafy vegetables such as pegaga have a broad uneven surface that provides a large surface that allows parasitic eggs and cysts to easily attach to the vegetable. On the other hand, vegetables with long narrow leaves such as kangkung and fruits with smooth leathery surfaces like belimbing have the lowest occurrence of parasitic contamination because their narrow or smooth surfaces reduce the rate of parasitic attachment (Adamu et al 2012;El Said Said 2012). The occurrence of more than one parasite type per sample in this study reflects the possibility of the multi-faecal contamination of vegetables, which could lead to multiple parasitic infections in humans.…”

Section: Discussionmentioning

confidence: 75%

Occurrence of Intestinal Parasitic Contamination in Select Consumed Local Raw Vegetables and Fruits in Kuantan, Pahang

Yusof¹,

Mohammad²,

Abdullahi

et al. 2017

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Abstrak: Jangkitan parasit usus adalah salah satu penyakit manusia yang lazimnya menyebabkan masalah kesihatan yang serius dan mengakibatkan isu-isu ekonomi di negara-negara maju dan membangun. Sayur-sayuran mentah dan buah-buahan memainkan peranan yang penting sebagai medium jangkitan parasit ke dalam manusia. Oleh itu, tujuan kajian ini adalah untuk menyiasat pencemaran parasitologi daripada sayur-sayuran berdaun dan buah-buahan yang biasa dimakan serta dipilih penduduk tempatan di Kuantan, Malaysia. Sebanyak satu kilogram sayur-sayuran tempatan yang dimakan mentah dan buah-buahan telah dikumpulkan secara rawak dari pasar basah Kuantan (Pasar Tani) semasa musim tengkujuh (November 2014-Januari 2015) dan musim kering (Februari 2015-April 2015. Prosedur lazim "wet mount" dan teknik perwarnaan Ziehl-Neelsen yang dimodifikasi telah digunakan untuk mengesan parasit. Dalam kajian ini, pemeriksaan sayur-sayuran mendedahkan lima spesies parasite yang berbeza. Sampel sayur-sayuran yang diambil daripada pasar basah Kuantan adalah positif untuk kedua-dua helmin dan protozoa. Walau bagaimanapun, sampel buah-buahan adalah negatif untuk pencemaran parasit. Pegaga merupakan sayuran yang paling tercemar dalam kajian ini dan Strongyloides adalah parasit yang paling kerap ditemui. Tambahan pula, terdapat kepelbagaian yang tinggi dalam jenis parasit yang telah diperhatikan semasa musim kering berbanding musim tengkujuh. Oleh itu, tindakan lanjut perlu diambil untuk mengurangkan berlakunya pencemaran parasit didalam sayur-sayuran dengan melaksanakan prinsip-prinsip amalan pertanian yang baik serta keberkesanan rawatan air perlu dipertingkatkan. 24parasites to humans. Hence, the aim of this study was to investigate the parasitological contamination of select commonly consumed local leafy vegetables and fruits in Kuantan, Malaysia. One kilogram of locally consumed raw vegetables and fruits were collected randomly from the Kuantan wet market (Pasar Tani) during the monsoon season (November 2014-January 2015) and the dry season (February 2015-April 2015. A standard wet mount procedure and modified Ziehl-Neelsen staining were used for the detection of parasites. In the present study, the examination of vegetables revealed five different parasite species. The vegetable samples collected from Kuantan's wet market were positive for both helminthes and protozoa. However, the fruits samples were negative for parasitic contamination. Pegaga was the most contaminated leafy vegetable in this study, and Strongyloides was the parasite found most frequently. Furthermore, there was a high diversity in the type of parasites observed during the dry season compared to the monsoon season. Therefore, further action should be taken to reduce the occurrence of parasitic contamination in vegetables by implementing the principles of good agricultural practice and improving water treatment efficacy.

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Section: Discussionmentioning

confidence: 75%

Occurrence of Intestinal Parasitic Contamination in Select Consumed Local Raw Vegetables and Fruits in Kuantan, Pahang

Yusof¹,

Mohammad²,

Abdullahi

et al. 2017

tlsr

View full text Add to dashboard Cite

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“…Although the contamination rate found among them was statistically similar, a little variation was detected, which may be attributed to the anatomical differences of vegetable foliage. For example, lettuce presents broad leaves, with a large surface area and a compact structure that provides better fixation and permanence of parasitic structures 19 . In addition, the flexibility of its leaves can facilitate contact with the soil during cultivation and, consequently, with helminth structures probably found at this site 12 .…”

Section: Discussionmentioning

confidence: 99%

Contamination by intestinal parasites in vegetables marketed in an area of Jequitinhonha Valley, Minas Gerais, Brazil

et al. 2017

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ObjectiveThe present study aimed to evaluate the presence of helminthes and intestinal protozoa in vegetables commercialized in Diamantina, a municipality located at Jequitinhonha Valley, one of the poorest regions of the world. MethodsA total of 108 specimens, including lettuce, green onion and rocket, were monthly collected from the most popular open street market, green grocery and supermarket of the municipality. The samples were processed by a concentration method and evaluated by light microscopy for parasitological identification. ResultsThe percentage of contamination was 50.9% (55/108), with predominance of nematode larvae (36.5%), cysts of Entamoeba coli (26.0%) and eggs of hookworms/Strongyloides spp. (12.9%). Lettuce showed greater contamination rate (61.1%) and samples from the open street market were more contaminated (77.8%). Information collected at each point of sale pointed the field cultivation as the critical step for such contaminations. ConclusionVegetables marketed in Diamantina presents a wide variety of intestinal parasites, which may represent a potential risk to the health of consumers of fresh vegetables.Keywords: Foodborne diseases. Helminthiasis. Parasites. Vegetables. R E S U M O Objetivo O presente estudo teve como objetivo avaliar a presença de helmintos e protozoários intestinais em hortaliças comercializados em Diamantina, um município localizado no Vale do Jequitinhonha, uma das regiões mais pobres do mundo. Métodos Cento e oito exemplares, incluindo alface, cebolinha e rúcula, foram mensalmente coletados em uma feira livre, uma quitanda e um supermercado do município. As amostras foram processadas por um método de concentração e avaliadas por microscopia óptica para pesquisa de estruturas parasitárias. Resultados

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“…To detect parasites in these matrices (except water), we used methods with the intention to suspend the target organisms and to extract them into a liquid phase (Adamu et al, 2012). Therefore, in the laboratory we first proceeded by washing all samples with physiological saline solution (0.95% NaCl).…”

Section: Samples Processing To Obtain Liquid Phasementioning

confidence: 99%

Physicochemical and parasitological quality of vegetables irrigation water in Ouagadougou city, Burkina-Faso

Kpoda¹,

Ouéda²,

Somé³

et al. 2015

Afr. J. Microbiol. Res.

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The quality of irrigation water from different sources used by urban vegetable producers, the watered soils and vegetables in Ouagadougou was investigated. From December 2012 to December 2013, samples of water (97), lettuces heads (20), manure (10) and soil (9) were collected and analyzed for their parasitological quality using modified Bailenger methods. The result shows that parasites concentration in samples (1 to 11 egg/L in water, 0.45 egg/g on lettuce and 0.48 egg/g in soil) are above the threshold levels set by WHO/FAO for unrestricted irrigation. Different protozoa and helminthes belonging to 9 species were identified in the samples analyzed. These include Ankylostoma duodenalis, Hymenolepis nana, Ascaris lombricoïdes, Taenias ssp., Strongyloides stercoralis, Entamoeba histolytica, Giardia lamblia and Entamoeba coli. Despite variation in isolated parasites, eggs of A. lumbricoïdes and A. duodenalis were common in all water, soil and vegetables. Furthermore 14.87% of collected eggs have proven to be viable with predominance of helminthes eggs. As a result, farmers appear to be the most exposed group to helminthiasis.

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Prevalence of helminth parasites found on vegetables sold in Maiduguri, Northeastern Nigeria

Cited by 62 publications

References 21 publications

Occurrence of Intestinal Parasitic Contamination in Select Consumed Local Raw Vegetables and Fruits in Kuantan, Pahang

Occurrence of Intestinal Parasitic Contamination in Select Consumed Local Raw Vegetables and Fruits in Kuantan, Pahang

Contamination by intestinal parasites in vegetables marketed in an area of Jequitinhonha Valley, Minas Gerais, Brazil

Physicochemical and parasitological quality of vegetables irrigation water in Ouagadougou city, Burkina-Faso

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