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. 2021 Mar 2;19(3):139. doi: 10.3390/md19030139

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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PLS-DA (a) scores and (b) loading scatter plots of the ¹H NMR data representing I. galbana extracted in 5 different solvents; Aqueous (Aq), 50% ethanol (AqE), ethanol (EtOH), ethyl acetate (EtOAc) and hexane (Hex). Corresponding metabolites with VIP value more than 1:1, fatty acid derivatives; 2, DMSP; 3, d-1,4/2,5-cyclohexanetetrol; 4, amino acid derivatives; 5, choline; 6, valine; 7, threonine/DPA/fucoxanthin; 8, sucrose; 9, archidic acid; 10, leucine/α-linoleic acid; 11, palmitic acid; 12, α-linoleic acid; 13, astaxanthin; 14, cholesterol; 15, glucose; 16, carotenoid derivatives; 17, sucrose/DHA/DPA; 18, oleic acid.