Natural pain-killing chemical synthesized Making conolidine in the lab could further drug research 23 mai 2011 ScienceNews Couronne de Néron ou Fleur moulin.

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Natural pain-killing chemical synthesized Making conolidine in the lab could further drug research 23 mai 2011 ScienceNews Couronne de Néron ou Fleur moulin à vent (crepe jasmine en anglais) Tabernaemontana divaricata (Inde, Thaïlande) Chemists have synthesized in the lab a pain-relieving extract from the bark of a tropical shrub, paving the way for new drugs that lack the unwanted side effects of many opiate-based pain meds. Glenn Micalizio, Scripps Research Institutes (Jupiter, Floride) Such tests are possible now that greater quantities of conolidine can be made, says natural-products chemist David Kingston of Virginia Tech. Some plant-derived compounds are incredibly unruly to isolate and synthesize. It took more than a decade for researchers to figure out how to make reasonable quantities of the cancer-fighting drug taxol, for example, an extract of the bark of the Pacific yew tree. conolidine

Catnip cure for malaria (Herbe aux chats : un nouveau remède pour la malaria) Juin 2011 Canadian Chemical News Gregory Patience, École Polytechnique de Montréal Népétalactone (faible repoussant pour les moustiques) H2H2 Pd/C Dihydronépétalactone (puissant repoussant pour les moustiques) Cataire (Nepeta cataria) ou Herbe aux chats Partenariat Canada-Burundi (depuis 2010) Cultiver dimmenses champs de cataire au Burundi. Faire lhydrodistillation ( obtention de lessence naturelle, constituée surtout de népatalactone). Faire lhydrogénation sur place (obtention de lhydronépatalactone). (tous deux moins toxiques que le DEET)

7 juin 2011 Drug prevents some breast cancers A hormone-blocking drug can waylay some breast cancers in healthy women A drug that inhibits the manufacture of estrogen can lower the likelihood of breast cancer among healthy women whom doctors consider at risk of developing the disease. The drug, called exemestane, may offer a preventive approach to combating the malignancy exemestane cholestérol

7 juin 2011 Drug prevents some breast cancers A hormone-blocking drug can waylay some breast cancers in healthy women A drug that inhibits the manufacture of estrogen can lower the likelihood of breast cancer among healthy women whom doctors consider at risk of developing the disease. The drug, called exemestane, may offer a preventive approach to combating the malignancy … During the study, which ran from 2004 to 2010, nearly 33 percent of the exemestane group had stopped taking their pills … … Exemestane is marketed as Aromasin by its maker Pfizer, which funded the study. exemestane cholestérol