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Phytochemical and Biological Studies of Ochna Species

The genus Ochna L. (Gr, Ochne; wild pear), belonging to the Ochnaceae family, includes ca. 85 species of evergreen trees, shrubs, and shrublets, distributed in tropical Asia, Africa, and America. Several members of this genus have long been used in folk medicine for treatment of various ailments, such as asthma, dysentery, epilepsy, gastric disorders, menstrual complaints, lumbago, ulcers, as an abortifacient, and as antidote against snake bites. Up to now, ca. 111 constituents, viz. flavonoids (including bi‐, tri‐, and pentaflavonoids), anthranoids, triterpenes, steroids, fatty acids, and a few others have been identified in the genus. Crude extracts and isolated compounds have been found to exhibit analgesic, anti‐HIV‐1, anti‐inflammatory, antimalarial, antimicrobial, and cytotoxic activities, lending support to the rationale behind several of its traditional uses. The present review compiles the informations concerning the traditional uses, phytochemistry, and biological activities of Ochna.