1836 ⟶ Schwann Isolates Pepsin, the First Animal Enzyme

Theodor Schwann discovered pepsin in extracts from the stoma...
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Year
1833
1836
1837
1839
1930

🌱 Anselme Payen Isolates Diastase, the First Enzyme

Anselme Payen isolates first enzyme, diastase.⟶
Anselme Payen Isolates Diastase, the First Enzyme (1833)
EnzymologyBiochemistryEnzymeDiastasePayen19th CenturyBiology
FranceFrance

🥩 Schwann Isolates Pepsin, the First Animal Enzyme

Theodor Schwann discovered pepsin in extracts from the stomach lining; first isolation of an animal enzyme.⟶
Schwann Isolates Pepsin, the First Animal Enzyme (1836)
EnzymologyBiochemistryEnzymePepsinSchwannAnimal Biology19th Century
GermanyGermany

♨️ Schwann Demonstrates Air Heating Prevents Putrefaction

Theodor Schwann showed that heating air will prevent it from causing putrefaction.⟶
MicrobiologyGerm TheoryPutrefactionSchwannSterilization19th CenturyMedical Science
GermanyGermany

🔬 Schwann Proposes All Animal Tissues are Composed of Cells; Cell Theory Expanded

Theodor Schwann proposed that all animal tissues are composed of cells. Schwann and Schleinden argued that cells are the elementary particles of life.⟶
Schwann Proposes All Animal Tissues are Composed of Cells; Cell Theory Expanded (1839)
Cell TheoryBiologySchwannCell Biology19th CenturyCytologyHistology
GermanyGermany

🧪 John Howard Northrop Shows Pepsin is a Protein

John Howard Northrop showed that the pepsin enzyme is a protein.⟶
John Howard Northrop Shows Pepsin is a Protein (1930)
BiologyBiochemistryEnzymesPepsinProteinsJohn Howard NorthropEnzyme Kinetics20th Century
United StatesUnited States