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. 2020 Dec 3;11:578346. doi: 10.3389/fphar.2020.578346

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Copyright © 2020 Houriet, Allard, Queiroz, Marcourt, Gaudry, Vallin, Li, Lin, Wang, Kuchta and Wolfender

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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UHPLC metabolite profiling of the formula with different detections before and after enrichment: (A,B) complementary positive (PI) and negative (NI) ionization chromatograms, (C) 2D ion map presenting all ions detected in NI, (D,E) ELSD chromatograms before and after SPE enrichment showing the unretained polar metabolites (mainly saccharides), (F,G) UV chromatograms (254 nm) before and after enrichment.