Food graded edible ink

[UfukAyyildiz]

@Ali_hassan you already asked this question before.

Have anyone of you worked on food graded / edible ink?

Have anyone of you worked on food graded / edible Ink.? Actually I wanna develop food graded ink to be used on Lollypops for making little prints on the surface. I ll be obliged if anyone can help me through this.