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2.6. Fourier Transform Infrared (FTIR) Spectroscopy

YD Yan Dai
LW Lei Wang
XC Xingyi Chen
AS Angxin Song
LH Laping He
LW Lingyuan Wang
DH Diandian Huang
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The FTIR spectra of LES polysaccharides were analyzed by FT-IR spectroscopy (PerkinElmer Frontier, Waltham, MA, USA). The polysaccharide sample was mixed with the dried spectroscopic-grade KBr powder (baked at 400 °C for 30 min, the ratio of the KBr/sample is 100/1) and then pressed into a tablet for FT-IR spectroscopy measurement. The scanning range is 4000 to 400 cm−1, the resolution is 4 cm−1, and the number of scans is 32.

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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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