Researchers at the department of paper technology at Indian Institute of Technology (IIT-R) have developed a water-based edible ink from plants for printing and packaging applications.
At the department of paper technology, researchers Kirtitaj K Gaikwad and Lokam Hakim have developed a substitute for synthetic ink, which is fully environmentally friendly, non-toxic, and suitable for different packaging and printing applications. The edible ink is manufactured from 100 percent plant-based material, 'catechu', without the use of any chemicals.