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. 2020 Aug 14;12(8):2452. doi: 10.3390/nu12082452

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© 2020 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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Chemical characterization of an ABCC11 inhibitory activity-guided fraction from soybean extract. Fraction (Fr.) #11-5-2 (upper panels) and authentic genistein (lower panels) were analyzed by a high-performance liquid chromatography instrument coupled with a diode array and multiple wavelength detector (DAD) and Q-TOF-MS system. (a) Chemical structure of genistein. (b) Extracted ion chromatograms (EICs) with a single peak at m/z 271.0621 in the positive ESI spectrum. (c) MS spectrums with a retention time of 5.83 min for the parent ion. (d) DAD spectrums. (e) Information on the fragment ions derived from MS/MS analyses.