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Rhamnose (6-deoxy-L-mannose), a monosaccharide with the general formula C6Hl2O5 that exists in the optically active forms D-rhamnose, L-rhamnose, and racemate. Rhamnose is readily soluble in water and alcohol and participates in reactions that are characteristic of reducing sugars. The L-isomer occurs free in plants and also as a component of many plant and bacterial polysaccharides and plant glycosides. The D-isomer is only present in certain microorganic glycosides and polysaccharides.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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What is the bonds of raffinose?
Raffinose is a trisaccharide composed of three sugar units: galactose, glucose, and fructose. The bonds in raffinose include an α-1,6-glycosidic bond connecting galactose to glucose, and an α-1,2-glycosidic bond linking glucose to fructose. This structure makes raffinose a non-reducing sugar, which is not easily digested by humans, often leading to fermentation in the gut and causing gas production.
Which bacteria gives raffinose utilization test?
The bacteria Escherichia coli gives a positive result for the raffinose utilization test. This test is used to differentiate between bacterial species based on their ability to ferment raffinose, a trisaccharide sugar. If an organism can ferment raffinose, it will produce acid and gas, causing a drop in pH and the release of bubbles in the medium.
What is the chemical formula of raffinose?
C18H32O16
What trisaccharide can be converted by beta-galactosidase into maltose and galactose?
The trisaccharide that can be converted by beta-galactosidase into maltose and galactose is raffinose. Raffinose is composed of galactose, glucose, and fructose. When beta-galactosidase acts on raffinose, it hydrolyzes the galactose unit, resulting in the formation of maltose (glucose and glucose) and galactose.
What are the three monosaccharides in raffinose?
Raffinose is the trisaccharide of fructose, galactose and glucose. Its actual name is: beta-D-fructofuranosyl-O-alpha-D-galactopyranosyl-(1-6)-alpha-D-glucopyranoside.
Would raffinose react with benedicts reagent?
Benedicts reagent tests for reducing sugars, so the question is, is raffinose a reducing sugar. Raffinose is a trisaccharide made up of glucose, fructose and galactose. It is not a reducing sugar because all of its anomeric carbons are bonded, so it will not react with benedicts reagent.
What is the bonds of raffinose?
Raffinose is a trisaccharide composed of three sugar units: galactose, glucose, and fructose. The bonds in raffinose include an α-1,6-glycosidic bond connecting galactose to glucose, and an α-1,2-glycosidic bond linking glucose to fructose. This structure makes raffinose a non-reducing sugar, which is not easily digested by humans, often leading to fermentation in the gut and causing gas production.
Which bacteria gives raffinose utilization test?
The bacteria Escherichia coli gives a positive result for the raffinose utilization test. This test is used to differentiate between bacterial species based on their ability to ferment raffinose, a trisaccharide sugar. If an organism can ferment raffinose, it will produce acid and gas, causing a drop in pH and the release of bubbles in the medium.
What is the chemical formula of raffinose?
C18H32O16
What trisaccharide can be converted by beta-galactosidase into maltose and galactose?
The trisaccharide that can be converted by beta-galactosidase into maltose and galactose is raffinose. Raffinose is composed of galactose, glucose, and fructose. When beta-galactosidase acts on raffinose, it hydrolyzes the galactose unit, resulting in the formation of maltose (glucose and glucose) and galactose.
What is the Name of trisaccharide found in asparagus?
You are probably referring to raffinose - a trisaccharide found in many fibrous vegetables. You can find more information online at: http://www.absoluteastronomy.com/topics/Raffinose
What is trisaccharide?
A carbohydrate containing three monosaccharide residues, e.g., raffinose.
Is raffinose capable of mutarotation?
No, raffinose is not capable of mutarotation. It is a trisaccharide consisting of galactose, glucose and fructose monomers connected by glycosidic bonds. The glycosidic bonds lock the three rings in their cyclic forms making it so that mutarotation will not be possible.
What sugars do baker's yeast react with?
fructose, sucrose, glucose, manndose, raffinose, and maltose
What condition do beans cause because you lack the enzymes to digest such carbohydrates as raffinose and stachyose?
Flatulence
What are the three monosaccharides in raffinose?
Raffinose is the trisaccharide of fructose, galactose and glucose. Its actual name is: beta-D-fructofuranosyl-O-alpha-D-galactopyranosyl-(1-6)-alpha-D-glucopyranoside.
What is a trisaccharide?
A trisaccharide is a type of carbohydrate composed of three sugar units linked together. Examples of trisaccharides include raffinose and maltotriose. They play a role in energy storage in plants and can be found in various foods.
