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Stevia rebaudiana is a plant species in the genus Stevia of the family Asteraceae. It is commonly known as candyleaf, sweetleaf or sugarleaf. [1] [2] It is a small seasonal plant which grows to a height of 30–60 centimetres (1–2 feet). [2] It has elongated leaves that grow along the stems and are lined up against each other.
Stevia rebaudiana extracts and derivatives are produced industrially and marketed under different trade names. Rebiana is an abbreviated name for the Stevia extract, rebaudioside A. [36] Truvia is the brand for an erythritol and rebiana sweetener concoction manufactured by Cargill and developed jointly with the Coca-Cola Company. [37]
Anti-cancer psychotherapy – a technique [131] claiming that a "cancer personality" caused cancer, which could be cured through talk therapy (e.g. that of the Simonton Cancer Center, [132] Bernie Siegel's "Exceptional Cancer Patients" (ECaP) or Deepak Chopra). Evidence is lacking that cancer cures sold or promoted by Deepak Chopra have any value.
Stevioside is the main sweetener (along with rebaudioside A) found in the leaves of Stevia rebaudiana, a plant originating in South America.Dried leaves, as well as aqueous extracts, have been used for decades as a sweetener in many countries, notably in Latin America and Asia (Japan, China). [3]
The cancer treatment drug topotecan is a synthetic chemical compound similar in chemical structure to camptothecin which is found in extracts of Camptotheca (happy tree). [7] Catharanthus roseus. Vinca alkaloids were originally manufactured by extracting them from Catharanthus roseus (Madagascar Periwinkle). [1] Podophyllum spp.
Human use of the sweet species S. rebaudiana originated in South America. [10] The species Stevia rebaudiana is widely grown for the sweet compounds ( steviol glycosides ) extracted from its leaves, sold as a sugar substitute under the generic name stevia and several trade names.
They also occur in the related species S. phlebophylla (but in no other species of Stevia) and in the plant Rubus chingii . [1] Steviol glycosides from Stevia rebaudiana have been reported to be between 30 and 320 times sweeter than sucrose, [2] although there is some disagreement in the technical literature about these numbers.
Rebaudioside A (sometimes shortened to "Reb A") is a steviol glycoside from the leaves of Stevia rebaudiana that is 240 times sweeter than sugar. [2] Rebaudioside A is the sweetest and most stable steviol glycoside, and is less bitter than stevioside. [3] Stevia leaves contain 9.1% stevioside and 3.8% rebaudioside A. [3]