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Word: barbasco (lookup in dictionary) (lookup stats)
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...pill's hormones are derived mostly from a chemical called diosgenin, which until 1945 was obtainable only in small quantities from tropical plants. Then Dr. George Rosenkranz, at that time a Syntex research chemist, found that the Mexican yam, or barbasco root, yielded much larger amounts of diosgenin. In 1951 Syntex's Dr. Carl Djerassi first synthesized from it female sex hormones that women could swallow. Later it was discovered that the hormones were effective as an oral contraceptive. Syntex then began selling the compound to other drug firms, later introduced its own pill. Both Syntex and Searle...

Author: /time Magazine | Title: Industry: Master of the Pill | 1/7/1966 | See Source »

...pills are Enovid, trade name of Chicago's G. D. Searle & Co. for norethynodrel, and Norlutin, trade name of Detroit's Parke, Davis & Co. for norethindrone (also called norethisterone).* These two chemicals, both extracted from the root of the barbasco (Mexican yam), are as alike as tweedledum and tweedledee. They are almost but not quite the same chemically as a natural female hormone that controls much of the menstrual cycle and helps to prevent ovulation-release of an egg from the ovary to the Fallopian tube, where a sperm can fertilize...

Author: /time Magazine | Title: Medicine: The Pills | 2/17/1961 | See Source »

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