Henri Braconnot
Henri Braconnot
1780-1855
French botanist Henri Braconnot is credited as the first person to isolate and identify chitin, a substance commonly found in the exoskeletal shells of invertebrates, which he located in the cell walls of fungi. Additionally, his experiments using plant and animal components lead him to discover other common biological molecules and substances such as glycine, leucine, and nitrocellulose.
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Substance , No common statement on the nature of substance is acceptable to all philosophers, the more famous of whom range from a full treatment of its nature t… Imbibition , imbibition The adsorption of liquid, usually water, into the ultramicroscopic spaces or pores found in materials such as cellulose, pectin, and cytop… Max Johann Sigismund Schultze , Schultze, Max Johann Sigismund
SCHULTZE, MAX JOHANN SIGISMUND
(b. Freiburg im Breisgau, Germany, 25 March 1825; d. Bonn Germany, 16 January 1874)
ana… Lignin , lignin A complex, cross-linked polymer, comprising phenyl propene units, that is found in many plant-cell walls. Its function appears to be to cement… Thiamine , Like all the water-soluble B vitamins, thiamine functions as a coenzyme. Thiamine works primarily in the metabolism (processing) of carbohydrates, fa… Cell Wall , With very few exceptions, all cells are enveloped by an extracellular matrix composed of proteins , carbohydrates , and other substances. Owing to it…
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Henri Braconnot