Selected Patents On Food Dye: Curcuma Longa

Abstract

• Background: Traditionally, turmeric has been used for a long time. Later, active constituents were separated, and some patents were filed for the techniques and formulations related to curcumin.
• Objective: The main aim of the review is to compile data related to curcumin or turmeric from various patents.
• Methods: Literature survey is done to exploit the patents using various survey engines like google patents, google scholar, science direct, etc.
• Results: This review comprises the patents related to curcumin, which have been granted so far. In these patents, there are different formulations of curcumin, i.e., complexes of curcumin, water-soluble curcumin complexes, curcumin metal color complexes, etc., which are meant to improve its aqueous solubility and bioavailability
• Conclusion: New pharmacological applications of the drug are also reported in some patents. The synthesis of various formulations with a combination of curcumin is also discussed. Some patents are also discussed, the improvement in various physicochemical properties with different techniques or formulations.