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Changes of the Physicochemical Properties and Structural Characteristics of Alkali-Extracted Polysaccharides from Across the Growth Process. | LitMetric

Changes of the Physicochemical Properties and Structural Characteristics of Alkali-Extracted Polysaccharides from Across the Growth Process.

J Agric Food Chem

State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang, Jiangxi Province 330047, China.

Published: June 2024

AI Article Synopsis

Article Abstract

Polysaccharides derived from have been demonstrated to exhibit various bioactivities. However, studies on their structural characteristics during the growth process are limited. This study aimed to compare the physicochemical properties and structural characteristics of alkali-extracted polysaccharides from fruiting bodies (JACP) across four growth stages. Results showed that the extraction yields and protein levels of JACP declined along with the growth of , while the contents of neutral sugar and glucose increased significantly. However, JACP exhibited structural characteristics similar to those across the four stages. Four polysaccharide subfractions were isolated from each growth stage, including JACP-Et30, JACP-Et50, JACP-Et60, and JACP-Et70. JACP-Et30 from the four stages and JACP-Et50 from the initial three stages were identified as heteroglucans with β-1,3-d-Glc and β-1,6-d-Glc residues as main chains, respectively. However, other subfractions were considered as β-1,6-d-glucans containing minor glucuronic acid. These subfractions were predominantly replaced by Glc residues at the -3 and -6 positions. Overall, while JACP exhibited variable physicochemical properties, its structural characteristics remained stable during the growth process, offering new insights into its potential applications in the food and medicinal industries.

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Source
http://dx.doi.org/10.1021/acs.jafc.4c02218DOI Listing

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