Keratin is a protective substance that prevents harmful bacteria from entering skin
The presence of glutamic acid is particularly critical because it starts the synthesis process Supporting Antioxidant Enzymes through Nutrition Besides glutathione peroxidase, other antioxidant enzymes like superoxide dismutase are vital for reducing free radical formation
For a long time, this substance has been recommended as a possibly useful naturally generated chemical with anticancer properties
The fundamental mechanism is the activation of phase II detoxification enzymes or antioxidase controlled by Nrf2/ARE, including the expression of NAD(P)H quinone dehydrogenase 1 (NQO1), GPX, and superoxide dismutase (SOD) (Truong et al., 2014)
doi: 10.1016/j.isci.2023.108741
1G), as well as a reduction in mitochondrial area (Fig