{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,24]],"date-time":"2025-10-24T21:08:57Z","timestamp":1761340137971,"version":"build-2065373602"},"reference-count":20,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2020,12,13]],"date-time":"2020-12-13T00:00:00Z","timestamp":1607817600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002873","name":"Chulalongkorn University","doi-asserted-by":"publisher","award":["DNS_62_025_23_003_1"],"award-info":[{"award-number":["DNS_62_025_23_003_1"]}],"id":[{"id":"10.13039\/501100002873","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Separation Science"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this study, thin\u2010layer chromatography was applied for selective extraction of volatile compounds in perfume prior to analysis with solid phase microextraction and gas chromatography\u2014mass spectrometry. The standard compounds were desorbed from the thin\u2010layer chromatography plate and extracted at 80\u00b0C for 15\u00a0min showing good linearity of the calibration curves (<jats:italic>R<\/jats:italic><jats:sup>2\u00a0<\/jats:sup>&gt;\u00a00.98) and acceptable recovery range (65\u201381%). The plate after the separation was cut into four smaller parts followed by solid phase microextraction\/gas chromatography\u2014mass spectrometry analysis, which revealed different compound profile in each part with the correlation between log <jats:italic>P<\/jats:italic> of the standard compounds and their positions along the thin\u2010layer chromatography plate (<jats:italic>R<\/jats:italic><jats:sup>2\u00a0<\/jats:sup>=\u00a00.65). This approach was applied to analyze perfume compounds in the sample with strong matrix interference from the synthetic agarwood. Terpene hydrocarbons (woody\u2010based odors), ketones\/esters, aldehydes, ethers, and alcohols were mostly observed at 8\u00a0\u00b1\u00a01, 6\u00a0\u00b1\u00a01, 5\u00a0\u00b1\u00a02, 4\u00a0\u00b1\u00a02, and 3\u00a0\u00b1\u00a02\u00a0cm, respectively, from the bottom of the thin\u2010layer chromatography plate. While, the conventional solid phase microextraction\/gas chromatography\u2014mass spectrometry analysis of this sample solution revealed only 62 compounds (including 35 perfume compounds), the four\u2010piece approach resulted in 109 compounds (62 perfume compounds). Furthermore, the capability of thin\u2010layer chromatography\u2010Gas Analyzer approach to analyze the isomers in this complex sample was demonstrated.<\/jats:p>","DOI":"10.1002\/jssc.202000917","type":"journal-article","created":{"date-parts":[[2020,11,16]],"date-time":"2020-11-16T19:51:01Z","timestamp":1605556261000},"page":"666-675","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Thin layer chromatography based extraction approaches for improved analysis of volatile compounds with gas chromatography\u2013mass spectrometry and direct analysis with gas analyzer"],"prefix":"10.1002","volume":"44","author":[{"given":"Nattapat","family":"Suchatanugal","sequence":"first","affiliation":[{"name":"Department of Chemistry Faculty of Science Chulalongkorn University  Bangkok 10330 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