There are many kinds of skin colors, including white, black and brown. The color of the skin depends on the amount of melanin in the cells. Drinking more water is good for the skin, but whitening requires a certain process. If you want to maintain fair skin, be sure to apply sunscreen when going out. This can avoid ultraviolet radiation, and in daily life you can choose some vitamin-rich foods to supplement the nutrients in the body. Whether the skin is white or not mainly depends on the ability of melanocytes to synthesize melanin. Melanocytes are distributed between the basal cells of the human epidermis. The tyrosinase they contain can oxidize tyrosine into polysaccharides, which then go through a series of metabolic processes to finally produce melanin. The more melanin is produced, the darker the skin will be; conversely, the whiter the skin will be. Studies have shown that the activity of tyrosinase is closely related to elements such as copper, iron, and zinc in the body. Regular consumption of foods rich in tyrosine and rare elements such as zinc, copper and iron, such as animal offal such as liver and kidney, crustaceans such as clams, crabs, river snails and oysters, aquatic products such as mullet roe, beans such as soybeans, lentils, green beans and adzuki beans, nuts such as peanuts, walnuts, black sesame seeds and raisins, will result in darker skin. In addition, drinking too much coffee or coffee that is too strong can also cause your skin to darken. Vitamin C can interrupt the process of melanin production, prevent the further oxidation of the generated dopamine and reduce it to dopa, and can reduce the serum copper oxidase content and affect the activity of tyrosinase, thereby interfering with the biosynthesis of melanin. If you want to have fair skin, you might as well eat more foods rich in vitamin C, such as tomatoes, oranges, lemons, hawthorns, tangerines, etc. Vitamin C can reduce melanin deposition in the skin, reduce and remove dark spots and freckles on the skin, and accelerate the restoration and whitening of the skin. In daily life, if you regularly eat foods rich in substances necessary for melanin metabolism, or constantly supplement with foods that can enhance the activity of tyrosinase, your skin color will tend to be darker. On the contrary, if you regularly consume foods that can interrupt the melanin metabolism process, your skin will tend to be whiter. |
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