Standard commercial diligence is not designed to evaluate FDA regulatory risk in this environment
5.2.4 Polyphenol oxidases (PPOs) PPOs are omnipresent Cu-containing enzymes which utilize molecular Oxygen for catalytic hydroxylation and dehydrogenation of o- diphenolic compounds like catechol and caffeic acid to their respective quinones, which leads to the alkylation of nucleophilic groups and self-polymerization to produce dark-coloured melanin polymers [185]
Prudova, A., Bauman, Z., Braun, A., Vitvitsky, V., Lu, S
It is also believed to support liver detoxification, improve insulin sensitivity, and potentially alleviate symptoms of neuropathy, especially in individuals with diabetes
These systems function their form by maintaining intracellular ROS activity and redox balance with chelating [7, 20]
Since glutamine is a precursor of glutathione, its supplementation in the clinical diet can be used to maintain high levels of glutathione and to avoid oxidative stress damage