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. 2021 Mar 30;10(4):659. doi: 10.3390/plants10040659

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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 (https://creativecommons.org/licenses/by/4.0/).

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Representative ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UPLC-QTOF/MS) of extract (AYC-CS-E) isolated from culture supernatant of Aster yomena callus. For analysis, the metabolites were analyzed with a BEH C18 column (2.1 × 100 mm, 1.7 μm). The eluted metabolites were analyzed by Q-TOF/MS in electrospray (ESI)-positive mode. The U PLC-QTOF/MS chromatogram shows the following: Green arrow 1, Robustic acid; green arrow 2, 3,4-Dicaffeoyl-1,5-quinolactone; green arrow 3, Acetylpterosin C; green arrow 4, Pterosin N; green arrow 5, L-thyronine; green arrow 6, 3,5-Di-O-methyl-8-prenylafzelechin-4beta-ol; green arrow 7, Dehydrophytosphingosine; green arrow 8, Phytosphingsoine; green arrow 9, LysoPC(18:2); green arrow 10, α-Linolenic acid; green arrows 11 and 12, LysoPC(16:0); 13, LysoPC(18:1); green arrow 14, LysoPC(18:0); green arrow 15, Palmitic amide; green arrow 16, Oleamide; green arrow 17, 13Z-Docosenamide; green arrow 18, PC(18:2/16:0).