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Application of response surface methodology to optimize solid-phase microextraction procedure for chromatographic determination of aroma-active monoterpenes in berries
Abstract
Most of scientific papers concern the qualitative or semi-quantitative analysis of aroma-active terpenes in liquid food matrices. Therefore, the procedure based on solid-phase microextraction and comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry for determination of monoterpenes in fresh berries was developed. The optimal extraction conditions using divinylbenzene-carboxen-polydimethylsiloxane fiber were as follows: temperature of 50 °C, extraction time of 26 min, equilibrium time of 29 min. The developed procedure provides a high recovery (70.8-99.2%), good repeatability (CV<10.4%), high linearity (r>0.9915) and offers practical advantages over currently used methods: reliability of compounds identification, simplicity of extraction and at least one order of magnitude lower detection limits (0.10-0.011 μg/L). The method was successfully applied to determine monoterpenes in 27 berry samples of different varieties and 4 berry products. Tukey’s test revealed that monoterpenes content is a reliable indicator of fruit maturity and origin. It suggests that the method may be of interest to researchers and food industry.
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
FOOD CHEMISTRY
no. 221,
pages 1041 - 1056,
ISSN: 0308-8146 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Chmiel T., Kupska M., Wardencki W., Namieśnik J.: Application of response surface methodology to optimize solid-phase microextraction procedure for chromatographic determination of aroma-active monoterpenes in berries// FOOD CHEMISTRY. -Vol. 221, (2017), s.1041-1056
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.foodchem.2016.11.057
- Verified by:
- Gdańsk University of Technology
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