| abstract |
An antioxidant that suppresses intracellular oxidative stress is provided for a plant-derived component having an antioxidant effect. Moreover, the skin external preparation or cosmetic containing the plant-derived component is used for anti-aging, hair styling, hair nourishing, or hair tonic. An antioxidant extracted from a leaf and / or trunk of a red maple using a hydrophilic organic solvent such as water, methanol, ethanol or hydrous ethanol. The antioxidant promotes an in vivo antioxidant effect and an intracellular oxidative stress suppressing effect. An antioxidant, which is an extract from Karakogi maple, is used as a skin external medicine cosmetic. [Selection] Figure 1 |