Formation of trisaccharides (kestoses) by pyrolysis of sucrose.
Amorphous sucrose, containing citric acid as catalyst, undergoes thermolysis at 100 degrees to yield fructofuranosyl cation and D-glucose. The cation reacts with unchanged sucrose to form all three of the known kestoses, and also their alpha-fructofuranosyl anomers. Two of the latter are resistant to invertase hydrolysis. A new fructosylglucose disaccharide is also formed.
Manley-Harris
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Wood Chemistry Laboratory, University of Montana, Missoula 59812.
Richards
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D002240:Carbohydrate Sequence; D002384:Catalysis; D002951:Citrates; D019343:Citric Acid; D004187:Disaccharides / Q000737:chemistry; D005632:Fructose / Q000737:chemistry; D005947:Glucose / Q000737:chemistry; D006026:Glycoside Hydrolases / Q000378:metabolism; D006358:Hot Temperature; D007536:Isomerism; D008969:Molecular Sequence Data; D013395:Sucrose / Q000737:chemistry*; D013549:Sweetening Agents / Q000737:chemistry / Q000378:metabolism; D014312:Trisaccharides / Q000737:chemistry* / Q000378:metabolism; D043324:beta-Fructofuranosidase
D002951:Citrates; D004187:Disaccharides; D013549:Sweetening Agents; D014312:Trisaccharides; D019343:Citric Acid; D005632:Fructose; D013395:Sucrose; D006026:Glycoside Hydrolases; D043324:beta-Fructofuranosidase; D005947:Glucose