Jean-François Persoz (9 June 1805–September 1868) was a French chemist known for discovering the enzyme

diastase A diastase (; from Greek διάστασις, "separation") is any one of a group of enzymes that catalyses the breakdown of starch into maltose. Alpha amylase degrades starch to a mixture of the disaccharide maltose; the trisaccharide maltotriose, ...

and on the properties of

dextrin Dextrins are a group of low-molecular-weight carbohydrates produced by the hydrolysis of starch and glycogen. Dextrins are mixtures of polymers of D-glucose units linked by α-(1→4) or α-(1→6) glycosidic bonds. Dextrins can be produced from ...

. He also wrote a report that coined the name

cellulose Cellulose is an organic compound with the formula , a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units. Cellulose is an important structural component of the primary cell wall ...

. Born in

Cortaillod Cortaillod is a municipality in the canton of Neuchâtel in Switzerland. The Neolithic Cortaillod culture was named after Cortaillod, where four Neolithic villages have been discovered. History Cortaillod is first mentioned in 1311 as ''Corta ...

, Persoz studied physical science in Paris under

Louis Jacques Thénard Louis Jacques Thénard (4 May 177721 June 1857) was a French chemist. Life He was born in a farm cottage near Nogent-sur-Seine in the Champagne district the son of a farm worker. In the post-Revolution French educational system , most boys rec ...

and received his doctorate in 1833. Persoz was a professor of chemistry at the

University of Strasbourg The University of Strasbourg (french: Université de Strasbourg, Unistra) is a public research university located in Strasbourg, Alsace, France, with over 52,000 students and 3,300 researchers. The French university traces its history to the ea ...

since 1833 and then a professor of dyeing and calico-printing at the

Conservatoire des Arts et Metiers A music school is an educational institution specialized in the study, training, and research of music. Such an institution can also be known as a school of music, music academy, music faculty, college of music, music department (of a larger ins ...

since 1852. His work on diastase, also known as amylase, was carried out in collaboration with

Anselme Payen Anselme Payen (; 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. He began studying science with his father when he was a 13-yea ...

and published in 1833. His work on dextrin was carried out in collaboration with J.B. BiotBiot, J. B., Persoz, J.: Ann. Chim. Phys. 52, 72 (1833). Persoz died in Paris on 12 or 18 September 1868.

References

1805 births 1868 deaths 19th-century French chemists {{France-chemist-stub