Xu, Wei published the artcilePhysicochemical characterization of Gleditsia triacanthos galactomannan during deposition and maturation, Synthetic Route of 59-23-4, the main research area is Gleditsia maturation galactomannan rheol physiochem; Galactomannans; Gleditsia triacanthos; M/G ratio; Molecular weight; Viscosity.
Gleditsia triacanthos polysaccharide, known as galactomannan, has not been exploited as a new functional material even though it possesses industrial potential in food and biomedicine. Galactomannans were recovered from the endosperm of seeds (15 wk to 25 wk after flowering) for deposition and maturation anal. These galactomannans were characterized by using NMR (NMR), X-ray diffraction (XRD), and monosaccharide composition anal. (particularly the mannose to galactose ratio) and mol. weight, solubility, and rheol. measurements. The ratio of the three parts in mature seeds was as follows: endosperm (36.67%), hull (34.41%), and embryo (28.92%). The M/G ratio increased from 2.53 to 3.24 between 15 and 23 wk and then decreased to 3.16 in 25 wk, consistent with the trends of rheol. and solubility The mol. weight (1.28 × 106 g/mol) and intrinsic viscosity (882.53 mL/g) reached the maximum at 23 wk and then decreased. Addnl., NMR and XRD showed that the M/G ratio did not change the basic chem. structure but caused slight changes in crystallinity. The purpose of the study was to reveal the changes in galactomannan structure, rheol., and solubility during G. triacanthos galactomannan deposition and maturation to facilitate exploration of its potential industrial applications.
International Journal of Biological Macromolecules published new progress about Embryo, plant. 59-23-4 belongs to class alcohols-buliding-blocks, name is (2R,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal, and the molecular formula is C6H12O6, Synthetic Route of 59-23-4.
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