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Parnpe Viriyavejakul - One of the best experts on this subject based on the ideXlab platform.
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prevalence of parasitic contamination of Raw Vegetables in nakhon si thammarat province southern thailand
BMC Public Health, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Soil-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. A 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. The 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). The 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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Prevalence of parasitic contamination of Raw Vegetables in Nakhon Si Thammarat province, southern Thailand
BMC, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Abstract Background Soil-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. Methods A 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. Results The 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
Son Radu - One of the best experts on this subject based on the ideXlab platform.
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Simulation of cross-contamination and decontamination of Campylobacter jejuni during handling of contaminated Raw Vegetables in a domestic kitchen.
Journal of Food Protection, 2008Co-Authors: Lay Ching Chai, Farinazleen Mohd. Ghazali, Mitsuaki Nishibuchi, Yoshitsugu Nakaguchi, Fatimah Abu Bakar, Pradeep K. Malakar, Son RaduAbstract:Campylobacter jejuni was found to occur at high prevalence in the Raw salad Vegetables examined. Previous reports describe cross-contamination involving meat; here we investigated the occurrence of cross-contamination and decontamination events in the domestic kitchen via C. jejuni-contaminated Vegetables during salad preparation. This is the first report concerning quantitative cross-contamination and decontamination involving naturally contaminated produce. The study was designed to simulate the real preparation of salad in a household kitchen, starting with washing the Vegetables in tap water, then cutting the Vegetables on a cutting board, followed by slicing cucumber and blanching (heating in hot water) the Vegetables in 85°C water. Vegetables naturally contaminated with C. jejuni were used throughout the simulation to attain realistic quantitative data. The mean of the percent transfer rates for C. jejuni from vegetable to wash water was 30.1 to 38.2%; from wash water to cucumber, it was 26.3 to 47.2%; from Vegetables to cutting board, it was 1.6 to 10.3%; and from cutting board to cucumber, it was 22.6 to 73.3%. The data suggest the wash water and plastic cutting board as potential risk factors in C. jejuni transmission to consumers. Washing of the Vegetables with tap water caused a 0.4-log reduction of C. jejuni attached to the Vegetables (most probable number/gram), while rapid blanching reduced the number of C. jejuni organisms to an undetectable level.
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incidence of salmonella spp in Raw Vegetables in selangor malaysia
Food Control, 2003Co-Authors: Noorzaleha Awang Salleh, Mitsuaki Nishibuchi, Gulam Rusul, Zaiton Hassan, Abdul Reezal, Siti Hajar Isa, Son RaduAbstract:Abstract A total of 43 samples of ‘selom’ ( Oenanthe stolonifera ), 26 samples of ‘pegaga’ ( Centella asiatica ), 25 samples of ‘kangkong’ ( Ipomoea aquatica ) and 18 samples of ‘kesum’ ( Polygonum minus ) were examined for the presence of Salmonella spp. Salmonellae were detected from 40 (35%) of the Vegetables samples examined. The most common serotypes isolated were S. weltevreden (23.5%), S. agona (16.2%), S. senftenberg (10.1%) and S. albany (6.7%). The other 27 Salmonella serovars were isolated at frequencies from 0.6% to 3.4%. Several of the Salmonella serotypes isolated in this study have been implicated in human infections in other countries. Although Salmonella species are frequently detected in foods of animal origin, the detection of 31 Salmonella serovars in four local salad Vegetables in this study is not very encouraging, and supported the notion that these Vegetables can be potential health hazards.
Chuchard Punsawad - One of the best experts on this subject based on the ideXlab platform.
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prevalence of parasitic contamination of Raw Vegetables in nakhon si thammarat province southern thailand
BMC Public Health, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Soil-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. A 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. The 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). The 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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Prevalence of parasitic contamination of Raw Vegetables in Nakhon Si Thammarat province, southern Thailand
BMC, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Abstract Background Soil-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. Methods A 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. Results The 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
Kanjana Thongtup - One of the best experts on this subject based on the ideXlab platform.
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prevalence of parasitic contamination of Raw Vegetables in nakhon si thammarat province southern thailand
BMC Public Health, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Soil-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. A 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. The 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). The 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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Prevalence of parasitic contamination of Raw Vegetables in Nakhon Si Thammarat province, southern Thailand
BMC, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Abstract Background Soil-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. Methods A 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. Results The 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
Surasak Nagavirochana - One of the best experts on this subject based on the ideXlab platform.
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prevalence of parasitic contamination of Raw Vegetables in nakhon si thammarat province southern thailand
BMC Public Health, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Soil-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. A 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. The 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). The 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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Prevalence of parasitic contamination of Raw Vegetables in Nakhon Si Thammarat province, southern Thailand
BMC, 2019Co-Authors: Chuchard Punsawad, Nonthapa Phasuk, Kanjana Thongtup, Surasak Nagavirochana, Parnpe ViriyavejakulAbstract:Abstract Background Soil-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. Methods A 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. Results The 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
