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. 2018 Aug 10;8:30. doi: 10.1186/s13601-018-0216-9

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© The Author(s) 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Selected SDS-PAGE and immunoblot samples are shown for both albumins, Ara h 2 and pea PA2 albumin. A Ara h 2 displays complete resistance up to 1 h to pepsin at acidic pH, whereas the pea albumin is undetectable after 5 min. Both albumins are unaffected by pepsin at pH 4.0. B Pea albumin PA2 appears to be more resistant to pancreatin than Ara h 2. Surprisingly the disappearance of Ara h 2 is transient when it has not been exposed to acidic pH and active pepsin. C High resistance of Ara h 2 to pepsin is confirmed for IgE. For pea albumin susceptibility could not be confirmed because no sera with pea albumin reactive IgE were found. Susceptibility characteristics of Ara h 2 to pancreatin were also confirmed with IgE