1, the highest content of vitamin C in fruits is Rosa roxburghii. Vitamin C can inhibit the activity of tyrosinase, block the production of melanin, protect the skin from ultraviolet rays, reduce the formed melanin to colorless melanin precursors, and improve the dull skin effect. Rosa roxburghii also contains a variety of antioxidants, which help to resist free radicals and protect the skin from environmental pollution. In addition, it can also enhance human immunity and treat scurvy.

2. Biluochun tea has the effects of clearing away heat and purging fire, cooling down and dispelling summer heat, and is rich in vitamin C, which can prevent human scurvy and enhance hematopoietic, bone tissue and visceral functions. At the same time, it has the functions of strengthening heart and relieving spasm, relaxing smooth muscle, relieving bronchospasm, promoting blood circulation and effectively relieving bronchial asthma.