The genus Morus (Moraceae), consisting of around 16 species, is of important economic and medicinal value. Some
Morus plants are widely cultivated in China, and their leaves are indispensable food for silk-worms. Sericulture plays an important role in the splendid oriental silk civilization. On the other hand, the root bark of some Morus species has been used as the traditional Chinese medicine “Mori Cortex” for the treatment of diabetes, arthritis, and rheumatism. This genus is a rich source of isoprenylated flavonoids with structural and biological interest.1,2 Sanggenon-type flavanones and DielsAlder adducts are characteristic constituents with biological activities including antioxidant and anti-inflammatory effects and inhibition of COXs and HIF-1