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François Anselme Payen (Parigi, 6 gennaio 1795 – Parigi, 12 maggio 1871) è stato un chimico francese. Si interessò di chimica , fisica e matematica . Studiò all'École Polytechnique e, all'età di 20 anni, divenne direttore della fabbrica di famiglia che produceva zucchero di barbabietola .
Anselme Payen (French:; 6 January 1795 – 12 May 1871) was a French chemist known for discovering the enzyme diastase, and the carbohydrate cellulose. Biography. Payen was born in Paris.
9 mag 2024 · Anselme Payen (born Jan. 6, 1795, Paris, France—died May 12, 1871, Paris) was a French chemist who made important contributions to industrial chemistry and discovered cellulose, a basic constituent of plant cells. Payen, the son of an industrialist, was put in charge of a borax-refining plant in 1815.
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Il s'initie au métier de chimiste auprès de son père Jean-Baptiste, homme de loi fondateur de plusieurs usines chimiques et manufacturier installé à Grenelle vers 1791, produisant du sel ammoniac et un peu de soude artificielle au tournant du siècle. Les Payen père et fils sont amis de Jean-Antoine Chaptal.Dès 13 ans, Anselme continue cet apprentis...
Traité élémentaire des réactifsMémoire sur le houblonTraité de la fabrication de diverses sortes de bières, 1822-1829avec Alphonse Chevallier, Traité de la pomme de terre, sa culture, ses divers emplois, Paris : Thomine, 1826, in-8o, VIII-160 p. Texte en ligne sur WikisourceRessources relatives à la recherche :Ressource relative à la santé :Ressource relative à la vie publique :Notices dans des dictionnaires ou encyclopédies généralistes :1 gen 2010 · In 1833 Anselme Payen (1795-1871) and Jean-François Persoz (1805-1868) (Payen and Persoz, 1833) found that the transformation of starch discovered by Kirchhoff was attributable to the action of a special substance, which they called diastase (amylase).
- Jaime Wisniak
- 2010
Lo studio scientifico dell’amido è iniziato nel 1833 quando il chimico Francese Anselme Payen stabilì che l’amido era composto da unità di glucosio. Tuttavia, ancora oggi, la sua biochimica e la struttura dettagliata non sono state ancora del tutto comprese.
The first systematic clarification of the cellulose structure began in 1837 with investigations of the French agricultural chemist Anselme Payen and finally the French Academy named the carbohydrate “Cellulose” [1, 2]. The cellulose molecule consists of β-(1→4)-glycosidically linked glucose units.
