Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/32279
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    標題: Structural characteristics and decomposition analyses of four commercial essential oils by thermal approaches and GC/MS
    作者: Chen, Wei-Ting
    Chen, Wei-Chun
    Ma, Chih-Ming
    Laiwang, Bin
    Shen, Sun-Ju
    You, Mei-Li
    Shu, Chi-Min
    貢獻者: St Marys Jr Coll Med Nursing & Management, Dept Cosmet Applicat & Management
    Natl Yunlin Univ Sci & Technol YunTech, Ctr Proc Safety & Ind Disaster Prevent, Chief & Inspector Grp Firework & Fireworker
    Grad Sch Engn Sci & Technol
    Chia Nan Univ Pharm & Sci, Dept Appl Geoinformat
    Chien Kuo Technol Univ, Dept Gen Educ
    Dept Safety Hlth & Environm Engn
    關鍵字: Aromatherapy
    Aromatic compounds
    Essential oils
    Thermal stability
    Thermokinetic parameters
    日期: 2018-02
    上傳時間: 2019-11-15 15:47:56 (UTC+8)
    出版者: SPRINGER
    摘要: Aromatherapy is an alternative medicine vastly used to modify physical or psychological conditions. Aromatherapy uses a combination of plant materials, essential oils, and other aromatic compounds to alleviate stress. Numerous previous studies have investigated the effects of essential oils on the human body, but few studies on their thermal stability have been conducted. This study investigated the thermal risks associated with essential oils by using differential scanning calorimetry (DSC) with heating rates (beta) of 2.0, 4.0, 8.0, and 16.0 A degrees C min(-1), thermogravimetry (TG) with beta = 10.0, 15.0, 20.0, and 25.0 A degrees C min(-1), and Fourier transform infrared spectroscopy (FTIR). The oils' decomposition excursions, mass loss, and functional groups were identified through DSC, TG, and FTIR, respectively, and thermokinetic parameters, such as the heat of decomposition (Delta H (d)), apparent exothermic onset temperature (T (0)), and peak temperature (T (p)), also could be determined from DSC and TG tests. The results of this study serve as a reference on the decomposition excursion and thermokinetic parameters of essential oils and on their potential thermal hazard.
    link: http://dx.doi.org/10.1007/s10973-017-6594-8
    關聯: Environmental Monitoring and Assessment, v.131, n.2, pp.1709-1719
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