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. 2020 Nov 5;12(11):3397. doi: 10.3390/nu12113397

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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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(a) Positive ion images (60 μm lateral resolution) of an almond section; A: Phosphatidylcholine 784.5750 [PC(18:1/14:0)+H]⁺; B: Phosphatidylcholine 786.5850 [PC(18:1/18:1)+H]⁺; C: overlay of two lipid signals; (b) Negative ion images (60 μm lateral resolution) of almond section; A: Phosphatidylinositol 835.5050 [PI(16:0/18:1)-H]⁻; B: Phosphatidylinositol 861.5450 [PI(18:1/18:1)-H]⁻ or [PI(18:0/18:2)-H]⁻; C overlay of two lipid signals.