Novel saccharide, process for preparation of the same and use thereof
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United States of America Patent
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Issued Date -
Jul 31, 2003
app pub date -
Nov 26, 2002
filing date -
May 26, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided a novel carbohydrate: having neither a carbon-carbon double bond nor a carbonyl group and represented by a molecular formula C.sub.6H.sub.10O.sub.5; showing a retention time of 11.0.+-.0.2 minutes when maltose and fructose as reference materials show retention times of 8.8 minutes and 12.5 minutes, respectively, the retention times being measured by high performance liquid chromatography using a column having, as a filler, a strongly acidic ion exchange resin which is a styrene-divinylbenzene copolymer with a degree of crosslinkage of 8% and has a sulfonic group bonded to sodium as an ion exchange group, at a column temperature of 40.degree. C. and a flow rate of water as an eluent of 1 ml/min, and; showing intramolecular carbon chemical shift values obtained by carbon nuclear magnetic resonance of 70.54.+-.1 ppm, 95.37.+-.1 ppm, 75.09.+-.1 ppm, 68.86.+-.1 ppm, 77.99.+-.1 ppm and 64.15.+-.1 ppm. This novel carbohydrate is useful as an antioxidant.
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