If you've eated shiny candy you've probably eaten something in contact with a nasty Indian dude's mouth and feet. I looked into this shit after reading the ingredients list of a box of Lemonhead candy which included 'Confectioner's Glaze (Shellac)' and was curious. Made from bugs too.
https://www.youtube.com/watch?v=lQcQ0yuekZ0https://en.wikipedia.org/wiki/Resinous_glaze