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Original Research Article Catharanthus roseus is an important medicinal plant in Bangladesh. The plant is administered as a cooling medicine. From Ethyl Acetate (EA) extract Compounds: oleanolic acid (1), betullinic acid (2), ursolic acid (3) & myricitin (4) have been isolated from leaf part of this plant. The structures of the compounds have been established by different spectroscopic data analysis. From leaf EA extract compounds betullinic acid and myricitin were isolated for the first time from this plant.

Isolation and Structural Studies on Chemical Constituents from Catharanthus roseus Leaf Ethyl Acetate Extract