In recent years, the studies on
reactive oxygen species (ROS), free radicals and antioxidants are generating
medical revolution by promising a good health and disease management [1]. The
free radicals and ROS can be developed inside the human body either through the
normal metabolic process or external sources such as pollutants, industrial
chemicals, and cigarette smoking, etc.
An antioxidant is a molecule that
neutralises these free radicals by donating an electron to them. They prevent
the oxidative reaction that is responsible for various chronic degenerative
diseases viz. cancer, cardiovascular and neurodegenerative disorders, etc.
Besides, in the pharmaceutical
industry, the safety, efficacy and stability of drug formulations are affected
by various physical factors like humidity, heat, and light [4]. These factors
are responsible for several chemical reactions that cause instability such as
oxidation, decarboxylation, hydrolysis, and photolysis, etc.
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