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. 2018 May 16;16(5):e05243. doi: 10.2903/j.efsa.2018.5243

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© 2018 European Food Safety Authority. EFSA Journal published by John Wiley and Sons Ltd on behalf of European Food Safety Authority.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited and no modifications or adaptations are made.

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Structures of opium alkaloids considered in this Scientific Opinion

MW: molecular weight; CAS: chemical abstracts service number; pKa: log of acid dissociation constant; logP: log of octanol: water partition coefficient. Different sources were used for retrieving the chemical structures above.1