Fecha de publicación: -- Fuente: WIPO "tomato" The present invention discloses a salt-based delivery matrix for antioxidant bioactive compounds such as polyphenols and a process of preparation thereof The salt-based antioxidant delivery matrix of the present invention includes an edible common salt and a bioactive rich extract ratio is in the ratio 1: 0.005 to 1: 1. Further, the present invention discloses a method (100) of preparation of salt-based antioxidant delivery matrix. The present invention formulation of a salt with bioactive extract is rich in polyphenols like punicalagin and ellagic acid that have numerous health benefits. Further, the method (100) results in a heat-stable combination of salt and polyphenol that preserves the bioactive compounds properties as well as the phenolic concentration of the final product.