Development of a Green Alternative Procedure for the Simultaneous Separation and Quantification of Clove Oil and Its Major Bioactive Constituents

doi:10.1021/acssuschemeng.6b01263

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標題:	Development of a Green Alternative Procedure for the Simultaneous Separation and Quantification of Clove Oil and Its Major Bioactive Constituents
作者:	Wei, Ming-Chi Lin, Pei-Hui Hong, Show-Jen Chen, Jin-Ming Yang, Yu-Chiao
貢獻者:	Chia Nan Univ Pharm & Sci, Dept Appl Geoinformat Ohio State Univ, Wexner Med Ctr, Davis Heart & Lung Res Inst, Dept Surg Kaohsiung Med Univ, Dept & Grad Inst Pharmacol
關鍵字:	Clove oil Eugenyl acetate Eugenol beta-Catyophyllene alpha-Humulene Ultrasound -assisted supercritical CO2 extraction Solubility quantitation
日期:	2016-12
上傳時間:	2018-01-18 11:39:04 (UTC+8)
出版者:	Amer Chemical Soc
摘要:	Clove buds are a good source of oil, which can be used as a food flavor and traditional Chinese medicine. To isolate clove oil and its major bioactive constituents, a green alternative procedure employing ultrasound-assisted supercritical carbon dioxide (USC-CO2) extraction combined with gas chromatography/mass spectrometry was developed, and its performance was compared to those of conventional processes. The green USC-CO2 process saves time, solvent, energy, and raw materials without chemical waste while achieving superior yields of clove oil and major bioactive constituents. The solubility of clove oil and fictitious solubility of eugenol in SC-CO2 have been predicted for the first time at various temperatures (32-50 degrees C) and pressures (9.0-28.5 MPa). Furthermore, solubility data correlated well with three density based models (Chrastil, Kumar-Johnston, and Bartle), and the overall average absolute relative deviations (AARD%) were 0.22, 0.92, and 4.91%, respectively. Using correlation results, we approximated the enthalpies for clove oil. The total heat of solution, heat of solvation, and heat of vaporization for clove oil were 9.83, 19.03, and -9.69 kJ/mol, respectively.
關聯:	Acs Sustainable Chemistry & Engineering, v.4 n.12, pp.6491-6499
显示于类别:	[應用空間資訊系(所)] 期刊論文

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