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Publication Metadata only Food safety in Thailand 6: How to eat guava fruits safely? Effects of washing and peeling on removing pesticide residues in guava fruits(2019-01-01) Chonthicha Wanwimolruk; Kamonrat Phopin; Sompon Wanwimolruk; Mahidol University© 2019 Wiley Periodicals, Inc. Pesticide residues in produce are not commonly monitored in developing countries. This study aims to determine whether washing and peeling has an effect on removing pesticide residues from guava fruits. Seventy-five... guava samples were purchased from Thai markets, and analyzed for 67 pesticides. Eighteen pesticides were detected in the guava samples. The incidence of pesticide detection was 100% with a MRL exceedance of 95% in the guava studied. Washing the guavaPublication Metadata only Food safety in Thailand 4: Comparison of pesticide residues found in three commonly consumed vegetables purchased from local markets and supermarkets in Thailand(2016-01-01) Sompon Wanwimolruk; Kamonrat Phopin; Somchai Boonpangrak; Virapong Prachayasittikul; Mahidol University© 2016 Wanwimolruk et al. Background. The wide use of pesticides raises concerns on the health risks associated with pesticide exposure. For developing countries, like Thailand, pesticide monitoring program (in vegetables and fruits) and also... the maximum residue limits (MRL) regulation have not been entirely implemented. The MRL is a product limit, not a safety limit. TheMRLis the maximum concentration of a pesticide residue (expressed as mg/kg) recommended by the Codex Alimentarius CommissionPublication Metadata only Food safety in Thailand 5: the effect of washing pesticide residues found in cabbages and tomatoes(2017-09-01) Sompon Wanwimolruk; Wanrudee Duangsuwan; Kamonrat Phopin; Somchai Boonpangrak; Mahidol University© 2017, Bundesamt für Verbraucherschutz und Lebensmittelsicherheit (BVL). Plant protection products including pesticides are extensively used in worldwide agriculture. In order to protect consumer health, maximum residue limits (MRL) have been... established in many countries and by the Codex Alimentarius Commission. In Thailand, the MRL regulation exists but is not fully enforced. Thus, the purpose of this study was to determine pesticide residues in cabbages and tomatoes sold in ThailandPublication Metadata only Food safety in Thailand 2: Pesticide residues found in Chinese kale (Brassica oleracea), a commonly consumed vegetable in Asian countries(2015-01-01) Sompon Wanwimolruk; Onnicha Kanchanamayoon; Kamonrat Phopin; Virapong Prachayasittikul; Mahidol University© 2015 Elsevier B.V. There is increasing public concern over human health risks associated with extensive use of pesticides in agriculture. Regulation of pesticide maximum residue limits (MRLs) in food commodities is established in many developed... countries. For Thailand, this regulation exists in law but is not fully enforced. Therefore, pesticide residues in vegetables and fruits have not been well monitored. This study investigated the pesticide residues in Chinese kale, a commonly eaten vegetablePublication Metadata only Food safety in Thailand 1: it is safe to eat watermelon and durian in Thailand(2015-05-18) Sompon Wanwimolruk; Onnicha Kanchanamayoon; Somchai Boonpangrak; Virapong Prachayasittikul; Mahidol University© 2015, The Japanese Society for Hygiene. Objectives: The wide use of pesticides raises serious concerns regarding food safety and environmental impacts. There is increasing public concern about the potential health risks linked with exposure... to pesticides. Regulation of maximum residue limits (MRL) of pesticide residues in food commodities has been established in many developed countries. For developing countries, like Thailand, this regulation often exists in law, but is not completely enforcedPublication Metadata only Food safety in Thailand. 3: Pesticide residues detected in mangosteen (Garcinia mangostana L.), queen of fruits(2017-02-01) Kamonrat Phopin; Sompon Wanwimolruk; Virapong Prachayasittikul; Mahidol University© 2016 Society of Chemical Industry BACKGROUND: For developing countries like Thailand, regulation of pesticide usage exists, but it is not fully enforced. Therefore, pesticide residues in vegetables and fruits have not been well monitored.... This study aimed to determine the pesticide residues in mangosteen fruits sold in Thailand. The mangosteen samples (n = 111) were purchased and the contents of 28 pesticides were analysed by GC-MS/MS method. RESULTS: Of the pesticides tested, eight were foundPublication Metadata only Association between organophosphate pesticide exposure and insulin resistance in pesticide sprayers and nonfarmworkers(2020-11-01) Mathuramat Seesen; Roberto G. Lucchini; Somkiat Siriruttanapruk; Ratana Sapbamrer; Surat Hongsibsong; Susan Woskie; Pornpimol Kongtip; University of Massachusetts Lowell; Thailand Ministry of Public Health; Università degli Studi di Brescia; Florida International University; Mahidol University; Chiang Mai University; Center of Excellence on Environmental Health and Toxicologyaimed to evaluate the association between organophosphate exposure and insulin resistance in pesticide sprayers and nonfarmworkers. Participants aged 40–60 years, consisting of 150 pesticide sprayers and 150 nonfarmworkers, were interviewed and assessed... in either group except for diethylthiophosphate (DETP; p = 0.03), which was higher in sprayers. No significant association was observed between DAP metabolite levels and HOMA-IR. Wearing a mask while handling pesticides was associated with lower dimethylPublication Metadata only Pesticide aptasensors—state of the art and perspectives(2020-12-01) Kamonrat Phopin; Tanawut Tantimongcolwat; Mahidol University© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Contamination by pesticides in the food chain and the environment is a worldwide problem that needs to be actively monitored to ensure safety. Unfortunately, standard pesticide analysis based... on mass spectrometry takes a lot of time, money and effort. Thus, simple, reliable, cost-effective and field applicable methods for pesticide detection have been actively developed. One of the most promising technologies is an aptamer-based biosensor or soPublication Open Access Paper-based Acetylcholinesterase Inhibition Assay Combining a Wet System for Organophosphate and Carbamate Pesticides Detection(2015-02-26) Amara Apilux; Chartchalerm Isarankura-Na-Ayudhya; Virapong Prachayasittikul; Tanawut Tantimongcolwat; Center for Innovation Development and Technology Transfer; Department of Clinical Microbiology and Applied TechnologyA dramatic increase in pesticide usage in agriculture highlights the need for on-site monitoring for public health and safety. Here, a paper-based sensor combined with a wet system was developed for the simple and rapid screening... of organophosphate (OP) and carbamate (CM) pesticides based on the inhibition of acetylcholinesterase (AChE). The paper-based sensor was designed as a foldable device consisting of a cover and detection sheets pre-prepared with indoxyl acetate and AChEPublication Metadata only การศึกษาพฤติกรรมการใช้สารเคมีป้องกันและกำจัดศัตรูพืชของเกษตรกรที่ทำนาข้าวในพื้นที่ลุ่มน้ำท่าจีน (จังหวัดชัยนาทและจังหวัดสุพรรณบุรี)(2551) สยาม อรุณศรีมรกต; สุริยพงศ์ วัฒนศักดิ์; วรพร สังเนตร; Sayam Aroonsrimorakot; Suriyapong Wattanasak; มหาวิทยาลัยมหิดล. คณะสิ่งแวดล้อมและทรัพยากรศาสตร์ .The research is to reveal the farmers’ behavior in applying chemical pesticides in rice field of Tha Chin River Basin in Chainat and Suphanburi Provinces. The survey has been exercised by questionnaires. Based on the sampling of 400 farmers... pesticides practice with low and fair, most of informants have never been participated in any training on chemical pesticides application. Fertilizer formulas utilization were 46-0-0, 16-20-0, 20-0-0, 13-13-21 and 18-45-0. Chemical pesticides mostly applied