Abstract
THE glycoside stevioside, which occurs naturally in Stevia rebaudiana (a South American member of the Compositae), is responsible for the remarkable sweet taste of the leaves of that plant. According to the Merck Index, it is 300 times sweeter than sugar. The aglycone of stevioside is the tetracyclic diterpenoic acid steviol. Structurally, it is closely related to gibberellin and shows growth promoting activity in some test plants which were hitherto thought only to be promoted by gibberellin1–3. Steviol is also converted by the fungus Fusarium monili-forme into a gibberellin-like substance which is apparently not identical with gibberellins A1–A9 (ref. 4).
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RUDDAT, M. Inhibition of the Biosynthesis of Steviol by a Growth Retardant. Nature 211, 971–972 (1966). https://doi.org/10.1038/211971a0
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DOI: https://doi.org/10.1038/211971a0
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