Ball-and-stick model of the <a href="https://en.wikipedia.org/wiki/Carminic_acid" class="extiw" title="w:Carminic acid">carminic acid</a> molecule, a pink food dye that is used in smoked salmon and angel cake.
<a href="//commons.wikimedia.org/wiki/User:Jynto" title="User:Jynto">Jynto</a> and <a href="//commons.wikimedia.org/wiki/User:Benjah-bmm27" title="User:Benjah-bmm27">Ben Mills</a>
2010-09-06
Derived from <a href="//commons.wikimedia.org/wiki/File:Quinalizarin-3D-balls.png" title="File:Quinalizarin-3D-balls.png">File:Quinalizarin-3D-balls.png</a>, <a href="//commons.wikimedia.org/wiki/File:Pyrocatechol-3D-balls.png" title="File:Pyrocatechol-3D-balls.png">File:Pyrocatechol-3D-balls.png</a>, and <a href="//commons.wikimedia.org/wiki/File:Beta-D-glucose-3D-balls.png" title="File:Beta-D-glucose-3D-balls.png">File:Beta-D-glucose-3D-balls.png</a>.