Pelletier, Pierre Joseph

Pelletier, Pierre Joseph

(pyĕr zhôzĕf` pĕlətyā`), 1788–1842, French chemist. With J. B. CaventouCaventou, Joseph Bienaimé
, 1795–1877, French chemist. He was professor at the École de Pharmacie, Paris. With P. J. Pelletier he isolated quinine (from cinchona bark), strychnine, and brucine and studied the green pigment in plants (which they named chlorophyll).
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, he was cofounder of alkaloid chemistry and codiscoverer of quinine, strychnine, brucine, and other alkaloids. He also isolated such other substances as picrotoxin, caffeine, and piperine. He was especially noted for his introduction of new methods of generating organic substances.
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