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. 2019 Jan 29;8(2):43. doi: 10.3390/foods8020043

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© 2019 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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Liquid chromatography coupled quadruple time of flight mass spectrometry (LC-Q-TOF MS) spectrum (electrospray ionization (ESI⁺)) of the peptides Gly-Leu-Pro-Asp (a) and Gly-His-Gly-Asp (b) isolated from S5.1.