Influence of Accelerated Solvent Extraction and Ultrasound-Assisted Extraction on the Anthocyanin Profile of Different Vaccinium Species in the Context of Statistical Models for Authentication

Journal of Agricultural and Food Chemistry
Peter HeffelsAndreas Schieber

Abstract

Anthocyanins are frequently discussed as marker compounds for fruit product authenticity. Proper analysis including sample preparation for the determination of anthocyanin concentrations is crucial for the comparability of authenticity data. The present study determined the influence of accelerated solvent extraction (ASE) and ultrasound-assisted extraction (UAE), using two different solvent compositions on the anthocyanin profile of bilberries (Vaccinium myrtillus L.), lowbush blueberries (Vaccinium angustifolium Ait.), and American cranberries (Vaccinium macrocarpon Ait.). Besides differences in total anthocyanin concentrations in the extracts, significant deviations (p ≤ 0.05) in the individual anthocyanin concentration were observed, resulting in differing anthocyanin proportions. Linear discriminant analysis comparing the differences caused by the extraction method to the natural differences within a set of 26 bilberry and lowbush blueberry samples of different origins was conducted. It revealed that profile variations induced by the extraction methods are in a similar scale to profile variations as a result of geographic and climatic differences.

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Citations

Jul 28, 2017·Journal of Agricultural and Food Chemistry·Annika Behrends, Fabian Weber
Jun 16, 2018·Journal of Food Science·Zala ZorencMaja Mikulic-Petkovsek
Jan 30, 2019·Biotechnology and Applied Biochemistry·Abdalla Ali SalimZorica Knežević-Jugović
Jun 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Nicole Jasmin NemetzFabian Weber
Aug 3, 2021·Comprehensive Reviews in Food Science and Food Safety·Heikki M SaloHely Häggman

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