Annonas: Underutilized species as a potential source of bioactive compounds.

The genus Annona belongs to the family Annonaceae and includes several species of tropical and subtropical crops characterized by their edible and exotic fruits. Twenty species of Annona have been reported in Mexico, localized mainly in the tropical southeastern regions of the country. Most species, however, are not marketable and remain underutilized, and are often referred to as wild Annona species, but they are a valuable source of bioactive compounds. According to ethnobotanical evidence, extracts obtained from different Annona species and different parts of the plant (stem bark, leaves, roots, seeds, and peel) have been used in traditional medicine to treat various ailments. Most of their reported health benefits are attributed to the presence of bioactive compounds with various in vitro and in vivo biological activities, such as antidepressant, antidiabetic, neuroprotective, anticonvulsant, anti-inflammatory, antiproliferative, vasorelaxant, antipyretic, anti-ulcer, analgesic, and healing activities. Therefore, further extensive knowledge of these species especially information on their health benefits is essential to increase their cultivation and commercial use. The present review focuses on traditional uses of underutilized Annona species, their bioactive compounds content, and biological activities.

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