Supercritical Fluid Extraction and Chromatography of Lipids in Bilberry

被引：0

作者：

Jumaah, Firas ^{[1
]}

Sandahl, Margareta ^{[1
]}

Turner, Charlotta ^{[1
]}

机构：

[1] Department of Chemistry, Centre for Analysis and Synthesis, Lund University, P.O. Box 124, 22100, Sweden

来源：

JAOCS, Journal of the American Oil Chemists' Society | 2015年 / 92卷 / 08期

关键词：

Supercritical fluid extraction;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A supercritical fluid extraction (SFE) method has been developed for the extraction of lipids in bilberry. Experimental design was used to optimize pressure, temperature and extraction time using CO2 as solvent. Best SFE condition for total lipids was 450 bar, 60 °C and 45 min. The SFE method was compared to conventional Bligh & Dyer (B&D) extraction. The amount of fatty acid methyl esters (FAME) was found to be 4.84 ± 0.06 mg and 4.564 ± 0.003 mg per g of the freeze-dried bilberry sample for the developed SFE and B&D methods, respectively, while the amount of total lipids was found to be 54.40 ± 6.06 mg and 65.70 ± 0.67 mg per g of sample for SFE and B&D, respectively. This discrepancy between FAME and total lipids could be explained by the presence of wax esters, sterol esters, carotenoids and phospholipids, as determined by supercritical fluid chromatography. © 2015 The Author(s).

引用

页码：1103 / 1111

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