• Thumbnail for Mexican barbasco trade
    The Mexican barbasco trade was the trade of the diosgenin-rich yam species Dioscorea mexicana, Dioscorea floribunda and Dioscorea composita which emerged...
    7 KB (966 words) - 00:47, 20 February 2024
  • contraceptive pill and synthetic cortisone – and to the development of the Mexican barbasco trade. He was born on March 12, 1902, in Hagerstown, Maryland. He received...
    6 KB (719 words) - 15:38, 3 January 2024
  • Syntex (category Pharmaceutical companies of Mexico)
    (Dioscorea mexicana) and Barbasco (Dioscorea composita). The demand for barbasco by Syntex initiated the Mexican barbasco trade. As the American Chemistry...
    11 KB (1,255 words) - 17:42, 28 April 2023
  • Thumbnail for Dioscorea mexicana
    and manufacture of hormones from D. mexicana at Syntex. Later the Mexican barbasco trade focused instead on Dioscorea composita instead, as this variety...
    4 KB (438 words) - 18:06, 8 December 2023
  • Thumbnail for Dioscorea
    Dioscorea communis (L.) Caddick & Wilkin, see Tamus communis. Yams Mexican barbasco trade Couto, Ricardo S; Martins, Aline C; Bolson, Mônica; Lopes, Rosana...
    49 KB (4,031 words) - 04:16, 6 January 2024
  • Thumbnail for 16-Dehydropregnenolone acetate
    US2656364A of 1951, describing its conversion into 17-ketosteroids. Mexican barbasco trade us 5808117, Pritish Kumar Chowdhury, "Process for the production...
    7 KB (623 words) - 14:23, 15 January 2024
  • Thumbnail for Percy Lavon Julian
    compete against Syntex, he would have to use the same Mexican yam, obtained from the Mexican barbasco trade, as his starting material. Julian used his own money...
    57 KB (5,911 words) - 13:43, 25 April 2024
  • Thumbnail for Steroid
    or sapogenins. The efforts of Syntex, a company involved in the Mexican barbasco trade, used Dioscorea mexicana to produce the sapogenin diosgenin in the...
    81 KB (8,329 words) - 02:06, 22 April 2024
  • Thumbnail for Mexico
    Mexican States". The phrase República Mexicana, "Mexican Republic", was used in the 1836 Constitutional Laws. The earliest human artifacts in Mexico are...
    260 KB (24,614 words) - 01:31, 28 April 2024
  • Dioscorea composita, or barbasco, is a species of yam in the genus Dioscorea, native to Mexico. It is notable for its role in the production of diosgenin...
    3 KB (296 words) - 15:11, 14 September 2023
  • Thumbnail for George Rosenkranz
    George Rosenkranz (category Mexican scientists)
    progesterone from diosgenin-containing Mexican yams, which would eventually give rise to the Mexican barbasco trade.: 183  After a disagreement Marker left...
    30 KB (2,912 words) - 00:50, 5 March 2024
  • Thumbnail for Luis Echeverría
    Luis Echeverría (category Candidates in the 1970 Mexican presidential election)
    a Mexican lawyer, academic, and politician affiliated with the Institutional Revolutionary Party (PRI), who served as the 57th president of Mexico from...
    78 KB (7,994 words) - 17:37, 9 March 2024
  • Thumbnail for History of science and technology in Mexico
    known as barbasco was discovered to contain steroid hormones that could affect human fertility and led to the development of The Pill. A Mexican research...
    68 KB (7,897 words) - 11:40, 15 April 2024
  • Thumbnail for Combined oral contraceptive pill
    left Syntex a year later the trade of the barbasco yam had started and the period of the heyday of the Mexican steroid industry had been started. Syntex...
    172 KB (18,544 words) - 21:16, 27 April 2024
  • Thumbnail for Manuel Córdova-Rios
    (1985) at 92 (tahuari negro [Peru] or pau d'arco [Brazil]), 97 (oje latex, barbasco root, rotenone), 117 (oje latex, rossewood oil), 153–54 (pau d'arco). Lamb...
    150 KB (22,846 words) - 05:41, 4 April 2024