Examples of 'galacturonic acid' in a sentence
Meaning of "galacturonic acid"
galacturonic acid: A type of organic acid commonly found in plant material such as pectin, known for its role in various biological processes
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- a carboxylic acid derived from galactose by oxidation of the terminal CHâ‚‚OH to a COOH; it polymerizes to form pectic acid
How to use "galacturonic acid" in a sentence
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galacturonic acid
The galacturonic acid oligosaccharide can be derivatised.
The main product of enzyme action was galacturonic acid.
The galacturonic acid groups are partially methoxylated.
Uronic acid oligosaccharides are preferably galacturonic acid oligosaccharides.
Galacturonic acid fine particles.
Preferably the uronic acid oligosaccharide is a galacturonic acid oligosaccharide.
The galacturonic acid oligosaccharide is preferably derived from pectin.
In a preferred embodiment the present composition comprises galacturonic acid oligosaccharides.
Galacturonic acid and glucoronic acid are preferred among uronic acids.
The amount of pectin and galacturonic acid in each sample was evaluated.
The main structure of pectin is a partially methylated galacturonic acid polymer.
The galacturonic acid residues can be methylesterified on the carboxyl group.
They report that the polysaccharide present is primarily galacturonic acid.
The galacturonic acid units are esterified with methanol to a varying degree.
Pectin may also be characterized by its degree of esterification or its galacturonic acid content.
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A sufficient amount of galacturonic acid oligosaccharide is advantageous for paediatric patients.
Typically esterification of the carboxyl groups occurs after polymerisation of the galacturonic acid residues.
The amount of pectin and galacturonic acid in each of the three samples was evaluated.
Methoxylation refers to methoxy groups replacing the hydroxy groups present on the galacturonic acid molecules.
The galacturonic acid molecules are naturally modified by methoxylation at a high percentage of the residues.
In process step c, advantageously galacturonic acid is employed as catalyst.
The galacturonic acid residues in pectin are partly esterified and present as the methyl ester.
Preferably, the non-digestible oligosaccharide is galacturonic acid oligosaccharide.
The unesterified galacturonic acid units formed by blockwise deesterification are highly reactive to polyvalent cations.
Uronic acid polymer, more preferably galacturonic acid units.
The acetosyringone and galacturonic acid are added to the MS medium after autoclaving.
Preferred examples include glucuronic acid, gluconic acid and galacturonic acid.
CLMP has a high galacturonic acid content and low levels of acetylation and neutral sugars.
Preparation of a composition for use containing 2 % by weight of galacturonic acid oligomers of the invention.
The solution of galacturonic acid oligomers was prepared as indicated in Example I.
After degradation, the degraded pectin is purified to eliminate galacturonic acid and its oligosaccharide.
The galacturonic acid oligosaccharide may be methoxylated and / or amidated.
Preferable the pectin lysate and / or the galacturonic acid oligosaccharide is prepared from bacterial production.
Galacturonic acid esters ; methyl galacturonate, ethyl galacturonate and propyl galacturonate.
Methoxylated galacturonic acid residues ;.
The present composition preferably comprises uronic acid oligosaccharides, more preferably galacturonic acid oligosaccharides.
Mannose, xylose and galacturonic acid are absent determined by chromatography.
More particularly, the said uronic acids are more particularly galacturonic acid and glucuronic acid.
The resulting galacturonic acid amount was quantified by the m-hydroxydiphenyl method.
By high-performance anion exchange chromatography oligomers of six galacturonic acid residues were separated and quantified.
Here, some of the galacturonic acid is converted with ammonia to carboxylic acid amide.
Use according to any of the preceding claims, wherein the composition comprises galacturonic acid oligosaccharides.
Additionally the galacturonic acid may be acetylated, in addition to the presence of methyl esters.
Preferably the present composition comprises fructo-oligosaccharides, galacto-oligosaccharides and galacturonic acid oligosaccharides.
However, galacturonic acid was clearly formed in increasing amounts with increased pectinase charges.
The present composition preferably further comprises galacturonic acid oligosaccharides, pectin and / or pectin degradation products.
The galacturonic acid methyl esterification level is estimated from the integrated galacturonic acid H-4 signals.
Example 1 In this example the cationic demand of pectin and galacturonic acid was determined.
Complete methoxylation of galacturonic acid is considered to be approximately DE 87 %.
The composition according to claim 14 or 15 further comprising galacturonic acid oligosaccharides.
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