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. 2017 Feb 18;22(2):313. doi: 10.3390/molecules22020313

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© 2017 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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Selected ion chromatograms of metabolites extracted from Tagetes species. 1, lactic acid; 2, valine; 3, glycolic acid; 4, serine; 5, ethanolamine; 6, glycerol; 7, isoleucine; 8, nicotinic acid; 9, glycine; 10, succinic acid; 11, glyceric acid; 12, fumaric acid; 13, threonine; 14, β-alanine; 15, malic acid; 16, salicylic acid; 17, aspartic acid; 18, methionine; 19, pyroglutamic acid; 20, 4-aminobutyric acid; 21, threonic acid; 22, glutamic acid; 23, phenylalanine; 24, p-hydroxybenzoic acid; 25, xylose; 26, asparagine; 27, vanillic acid; 28, glutamine; 29, shikimic acid; 30, citric acid; 31, quinic acid; 32, fructose; 33, galactose; 34, glucose; 35, syringic acid; 36, mannose; 37, mannitol; 38, inositol; 39, ferulic acid; 40, tryptophan; 41, sucrose; 42, trehalose; IS, internal standard (ribitol).