|Gottlieb Sigismund Kirchhoff|
19 February 1764|
|Died||14 February 1833
Saint Petersburg, Russia
Refining vegetable oil.
Gottlieb Sigismund Constantin Kirchhoff (19 February 1764 – 14 February 1833) was a Russian chemist. In 1812 he became the first person to convert starch into a sugar (corn syrup), by heating it with sulfuric acid. This sugar was eventually named glucose. He also developed a method of refining vegetable oil, and established a factory that prepared two tons of refined oil a day.
- Kirchhoff (1811) Mémoires de l'Académie impériale des sciences de St. Pétersbourg, 4 : 27. From page 27: "Mr. l'Adjoint Kirchhoff présenta à la Conférence trois flacons, contenans: 1°) du Sirop produit par l'art dans quelques végétaux (la pomme de terre, le froment et le blé noir ou Sarazin), … " (Assistant [professor] Kirchhoff presented to the conference three bottles, containing: (1) syrup produced artificially from some vegetables (potato, wheat and buckwheat or Sarazin), … )
- Asimov, Asimov's Biographical Encyclopedia of Science and Technology 2nd Revised edition
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