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Published on: April 11, 2016
[Analysis of monosaccharide compositions in Heterosmilax japonica polysaccharide by precolumn derivation HPLC]
Jing Han1, Xiao-Hui Chen, Li-Xin Sun
1Shenyang Pharmaceutical University, Shenyang 110016, China. hanjing0591@yahoo.cn
Objective:
To establish precolumn derivation HPLC method to determine the monosaccharides in Heterosmilax japonica polysaccharide.
Methods:
Heterosmilax japonica sample was hydrolyzed with trifluoroacetic (TFA)and derivated by 1-phenyl-3-methyl-5-pyrazolone (PMP). The monosaccharide composition of Heterosmilax japonica polysaccharide was carried out by reversed-phase technique on a Kromasil C18 column with a mobile phase composed of 100 mmol/L ammonium acetate buffer (pH5.5) and acetonitrile in the ratio of 77: 23. The detection was carried out at 245 nm.
Results:
The Heterosmilax japonica polysaccharide composed of mannose, rhamnose, glucose, galactose and xylose with amolar ratio of 66: 1:7590: 452: 528.
Conclusion:
The HPLC method with precolumn derivatization is appropriate for the analysis of monosaccharide composition of Heterosmilax japonica polysaccharide and the method is simple, quick and accurate.
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