The present invention provides use of a green mango extract for manufacture of a pharmaceutical composition for UV protection and whitening of skin and anti-glycation. The present invention also provides compounds isolated from the green mango extract and identified as hydrolyzed tannins, and use of said compound for manufacture of a pharmaceutical composition for anti-glycation.本發明提供一種芒果幼果萃取物用於製備皮膚抗紫外線與美白及抗醣化醫藥組合物之用途。本發明亦提供一種分離自該芒果幼果萃取物的水解單寧化合物,及該化合物用於製備抗醣化醫藥組合物之用途。