{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,26]],"date-time":"2026-07-26T07:01:20Z","timestamp":1785049280407,"version":"3.55.0"},"reference-count":40,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T00:00:00Z","timestamp":1784937600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T00:00:00Z","timestamp":1784937600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100007831","name":"University of Tabriz","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007831","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Sci Food Agric"],"abstract":"Abstract<\/jats:title>\n \n BACKGROUND<\/jats:title>\n In this study, an efficient sample preparation method was developed for the extraction and preconcentration of selected polycyclic aromatic hydrocarbons from smoke\u2010infused milled rice samples, using a homogeneous liquid\u2013liquid microextraction technique. In a conical\u2010bottom glass test tube, a standard solution of the target analytes was added, followed by a few microliters of 1,2\u2010dibromoethane and toluene. The mixture was vortexed to form a homogeneous solution. Subsequently, sorbitol was introduced and the mixture was vortexed again, leading to phase separation. After centrifuging, the organic phase containing the extracted analytes was collected at the bottom of the tube. An aliquot of the organic phase was then injected into a gas chromatograph equipped with a flame ionization detector.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n \n The method exhibited excellent analytical performance, with low detection limits (0.19\u20130.59\u2009\u03bcg\u2009L\n \u22121<\/jats:sup>\n ), high enrichment factors (1358\u20132232), and good linearity (\n r<\/jats:italic>\n 2<\/jats:sup>\n \u2009=\u20090.9907\u20130.9988) of the calibration curves. Relative standard deviations were \u226415% for intra\u2010day and inter\u2010day precisions obtained at concentrations of 10, 25, and 100\u2009\u03bcg\u2009L\n \u22121<\/jats:sup>\n of each analyte.\n <\/jats:p>\n <\/jats:sec>\n \n CONCLUSION<\/jats:title>\n Phase homogeneity was disrupted using sorbitol for preconcentration of analytes. The aqueous solution of analytes was placed in a conical\u2010bottom test tube, and 1,2\u2010dibromoethane along with toluene were used to form a homogeneous phase. The method was simple, cost\u2010effective, and environmentally friendly, and suitable for monitoring analytes in smoke\u2010contaminated food matrices such as milled rice. \u00a9 2026 Society of Chemical Industry.<\/jats:p>\n <\/jats:sec>","DOI":"10.1002\/jsfa.70909","type":"journal-article","created":{"date-parts":[[2026,7,26]],"date-time":"2026-07-26T06:27:45Z","timestamp":1785047265000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Application of a high\u2010enrichment microextraction approach for the extraction of polycyclic aromatic hydrocarbons in smoke\u2010infused milled rice"],"prefix":"10.1002","author":[{"given":"Elaheh","family":"Zarei Shahrak","sequence":"first","affiliation":[{"name":"Department of Analytical Chemistry, Faculty of Chemistry University of Tabriz Tabriz 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and Green Chemistry Research Center Khazar University Azerbaijan"},{"name":"Pharmaceutical Analysis Research Center, Pharmaceutical Sciences Institute Tabriz University of Medical Sciences Tabriz Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,25]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"crossref","DOI":"10.3389\/fmicb.2020.562813","article-title":"Polycyclic aromatic hydrocarbons: sources, toxicity, and remediation approaches","volume":"11","author":"Patel AB","year":"2020","journal-title":"Front Microbiol"},{"key":"e_1_2_11_3_1","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1080\/10406638.2014.994071","article-title":"Overview of polycyclic aromatic compounds (PAC)","volume":"35","author":"Achten C","year":"2015","journal-title":"Polycyclic Aromat Compd"},{"key":"e_1_2_11_4_1","first-page":"1","article-title":"Polycyclic aromatic hydrocarbons (PAHs): environmental persistence and human 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