{"title":"A study of the thermochemical properties of the major sesquiterpenes in German chamomile and cypriol oil by correlation gas chromatography","authors":"Patamaporn Umnahanant, James Chickos","doi":"10.1007/s10973-024-13593-8","DOIUrl":null,"url":null,"abstract":"<div><p>The vaporization enthalpies at <i>T</i> = 298.15 K and vapor pressures from <i>T</i> = (298.15 − 450) K of the major hydrocarbon components in chamomile and cypriol are evaluated by correlation gas chromatography. The components in chamomile include the following four substances: (<i>E, E</i>) α-farnesene, <i>E β</i>-farnesene, bicyclogermacrene and germacrene-D. In cypriol, similar properties have been evaluated for cyperene, α-copaene, and rotundene. Both chamomile and cypriol have been used in the practice of traditional medicine.</p></div>","PeriodicalId":678,"journal":{"name":"Journal of Thermal Analysis and Calorimetry","volume":"149 24","pages":"14851 - 14864"},"PeriodicalIF":3.0000,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Thermal Analysis and Calorimetry","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s10973-024-13593-8","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, ANALYTICAL","Score":null,"Total":0}
引用次数: 0
Abstract
The vaporization enthalpies at T = 298.15 K and vapor pressures from T = (298.15 − 450) K of the major hydrocarbon components in chamomile and cypriol are evaluated by correlation gas chromatography. The components in chamomile include the following four substances: (E, E) α-farnesene, E β-farnesene, bicyclogermacrene and germacrene-D. In cypriol, similar properties have been evaluated for cyperene, α-copaene, and rotundene. Both chamomile and cypriol have been used in the practice of traditional medicine.
期刊介绍：
Journal of Thermal Analysis and Calorimetry is a fully peer reviewed journal publishing high quality papers covering all aspects of thermal analysis, calorimetry, and experimental thermodynamics. The journal publishes regular and special issues in twelve issues every year. The following types of papers are published: Original Research Papers, Short Communications, Reviews, Modern Instruments, Events and Book reviews.
The subjects covered are: thermogravimetry, derivative thermogravimetry, differential thermal analysis, thermodilatometry, differential scanning calorimetry of all types, non-scanning calorimetry of all types, thermometry, evolved gas analysis, thermomechanical analysis, emanation thermal analysis, thermal conductivity, multiple techniques, and miscellaneous thermal methods (including the combination of the thermal method with various instrumental techniques), theory and instrumentation for thermal analysis and calorimetry.
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