1. Vitamin E Vitamin E, also known as tocopherol, is a fat-soluble vitamin. The human body cannot synthesize itself and must be supplemented from the outside.
A. how does vitamin e resist oxidation?
The principle is that it can concentrate on providing hydrogen atoms for unsaturated fatty acids, thus becoming an effective peroxide free radical scavenger.
B. how does vitamin e resist wrinkles?
Wrinkles are usually caused by the reduction of subcutaneous fat. Elastic fiber breakage and connective collagen tissue degradation. Vitamin E can just keep the connection between these tissues and maintain the elasticity of skin through lipid peroxidation.
C. how does vitamin e resist dental plaque?
When the skin is affected by ultraviolet rays and produces free radicals, vitamin E can be absorbed through the skin, which has the functions of delaying photoaging, sun protection, inhibiting sunburn and effectively preventing senile plaques.
2. Vitamin C, also known as L- ascorbic acid, as one of the 13 vitamins in the vitamin family, is one of the special components, with various specificities and a series of physiological functions.
A. how does vitamin c resist oxidation?
The antioxidant function of vitamin C is mainly attributed to its ability to protect vitamin A and essential amino acids from oxidation, and to eliminate the damage of free radicals and some chemicals to the body.
B. how does vitamin c whiten and wrinkle?
As a reducing agent, vitamin C can promote the hydroxylation of some amino acids in protein and cross-link them into collagen fibers, so it has whitening and anti-wrinkle effects.
3. Food sources of vitamin C and vitamin E The best food sources of vitamin C are Rosa roxburghii, fresh dates and kiwifruit. Good food sources of vitamin C include pepper, bitter gourd, citrus, tomato, cauliflower, strawberry, litchi and green leafy vegetables.
Foods rich in vitamin E include vegetable oil, wheat germ, hard fruit, seeds, beans and other cereals. Eggs, chicken (duck) gizzards, green leafy vegetables, etc.
If the food supplement is not enough, it should be supplemented to meet the normal needs of the body. But no matter which way you choose to supplement, insisting on supplementing is king.