Issue 7, 2016

Determination of volatile compounds in rose-water and fruit juices using indirectly suspended droplet microextraction of water-miscible organic solvents by the salting-out effect

Abstract

In this work, extraction of volatile compounds (α-pinene, limonene, linalool, borneol, 2-phenylethanol, thymol and decanoic acid) in rose-water and fruit juices was followed using indirectly suspended droplet microextraction (ISDME). The ISDME is a combination of salting-out extraction of water-miscible organic solvents and directly suspended droplet microextraction (DSDME). A water-miscible organic solvent (2-propanol) was added to the sample solution. A homogeneous solution was formed immediately. A steady vortex was formed by agitation of the solution using a magnetic stirrer. By the addition of ammonium sulfate (saturated solution) to the homogeneous solution, 2-propanol was separated and collected at the bottom of the steady vortex. The effects of important parameters such as water-miscible organic solvents (type and volume), type of salt and extraction time were evaluated. Under optimized experimental conditions, the calibration graphs were linear in the range of 0.05–50.0 mg L−1 with a coefficient of determination of more than 0.9992. Limits of detection and quantification values were in the range of 19–23 μg L−1 and 63–77 μg L−1, respectively.

Graphical abstract: Determination of volatile compounds in rose-water and fruit juices using indirectly suspended droplet microextraction of water-miscible organic solvents by the salting-out effect

Article information

Article type
Paper
Submitted
19 Sep 2015
Accepted
12 Jan 2016
First published
13 Jan 2016

Anal. Methods, 2016,8, 1489-1495

Determination of volatile compounds in rose-water and fruit juices using indirectly suspended droplet microextraction of water-miscible organic solvents by the salting-out effect

S. Babaee and A. Daneshfar, Anal. Methods, 2016, 8, 1489 DOI: 10.1039/C5AY02503F

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