Liu, Yantao published the artcileComparison and characterization of galactomannan at different developmental stages of Gleditsia sinensis Lam., HPLC of Formula: 59-23-4, the main research area is galactomannan Gleditsia growth; Galactomannan deposition; Gleditsia sinensis Lam.; Mannose to galactose ratio; Rheological properties; Solubility.
Pods from a Gleditsia sinensis Lam. tree were collected and the galactomannan content and other properties were determined at their different developmental stages. In green and immature seed, galactomannan was substituted to a great extent with a mannose to galactose (M/G) ratio of 2.4 from crude polysaccharides. During late galactomannan deposition, it was substituted to a lower extent and this ratio increased rapidly, reaching a M/G ratio of 3.1. Average mol. weight (Mw) of the extracted polysaccharides first increased, reached the maximum (1.19 × 106) at 17 wk after flowering (WAF), and then decreased. These changes might result from primary galactomannan biosynthesis and from galactose removal by α-galactosidase in the endosperm. The solubility of crude polysaccharides decreased with increased M/G ratio and maximum solubility was more than 89% that collected at 13 WAF. Rheol. properties showed that apparent viscosity was largely influenced by the mol. weight and M/G ratio of galactomannans.
Carbohydrate Polymers published new progress about Flowering. 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, HPLC of Formula: 59-23-4.
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