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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/).
Chromatograms from the HPLC analysis of ecdysterone at a concentration of 150 µg/mL (a) and 750 µg/mL (b) in MeOH. (c) Representative high-resolution total ion current (TIC) chromatogram of ecdysterone.