STUDIES ON CHEMICAL STRUCTURE OF TWO POLYSACCHARIDES FROM FRUITING BODIES OF GANODERMA LUCIDUM
Xing Zeng
Abstract
Xing Zeng
Abstract
The chemical and physical characters of polysaccharides P32A and P32B of Ganoderma lucidum were studied.The homogeneous polysaccharides molecular weight were determined by HPLC.P32A MW was 506,322 and P32B MW 287,389.Their structures were identified on the basis of chemical method (sugar component analysis,methylation analysis,partial acid hydrolysis,etc.)and spectral methods( 13 C NMR,GC MS,etc.).P32A mainly consists of Rha,Xyl,Man and Glc,and their molar ratios are 4 3∶2 6∶6 3∶11 4.P32B also mainly consists of Rha,Xyl,Man and Glc,and their molar ratios are 1 2∶1 0∶2 1∶9 2.The main chain of P32A is 1→4 Glc and P32B is 1→3 Glc.
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The chemical and physical characters of polysaccharides P32A and P32B of Ganoderma lucidum were studied.The homogeneous polysaccharides molecular weight were determined by HPLC.P32A MW was 506,322 and P32B MW 287,389.Their structures were identified on the basis of chemical method (sugar component analysis,methylation analysis,partial acid hydrolysis,etc.)and spectral methods( 13 C NMR,GC MS,etc.).P32A mainly consists of Rha,Xyl,Man and Glc,and their molar ratios are 4 3∶2 6∶6 3∶11 4.P32B also mainly consists of Rha,Xyl,Man and Glc,and their molar ratios are 1 2∶1 0∶2 1∶9 2.The main chain of P32A is 1→4 Glc and P32B is 1→3 Glc.
Key concepts: Polysaccharide, Chemistry, Chemical structure, Ganoderma lucidum, Sugar, Hydrolysis, Acid hydrolysis, Homogeneous