Abstract
This paper systematically studies the composition of polysaccharides and monosaccharides in four species of blueberries( fresh fruit),i. e. Northland,Bluecrop,Patriot and Duke. The monosaccharides were extracted by ethanol solution and polysaccharides via purified water. Spectrophotometry and GC precolumn derivatization were used to study the composition of polysaccharides and monosaccharides on the above four species of blueberries( fresh fruit). The results indicated that the total amount of free monosaccharides were between 24. 18 and 33. 18 mg / g,while Bluecrop had the highest amount of free monosaccharides. The predominant three free monosaccharides were fructose,glucose and galactose. And the content of fructose accounted for 93% among all free monosaccharides. As with polysaccharides,the total amount of them were between 3. 54 and 5. 87 mg / g( fresh fruit),while the patriot had the highest amount. Also the study showed that polysaccharides from four different species of blueberries were all contain erythrose,arabinose,rhamnose,fucose,xylose,fructose,galactose and glucose,and the predominant three were fructose,glucose and galactose.
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Claims 10
Claim · model-written summary
Free monosaccharides in blueberry fruit ranged from 24. 18 to 33. 18 mg / g.
Verbatim
t0“blueberries”
e0“the total amount of free monosaccharides were between 24. 18 and 33. 18 mg / g”
Claim · model-written summary
Bluecrop had the highest free monosaccharide amount.
Verbatim
t0“blueberries”
e0“Bluecrop had the highest amount of free monosaccharides”
Claim · model-written summary
Fructose, glucose and galactose were the predominant free monosaccharides.
Verbatim
t0“blueberries”
e0“The predominant three free monosaccharides were fructose,glucose and galactose.”
Claim · model-written summary
Fructose accounted for 93% of blueberry free monosaccharides.
Verbatim
t0“blueberries”
e0“the content of fructose accounted for 93% among all free monosaccharides”
Claim · model-written summary
Blueberry fruit polysaccharides ranged from 3. 54 to 5. 87 mg / g.
Verbatim
t0“blueberries”
e0“the total amount of them were between 3. 54 and 5. 87 mg / g( fresh fruit)”
Claim · model-written summary
Patriot had the highest total polysaccharide amount.
Verbatim
t0“blueberries”
e0“the patriot had the highest amount”
e1“As with polysaccharides,the total amount of them were between 3. 54 and 5. 87 mg / g( fresh fruit)”
Claim · model-written summary
All four blueberry species had erythrose, arabinose and rhamnose in polysaccharides.
Verbatim
t0“blueberries”
e0“polysaccharides from four different species of blueberries were all contain erythrose,arabinose,rhamnose,fucose,xylose,fructose,galactose and glucose”
Claim · model-written summary
All four blueberry species had fucose, xylose and fructose in polysaccharides.
Verbatim
t0“blueberries”
e0“polysaccharides from four different species of blueberries were all contain erythrose,arabinose,rhamnose,fucose,xylose,fructose,galactose and glucose”
Claim · model-written summary
All four blueberry species had galactose and glucose in polysaccharides.
Verbatim
t0“blueberries”
e0“polysaccharides from four different species of blueberries were all contain erythrose,arabinose,rhamnose,fucose,xylose,fructose,galactose and glucose”
Claim · model-written summary
Fructose, glucose and galactose predominated among blueberry polysaccharide sugars.
Verbatim
t0“blueberries”
e0“the predominant three were fructose,glucose and galactose.”
e1“Also the study showed that polysaccharides from four different species of blueberries”