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Oxalis pes-caprae (African wood-sorrel, Bermuda buttercup, Bermuda sorrel, buttercup oxalis, Cape sorrel, English weed, goat's-foot, sourgrass, soursob or soursop; Afrikaans: suring; Arabic: hommayda (حميضة) [2]) is a species of tristylous yellow-flowering plant in the wood sorrel family Oxalidaceae.
Soursop (also called graviola, guyabano, and in Latin America guanábana) is the fruit of Annona muricata, a broadleaf, flowering, evergreen tree. [4] [5] It is native to the tropical regions of the Americas and the Caribbean and is widely propagated. [5] It is in the same genus, Annona, as cherimoya and is in the Annonaceae family.
The Annonaceae are a family of flowering plants consisting of trees, shrubs, or rarely lianas [3] commonly known as the custard apple family [4] [3] or soursop family. With 108 accepted genera and about 2400 known species, [ 5 ] it is the largest family in the Magnoliales .
Fruits are formed of numerous fused, fleshy, bumpy, ovaform or globular carpels about 2.5–5 by 2.5–4 centimetres (0.98–1.97 by 0.98–1.57 in). They are green when young, ripening to yellow, and eventually to orange, packed with many burnt-orange-colored, oblong, cylindrical seeds. The fruit stalk is 1.5–5 centimetres (0.59–1.97 in) long.
[5] The generic name derives from anón, a Hispaniolan Taíno word for the fruit. [6] Paleoethnobotanical studies have dated Annona exploitation and cultivation in the Yautepec River region of Medicoto to approximately 1000 BC. [7] Plants of the genus have several common names, including sugar-apple, soursop, anona, chrimoya and guanabana.
Annonacin is a disabling and potentially lethal neurotoxin. [4] [5] [6] Like other acetogenins, it is a mitochondrial complex I (NADH-dehydrogenase) inhibitor. [5]As NADH-dehydrogenase is responsible for the conversion of NADH to NAD+ as well as the establishment of a proton gradient in the mitochondria, annonacin disables the ability of a cell to generate ATP through oxidative phosphorylation ...
Annona glabra is a tropical fruit tree in the family Annonaceae, in the same genus as the soursop and cherimoya.Common names include pond apple, alligator apple (so called because American alligators often eat the fruit), swamp apple, corkwood, bobwood, and monkey apple. [2]
David E. Allen writing in Medical History described it as "a thoughtful, thought-provoking, extremely readable work" [2] It has been recommended reading and studied at universities [3] [4] [5] and has been reviewed by the Library Journal, [6] The American Historical Review, [7] and The Atlantic.