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Soursop

Soursop is the common name for *Annona muricata*, a tropical evergreen tree in the custard apple family (Annonaceae), and for its large edible fruit.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Soursop is the common name for *Annona muricata*, a tropical evergreen tree in the custard apple family (Annonaceae), and for its large edible fruit. It is native to the tropical Americas and is now widely cultivated in other tropical and subtropical regions. The fruit is known for its spiny green skin and white, fibrous flesh with a sweet-tart flavour.

Taxonomy and naming

Soursop refers to *Annona muricata*, a flowering evergreen tree in the family Annonaceae and the genus *Annona*. Common names vary by region, including graviola, guyabano, guanábana, and prickly custard apple.

Description and fruit

The tree produces large green fruits with a spiny exterior and white, juicy, fibrous flesh. The ripe fruit is often described as having a sweet-tart tropical flavour and is used fresh or in desserts and drinks.

Distribution and cultivation

Soursop is native to the tropical Americas and is now cultivated in many tropical and subtropical countries, including parts of Asia, Africa, and the Pacific. Some references note that it can spread widely and may become invasive in certain regions.

Uses and nutrition

The fruit is commonly eaten fresh and processed into juice, puree, ice cream, sorbet, and other foods. It is described as a source of vitamin C, fibre, and other nutrients in several popular references.

Traditional and medical interest

Soursop has a long history of use in traditional medicine, and modern discussions often focus on its antioxidants and other compounds. However, reputable sources note that clinical evidence in humans is insufficient to support claims such as cancer treatment.

Key facts

  • Soursop is the fruit of *Annona muricata*, a species in the custard apple family.
  • The plant is native to the tropical Americas and has been widely introduced and cultivated in other tropical regions.
  • The fruit has white, fibrous pulp with a sweet-tart flavour and is eaten fresh or processed into foods and beverages.
  • It is known by several regional names, including graviola, guyabano, and guanábana.
  • Some sources discuss soursop in relation to traditional medicine, but human clinical evidence for cancer treatment is lacking.
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Canadian context

Soursop is not native to Canada, but it is sold in some Canadian markets as a tropical fruit and appears in imported juices, purées, and frozen products.

Frequently asked questions

What is soursop?
Soursop is the common name for *Annona muricata*, a tropical fruit tree and its edible fruit.
Where does soursop come from?
It is native to the tropical Americas, especially tropical parts of Mexico, Central America, and the Caribbean.
What does soursop taste like?
Sources describe the pulp as sweet-tart, white, fibrous, and similar in flavour to tropical fruits such as mango and pineapple.
What is soursop used for?
It is eaten fresh and also used in juices, purees, ice cream, sorbet, custards, and other desserts and beverages.
Is soursop proven to treat cancer?
No. Britannica notes that it has been promoted as an alternative cancer treatment, but clinical studies in humans are lacking.
What are other names for soursop?
Common alternatives include graviola, guyabano, guanábana, and custard apple in some regional usage.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Soursop
    Supports: Common names, scientific name, family, native range, and broad cultivation notes.
  2. Encyclopaedia Britannicahttps://www.britannica.com/plant/soursop
    Supports: Taxonomy, native range, fruit description, culinary uses, and note that human clinical evidence for cancer treatment is lacking.
  3. ScienceDirect Topicshttps://www.sciencedirect.com/topics/medicine-and-dentistry/soursop
    Supports: Plant description, possible origin in the Caribbean, and cultivation in many tropical countries.
  4. Port St. Lucie Botanical Gardenshttps://www.pslbg.org/soursop/
    Supports: Common and scientific names and origin in tropical regions of the Americas and the Caribbean.
  5. University of Texas at El Pasohttps://www.utep.edu/herbal-safety/herbal-facts/herbal%20facts%20sheet/soursop.html
    Supports: Alternative common names and herbal-safety context.
  6. International Tropical Fruits Networkhttps://www.itfnet.org/v1/2014/04/soursop-beyond-the-fruit-juic/
    Supports: Uses in juice and processed products, origin notes, and global spread.
  7. ECHOcommunityhttps://www.echocommunity.org/th/resources/987d3977-766c-4611-8817-a5065b08e1e6
    Supports: Tree size and growth habit.
  8. Health.comhttps://www.health.com/soursop-8572246
    Supports: Nutritional claims and traditional uses, presented as general health information.