From Morus alba leaves, the following 11 flavonoid-terpenoid compounds were extracted and isolated: 3, 4-dihydroxybenzoic acid, ellagic acid, gallic acid, Kaempferol 3-O-β-D-glucopyranoside, Quercetin 3-O-α-L-rhamnopyranoside, isofraxidin-7-O-β-D-glucopyranoside, (±) - 3, 5, 6, 7, 8, 4'-hexahydroxyflavane, Kaempferol-3, 7-O-α - L-rhamnopyranoside, 7, 4'-dihydroxy-5, 3'-dimethoxyflavone, (S) - 5, 5', 7-trihydroxy-2', and 4' - dimethoxy-6-methylflavanone.