Multivariate optimisation of the microwave-assisted extraction of oleuropein and related biophenols from olive leaves

被引:86
作者
Japon-Lujan, R. [1 ]
Luque-Rodriguez, J. M. [1 ]
De Castro, M. D. Luque [1 ]
机构
[1] Univ Cordoba, Dept Analyt Chem, E-14071 Cordoba, Spain
关键词
microwave-assisted extraction; oleuropein; biophenols; polyphenols; OBPs; olive leaves;
D O I
10.1007/s00216-006-0419-0
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Microwave assistance is proposed for the first time in order to accelerate the extraction of biophenols from olive leaves. Under optimal working conditions, obtained using a multivariate methodology, complete extraction of the target analytes was achieved in 8 min. The extracts required no clean-up nor concentration prior to injection into a chromatograph-photodiode array detector assembly for individual separation-quantification. The optimal extractant (an 80:20 ethanol-water mixture) was also used in the development of a stirring-based extraction method which required around 24 h for complete extraction of the target compounds. These mixtures can be used as replacements for toxic extractants, with a view to exploiting olive leaves in order to obtain biophenols for human use.
引用
收藏
页码:753 / 759
页数:7
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