Abstract
The aim of this project is the development of a spectrophotometric method for the quantification of the total antioxidant capacity of ophthalmic formulations based on the consumption of the MPPD*+ free radical (purple) which is originated from the oxidation of N-(4-methoxyphenyl)-1,4-phenylenediamine (MPPD, blue). Previous results revealed that the addition of eye drops in a solution cont…