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. 2012 Feb 3;7(2):e30100. doi: 10.1371/journal.pone.0030100

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Brown et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Purified neutral lipids from pollen were analysed by TLC and used for electrospray MS analysis in the presence of lithium (panel A). Ions between 830 and 900 amu in the lipid X fraction (highlighted in red and Panel B) were selected for fragmentation and the diagnostic fragments produced, such as those in Panel C from the 858 mass ion, allowed determination of fatty acid composition of proposed TAG species (Panel D).