论文部分内容阅读
大约从4月开始,紫外线含量开始逐渐增强,到了6-8月达到峰值。紫外线不仅会使皮肤黑色素增加,引起雀斑、色斑,严重的还会慢慢影响到真皮层,破坏皮肤的胶原蛋白,从而促使皱纹和皮肤松弛的出现。1.草莓。像草莓这样的浆果类水果中含有的多酚物质,对于促使黑色素生成的酪氨酸酶具有抑制作用。并且,由于照射紫外线产生的活性氧破坏细胞膜细胞内的DNA,将脂质变为过氧化脂质,会导致
From about the beginning of April, UV content began to gradually increase, reaching a peak in June-August. UV will not only increase the skin melanin, causing freckles, pigmentation, severe will slowly affect the dermis, the destruction of the skin collagen, thereby contributing to the emergence of wrinkles and skin flaccid. Strawberries Polyphenols contained in berry fruits like strawberries have an inhibitory effect on tyrosinase which causes melanin production. In addition, reactive oxygen species produced by UV irradiation destroy the DNA in the cell membrane and change the lipid into lipid peroxidation, resulting in