Food Hygiene and Safety Science最新文献

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[Development of a PCR Method to Detect a Mysid Species Causing False Positives in Tests for Crustacean Allergens]. [开发一种 PCR 方法,用于检测在甲壳类过敏原检测中造成假阳性的贻贝物种]。
IF 0.2 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2024-01-01 DOI: 10.3358/shokueishi.65.48
Yohei Sugano, Keiji Aotuka, Aoi Hosokawa, Tomohiro Suzuki
{"title":"[Development of a PCR Method to Detect a Mysid Species Causing False Positives in Tests for Crustacean Allergens].","authors":"Yohei Sugano, Keiji Aotuka, Aoi Hosokawa, Tomohiro Suzuki","doi":"10.3358/shokueishi.65.48","DOIUrl":"https://doi.org/10.3358/shokueishi.65.48","url":null,"abstract":"<p><p>Mysids are small crustaceans that are closely related to shrimp/prawns and crabs but not subject to food allergen labeling requirements for raw materials. In the past, a processed food that contained Japanese smelt (wakasagi) was suspected of producing a false-positive result in shrimp/prawn and crab allergen test because of the presence of consumed mysids. However, there was no reported methods to confirm mysid presence. Therefore, we developed a PCR method to detect mysids. The developed PCR method had high specificity for a mysid species, with no amplification observed from samples of shrimp, crab, krill, mantis shrimp, or the meat of Japanese smelt. In addition, DNA extracted from the internal organs of Japanese smelt was amplified by this PCR method, and sequencing revealed mysid DNA. This confirmed that mysids remained in the internal organs of Japanese smelt following consumption. This PCR method for mysid detection even amplified Japanese smelt-containing processed food samples that were suspected to have produced a false-positive result in shrimp/prawn and crab ELISA. Thus, this PCR method would enable to detect such false positives are caused by mysid contamination.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"65 3","pages":"48-52"},"PeriodicalIF":0.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141735671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Improved Indophenol Titration Method for Ascorbic Acid Using a Dropper and Electronic Balance: Enhanced Convenience and Efficiency]. [使用滴管和电子天平的改进型抗坏血酸靛酚滴定法:提高便利性和效率]。
IF 0.2 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2024-01-01 DOI: 10.3358/shokueishi.65.1
Keizo Umegaki, Mika Ito, Kaori Yokotani, Shizuo Yamada
{"title":"[Improved Indophenol Titration Method for Ascorbic Acid Using a Dropper and Electronic Balance: Enhanced Convenience and Efficiency].","authors":"Keizo Umegaki, Mika Ito, Kaori Yokotani, Shizuo Yamada","doi":"10.3358/shokueishi.65.1","DOIUrl":"10.3358/shokueishi.65.1","url":null,"abstract":"<p><p>The analysis of ascorbic acid using the 2,6-dichloroindophenol (DCIP) titration method is a well-established technique, but requires the skilled handling of a burette for accurate measurements. In the present study, we propose a modified DCIP titrimetric method that replaces the burette with a dropper and employs an electronic balance to measure the titrated amount by weight. The dropper used can be flexibly selected, allowing for a wide range of drop sizes, from large to very small. This modification offers several advantages, including lower skill requirements, a 43% reduction in the analysis time, a 50% decrease in sample/reagent consumption, and the ability to prepare DCIP standard solutions tailored to the concentration of ascorbic acid in the sample being analyzed. Our analysis of several food samples using this improved method showed that inherent issues of the DCIP method, such as determining the titration end point, could not be resolved. Nevertheless, the improved titration method remains more convenient and adaptable than the original approach using a burette, enabling quick and accurate analysis, especially for unskilled analysts.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"65 1","pages":"1-6"},"PeriodicalIF":0.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140023333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Elucidation of Coloring Molecule Using a Simple Identification Method with a Color Reaction for Omphalotus japonicus]. 用一种简单的显色反应方法鉴定日本红花的显色分子。
IF 0.2 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2024-01-01 DOI: 10.3358/shokueishi.65.137
Hideyuki Shinohara, Ryuma Okawara, Ryota Akatsuka, Masahiro Sato, Yuka Nagaoka
{"title":"[Elucidation of Coloring Molecule Using a Simple Identification Method with a Color Reaction for Omphalotus japonicus].","authors":"Hideyuki Shinohara, Ryuma Okawara, Ryota Akatsuka, Masahiro Sato, Yuka Nagaoka","doi":"10.3358/shokueishi.65.137","DOIUrl":"10.3358/shokueishi.65.137","url":null,"abstract":"<p><p>For Omphalotus japonicus, the coloring molecule was found and characterized using a simple method of identification with a color reaction. The compound that chang color under basic conditions was isolated from a methanolic extract of O. japonicus by liquid-liquid extraction. That compound was identified as thelephoric acid by various spectrum analyses. Color reaction by a beam reagent (5 w/v% potassium hydroxide ethanolic solution) and UV-Vis absorption of an ethanolic solution of thelephoric acid coincided with those of an ethanolic extract of O. japonicus. We conducted LC-MS/MS analyses of all four mushroom species (O. japonicus, Sarcomyxa serotina, Pleurotus ostreatus, and Lentinula edodes). Results demonstrated that thelephoric acid was detected only in O. japonicus. These findings indicate thelephoric acid as a coloring molecule for the identification method described above. This method is useful for distinguishing O. japonicus among other edible mushrooms having similar appearance.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"65 6","pages":"137-141"},"PeriodicalIF":0.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143016565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Quantification of Clitidine in Paralepistopsis acromelalga Using Quantitative NMR Method]. [利用定量核磁共振法对 Paralepistopsis acromelalga 中的氯替丁进行定量]。
IF 0.2 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2024-01-01 DOI: 10.3358/shokueishi.65.84
Yoshitaka Ishida, Yuka Nagaoka
{"title":"[Quantification of Clitidine in Paralepistopsis acromelalga Using Quantitative NMR Method].","authors":"Yoshitaka Ishida, Yuka Nagaoka","doi":"10.3358/shokueishi.65.84","DOIUrl":"https://doi.org/10.3358/shokueishi.65.84","url":null,"abstract":"<p><p>Because one toxic component of Paralepistopsis acromelalga, clitidine, is not commercially available as a reagent and because standards are difficult to obtain, a quantitative NMR method that requires no standard was investigated for this study. To compare the quantitative values obtained using the two methods, the absolute purity of the standard used for the LC-MS/MS method was calculated using quantitative NMR. The result was calculated as 89.8±1.5%: more than 10% lower than the result obtained using conventional HPLC purity. This finding is presumably attributable to the presence of water in the crystals. Calculating the absolute purity of the product before use is crucially important. The values of the Paralepistopsis acromelalga fruit extract were quantified and compared using conventional LC-MS/MS and quantitative NMR. The quantitative values did not differ significantly, suggesting that, in most cases, they were within a 5% margin of error. Furthermore, quantitative NMR provides several benefits not obtained using conventional methods, including its rapid measurement capability and its obviation of the need for a reference material for the measured substance. By virtue of these benefits, quantitative NMR is an extremely useful tool for natural toxin analysis where sudden outbreaks occur and for which rapid calculation of results is necessary.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"65 4","pages":"84-88"},"PeriodicalIF":0.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142512992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Simultaneous Analysis of Paralepistopsis acromelalga Applied to Cooked and Processed Foods]. [熟食品和加工食品中肢端藻的同时分析]。
IF 0.3 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2023-01-01 DOI: 10.3358/shokueishi.64.89
Yoshitaka Ishida, Hitoshi Ouchi, Toshiyuki Kan, Yuka Nagaoka
{"title":"[Simultaneous Analysis of Paralepistopsis acromelalga Applied to Cooked and Processed Foods].","authors":"Yoshitaka Ishida,&nbsp;Hitoshi Ouchi,&nbsp;Toshiyuki Kan,&nbsp;Yuka Nagaoka","doi":"10.3358/shokueishi.64.89","DOIUrl":"https://doi.org/10.3358/shokueishi.64.89","url":null,"abstract":"<p><p>The applicability of a method for simultaneous analysis of Acromelic acids A, B, and Clitidine, which are venomous constituents of Paralepistopsis acromelalga, was assessed for three simulations: tempura, chikuzenni, and soy sauce soup. All components were detectable for all cooking methods. No interfering peak affecting the analysis was observed. The findings indicate that samples of leftover cooked products can be used to ascertain causes of food poisoning by Paralepistopsis acromelalga. Additionally, results showed that most of the toxic components were eluted into the soup broth. This property is useful for rapid screening for Paralepistopsis acromelalga in edible mushrooms.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"64 2","pages":"89-93"},"PeriodicalIF":0.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9503177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Suitability of Culture Broth and Conditions for Escherichia coli Growth and Gas Production as a Test for Food Additives in EC Broth]. [大肠杆菌生长和产气的培养肉汤和条件的适宜性作为 EC 肉汤中食品添加剂的试验]。
IF 0.2 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2023-01-01 DOI: 10.3358/shokueishi.64.69
Shouhei Hirose, Maiko Watanabe, Atsuko Tada, Naoki Sugimoto, Kyoko Sato, Yukiko Hara-Kudo
{"title":"[Suitability of Culture Broth and Conditions for Escherichia coli Growth and Gas Production as a Test for Food Additives in EC Broth].","authors":"Shouhei Hirose, Maiko Watanabe, Atsuko Tada, Naoki Sugimoto, Kyoko Sato, Yukiko Hara-Kudo","doi":"10.3358/shokueishi.64.69","DOIUrl":"10.3358/shokueishi.64.69","url":null,"abstract":"<p><p>The growth and gas production test for Escherichia coli in the microbiological examination of food additives is stipulated in the ninth edition of Japan's Specifications and Standards for Food Additives (JSFA) and described as a part of the \"Confirmation Test for Escherichia coli\" in \"Microbial Limit Tests\" in the same manuscript. The growth and gas production test for E. coli indicated that the positive or negative of \"gas production and/or turbidity\" in EC broth should be confirmed after incubating at 45.5±0.2℃ for 24±2 h. If both gas production and turbidity are negative, the culture is additionally incubated up to 48±2 h to determine E. coli contamination. The internationally referenced Bacteriological Analytical Manual of the U.S. FDA had revised the incubation temperature in tests for coliforms and E. coli from 45.5±0.2℃ to 44.5±0.2℃ in 2017. Therefore, we conducted research in anticipation of this temperature change being reflected in the microbiological examination of the JSFA. We used seven EC broth products and six food additives across eight products that are available in Japan in order to compare the growth and gas production at temperatures of 45.5±0.2℃ and 44.5±0.2℃ of E. coli NBRC 3972, which is designated as the test strain in JSFA. Both with/without food additives, the number of EC broth products in which medium turbidity and gas production by the strain were positive in three out of three tubes at all test times was greater at 44.5±0.2℃ than at 45.5±0.2℃. These results suggest that the growth and gas production test for E. coli could be more appropriately conducted by incubation at 44.5±0.2℃ in the \"Confirmation Test for Escherichia coli\" for E. coli in the JSFA in comparison to 45.5±0.2℃. Furthermore, there were differences in the growth and gas production of E. coli NBRC 3972 depending on the EC broth product used. Therefore, the importance of \"Media growth promotion test\" and \"Method suitability test\" in the ninth edition of the JSFA should be emphasized.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"64 2","pages":"69-77"},"PeriodicalIF":0.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9503179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Estimation of the Distribution of Dietary Exposure to Lead Using Two-Dimensional Monte Carlo Simulation: An Attempt to Apply to Total Diet Samples]. [利用二维蒙特卡罗模拟估计饮食中铅暴露的分布:试图应用于总饮食样本]。
IF 0.3 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2023-01-01 DOI: 10.3358/shokueishi.64.1
Yoshinari Suzuki, Midori Kondo, Ikuko Kitayama, Hiroshi Akiyama, Tomoaki Tsutsumi
{"title":"[Estimation of the Distribution of Dietary Exposure to Lead Using Two-Dimensional Monte Carlo Simulation: An Attempt to Apply to Total Diet Samples].","authors":"Yoshinari Suzuki,&nbsp;Midori Kondo,&nbsp;Ikuko Kitayama,&nbsp;Hiroshi Akiyama,&nbsp;Tomoaki Tsutsumi","doi":"10.3358/shokueishi.64.1","DOIUrl":"https://doi.org/10.3358/shokueishi.64.1","url":null,"abstract":"<p><p>The average dietary exposure to lead (Pb) in male and female Japanese individuals >1 year of age was estimated using 280 total diet samples representing 14 food groups from 10 areas over a two-year period. A probabilistic exposure estimation was performed using a two-dimensional Monte Carlo simulation (2D-MCS) with a Bayesian estimation that consided the uncertainty of the estimation process. The Bayesian estimation was performed using the likelihood function with cumulative distribution function between the lower and upper boundary values for no-detected values. The median dietary exposure to Pb was estimated as 5.82 μg/person/day. The 90% interval was 2.51-16.9 μg/person/day. Comparison with previously reported Pb exposure values indicates that the estimation of Pb exposure distribution using total diet samples is reasonable. The contribution to Pb exposure was highest in the order of food group 8 (light-colored vegetables, mushrooms, and seaweeds: 20.0±16.1%)>food group 1 (rice and rice products: 12.3±19.0%)>food group 10 (fish and shellfish: 10.5±13.9%). Owing to the high uncertainties of contribution ratios, it was not possible to identify dominant food groups contributing to Pb exposure. However, it was evident that the uncertainty of the estimation of Pb exposure was influenced by the uncertainty of Pb concentration than the uncertainty of food consumption rate. In particular, the effect of uncertainty from the Pb concentration of the food group 1 was 68.2%. When the margin of exposures were calculated, the estimated probabilities that a value would be <1 were 14.5% for developmental neurotoxicity to children (1-6 years old), 0.13% for blood pressure and 0.93% for kidney disease in Japanese individuals ≥1 year of age. The findings suggest that the health risk due to dietary Pb exposure is small but not negligible.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"64 1","pages":"1-12"},"PeriodicalIF":0.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10823509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Plasticizers Used in Polyvinyl Chloride Toys (2019-2020)]. [聚氯乙烯玩具中使用的增塑剂(2019-2020)]。
IF 0.3 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2023-01-01 DOI: 10.3358/shokueishi.64.145
Yutaka Abe, Miku Yamaguchi, Yohei Kataoka, Motoh Mutsuga, Kyoko Sato, Naoki Sugimoto
{"title":"[Plasticizers Used in Polyvinyl Chloride Toys (2019-2020)].","authors":"Yutaka Abe,&nbsp;Miku Yamaguchi,&nbsp;Yohei Kataoka,&nbsp;Motoh Mutsuga,&nbsp;Kyoko Sato,&nbsp;Naoki Sugimoto","doi":"10.3358/shokueishi.64.145","DOIUrl":"https://doi.org/10.3358/shokueishi.64.145","url":null,"abstract":"<p><p>We determined the fifteen types of plasticizers, including four kinds of phthalic acid esters (PAEs) used in 220 polyvinyl chloride (PVC) toys on Japanese market from 2019 to 2020. Three kinds of previously undetected types of PAEs were also detected, but not identified in this study. Di (2-ethylhexyl) terephthalate (DEHTP) was the highest detection rate in 209 soft PVC toys out of 220 toys, with 71.2% for designated toys and 88.9% for not-designated toys, respectively, showing a gradual increase from the previous reports in 2009 and 2014. On the other hand, the usages of o-acetyl tributyl citrate and adipic acid esters decreased, but the six types of PAEs prohibited to use for the designated toys in Japan were not detected in them, the usage of diisobutyl phthalate were increased. In contrast, four types of PAEs were detected in not-designated toys. Among them, the detection ratio of di (2-ethyhexyl) phthalate decreased to about 1/10. The content levels of plasticizers in per each sample were continued to keep low level from the report five years ago. These results showed that the main plasticizer used in PVC toys is DEHTP, and that the usage of other plasticizers was decreased.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"64 4","pages":"145-153"},"PeriodicalIF":0.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10180846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Perception of Public Health Nurses on Health Foods and Utilization of Health Food Informationduring Specific Health Guidance]. 【公共卫生护士对保健食品的认知与专项健康指导中保健食品信息的利用】。
IF 0.3 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2023-01-01 DOI: 10.3358/shokueishi.64.167
Daisuke Furushima, Miku Tateyama, Tsuyoshi Chiba, Shoko Ishikawa, Asami Sonobata, Miki Hagihara, Mai Matsutani, Serika Toyokura
{"title":"[Perception of Public Health Nurses on Health Foods and Utilization of Health Food Informationduring Specific Health Guidance].","authors":"Daisuke Furushima,&nbsp;Miku Tateyama,&nbsp;Tsuyoshi Chiba,&nbsp;Shoko Ishikawa,&nbsp;Asami Sonobata,&nbsp;Miki Hagihara,&nbsp;Mai Matsutani,&nbsp;Serika Toyokura","doi":"10.3358/shokueishi.64.167","DOIUrl":"10.3358/shokueishi.64.167","url":null,"abstract":"<p><p>This study aimed to investigate the awareness of public health nurses (PHNs) regarding health foods and the actual utilization of health food-related information in specific health guidance. A questionnaire survey among PHNs working in municipalities in Kagoshima Prefecture (n=170, response rate; 41.5%) was conducted in September 2022. As a result, 39.4% of the PHNs had experience using health foods, and 43.5% consulted about health food from local residents. Major topics of consultation included effectiveness (78.4%) and drug interactions (35.1%). Approximately 10.2% of the PHNs always confirm the use of health food during specific health guidance, while 41.6% did not ever check. Additionally, 36.3% of the PHN were aware of the obligation to report adverse events caused by health foods to the prefectural governments and Ministry of Health, Labor, and Welfare. The present study showed that recognition and intelligibility on health foods varied among PHNs. Therefore, knowledge acquisition on safety and efficacy is needed for proper use of health foods.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"64 5","pages":"167-173"},"PeriodicalIF":0.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50163709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Color Reaction Identification of Omphalotus guepiniformis Causing Food Poisoning]. [引起食物中毒的 Omphalotus guepiniformis 的颜色反应鉴定]。
IF 0.3 4区 农林科学
Food Hygiene and Safety Science Pub Date : 2023-01-01 DOI: 10.3358/shokueishi.64.232
Hideyuki Shinohara, Ryuma Okawara, Ikuko Ito, Yoshitaka Ishida, Kosuke Ota, Yuka Nagaoka
{"title":"[Color Reaction Identification of Omphalotus guepiniformis Causing Food Poisoning].","authors":"Hideyuki Shinohara, Ryuma Okawara, Ikuko Ito, Yoshitaka Ishida, Kosuke Ota, Yuka Nagaoka","doi":"10.3358/shokueishi.64.232","DOIUrl":"10.3358/shokueishi.64.232","url":null,"abstract":"<p><p>Simple identification using a color reaction was applied to investigate poisoning, putatively caused by Omphalotus guepiniformis. Some leftover uncooked mushrooms had turned turquoise green when a beam reagent (5 w/v% potassium hydroxide ethanolic solution) was dripped onto the mushroom pileus. Furthermore, ethanol extract of the mushrooms exhibited the same color reaction. Then, illudin S, a toxic compound contained in O. guepiniformis, was detected in uncooked leftover mushrooms using LC-MS/MS analysis. Therefore, this case was inferred as caused by O. guepiniformis. These results indicate the identification method described above as useful for screening tests for investigating food poisoning caused by O. guepiniformis.</p>","PeriodicalId":54373,"journal":{"name":"Food Hygiene and Safety Science","volume":"64 6","pages":"232-235"},"PeriodicalIF":0.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139089373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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