One Seed jade Lan flower Leaf extracts and its extraction sides method With purposes, The extracts can press down base Quality gold Genus proteinase activities processed and/or generation with what and/or inhibit have Silk mitogen activated protein kinase phosphorylations.一種玉蘭花葉萃取物及其萃取方法與用途,該萃取物可用於抑制基質金屬蛋白酶活性及/或生成、及/或抑制有絲分裂原活化蛋白激酶磷酸化。