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. 2018 Aug 30;50(12):1685–1695. doi: 10.1007/s00726-018-2640-5

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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.

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Fig. 3 — Mean (± SEM) leucine (a), isoleucine (b), and valine (c) contents (% of total protein) of various dietary protein sources and human skeletal muscle protein. White bars represent plant-based protein sources, grey bars represent animal-derived protein sources, and black bar represents human muscle. Dashed line represents the amino acid requirements for adults (WHO/FAO/UNU Expert Consultation 2007)