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Structural investigation of a heteropolysaccharide isolated from the pods (fruits) of Moringa oleifera (Sajina) |
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| Authors: | Roy Sadhan K Chandra Krishnendu Ghosh Kaushik Mondal Subhas Maiti Debabrata Ojha Arnab K Das Debsankar Mondal Soumitra Chakraborty Indranil Islam Syed S |
| Institution: | Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India. |
| Abstract: | A water-soluble polysaccharide was isolated from the aqueous extract of pods of Moringa oleifera. The polysaccharide contains d-galactose, 6-O-Me-D-galactose, D-galacturonic acid, l-arabinose, and l-rhamnose in a molar ratio of 1:1:1:1:1. On the basis of total hydrolysis, methylation analysis, periodate oxidation, and NMR ((1)H, (13)C, TOCSY, DQF-COSY, NOESY, ROESY, HSQC, and HMBC) studies, the repeating unit of the polysaccharide is established as structure: see text]. |
| Keywords: | Moringa oleifera Polysaccharide Structure NMR analysis |
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