Constitution of an Aldohexaouronic Acid Formed on Enzymatic Hydrolysis of a 4-O-Methylglucuronoxylan

Timell, T. E.

doi:10.1021/jo01052a077

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β Degradation In Cell-free Systems1

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1963

1995

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Cited by 9 publications

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“…Timell (476,(483)(484)(485)(486) found that a commercial fungal pectinase hydrolyzed birch (Betula sp.) wood 4-0-methylglucuronoxylan to a series of aldohexuronic acid-containing oligosaccharides and some neutral oligosaccharides.…”

Section: β Degradation In Cell-free Systemsmentioning

confidence: 99%

Metabolism of Polysaccharides Containing Glucuronic Acid

Silbert¹

1966

Glucuronic Acid Free and Combined

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Section: β Degradation In Cell-free Systemsmentioning

confidence: 99%

Metabolism of Polysaccharides Containing Glucuronic Acid

Silbert¹

1966

Glucuronic Acid Free and Combined

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Four polymer‐homologous series of oligosaccharides from a 4‐O‐methylglucuronoxylan

Marchessault¹,

Timell

1963

J. polym. sci., C Polym. symp.

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The optical rotation of wood xylans

Gutmann

Timell

1965

J. polym. sci., C Polym. symp.

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Previously derived equations relating the specific rotation and chemical composition of 4‐O‐methylghicurono‐xylans and arabino‐4‐O‐methylglucurono‐xylans have been found to be partly incorrect because of the assignment of an erroneous value to the rotatory contribution of the 4‐O‐methyl‐α‐D‐glucuronosyl xylose residue. The correct value was calculated from the known molar rotations of xylobiose and 22‐(4‐O‐methyl‐α‐D‐glucuronosyl) xylotriose. Approximately the same values were obtained from the specific rotations of five carefully purified 4‐O‐methylglucurono‐xylans, containing different proportions of acid side chains, and from the rotations of an aldopentaouronic and an aldohexaouronic acid. A revised equation was used for estimating the specific rotation of several arabino‐4‐O‐methylglucunmo‐xylans from various softwoods. Contrary to the earlier results, a satisfactory agreement was found to exist in most cases between found and calculated values.

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Constitution of an Aldohexaouronic Acid Formed on Enzymatic Hydrolysis of a 4-O-Methylglucuronoxylan

Cited by 9 publications

References 0 publications

Metabolism of Polysaccharides Containing Glucuronic Acid

Metabolism of Polysaccharides Containing Glucuronic Acid

Four polymer‐homologous series of oligosaccharides from a 4‐O‐methylglucuronoxylan

The optical rotation of wood xylans

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