Anti-Aging Potential of Phytoextract Loaded-Pharmaceutical Creams for Human Skin Cell Longetivity

Table 1

Enzymes involved in the generation of ROS with an unpaired electron.

Number	Name	Symbol	Enzymes
1	Superoxide anion radicals		NADPH oxidase and xanthine oxidase [22–24]
2	Hydroxyl radicals	^•OH	Superoxide dismutase (SOD) [25]
3	Nitric oxide radicals		Nitric oxide synthase (NOS) [26]
4	Lipid peroxyl radicals		Superoxide dismutase [25]