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. 2022 May 31;9:898674. doi: 10.3389/fnut.2022.898674

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Copyright © 2022 Miao, Yu, Li, Sun and Guo.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Chemical reactions related to PMP derivatization, periodate oxidation-smith degradation, and methylation. (A) Polysaccharide hydrolysis and monosaccharide derivatization with PMP; (B) chemical reactions of periodate oxidation-Smith degradation; (C) chemical reactions that involved in polysaccharide methylation. PMP: 1-phenyl-3-methyl-5-pyrazolone.