SC-CO2 extraction of Vitex agnus-castus L. fruits: The influence of pressure, temperature and water presoaking on the yield and GC-MS profiles of the extracts in comparison to the essential oil composition

被引：15
作者：
Jokic, Stela [1 ]
Jerkovic, Igor [2 ]
Rajic, Marina [3 ]
Aladic, Krunoslav [4 ]
Bilic, Mate [1 ]
Vidovic, Senka [5 ]
机构：
[1] Josip Juraj Strossmayer Univ Osijek, Fac Food Technol, Dept Proc Engn, Franje Kuhaca 18, HR-18000 Osijek, Croatia
[2] Univ Split, Fac Chem & Technol, Dept Organ Chem, Rudera Boskov 35, HR-21000 Split, Croatia
[3] Vextra Doo, Dr Ante Starcev 38, BH-88000 Mostar, Bosnia & Herceg
[4] Vet Inst Vinkovci, Croatian Vet Inst, Branch, Josipa Kozarca 24, HR-32100 Vinkovci, Croatia
[5] Fac Technol, Bulevar Cara Lazara 1, Novi Sad 21000, Serbia
来源：
JOURNAL OF SUPERCRITICAL FLUIDS | 2017年 / 123卷
关键词：
Vitex agnus-castus L; Supercritical CO2 extraction; Response surface methodology; Essential oil; GC MS profiles; SUPERCRITICAL CO2 EXTRACTION; ANTIOXIDANT ACTIVITY; OPTIMIZATION; LEAVES; PLANT;
D O I：
10.1016/j.supflu.2016.12.007
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The objectives were trifold: 1) to investigate the impact of pressure, temperature and water presoaking on SC-CO2 extraction of Vitex agnus-castus L. fruits with respect to the yield and GC-MS profiles of the extracts; 2) to find optimal extraction conditions by response surface methodology (RSM); 3) to compare GC-MS profiles of the extracts and essential oil. SC-CO2 extraction was performed at different pressures (8.4-36.6 MPa) and temperatures (35.8-64.1 degrees C) determined by central composite rotatable design. The essential oil was obtained by hydrodistillation. The extracts and oil were analyzed by GC-MS. Applied extraction conditions and water presoaking affected the yield remarkably (1.13-9.75%). GC-MS profiles of SC-CO2 extracts mainly contained trans-P-farnesene (15.6%-23.4%), trans-caryophyllene (13.6%-18.6%), a-terpinyl acetate (7.6%-13.5%) and 1,8-cineole (2.6%-12.2%). Striking differences were found among the oil and SC-CO2 extracts GC-MS profiles, while several differences were found in water pre-soaking fruits extract. (C) 2016 Elsevier B.V. All rights reserved.
引用
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页码：50 / 57
页数：8
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