2022
DOI: 10.1080/10942912.2022.2125013
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Extraction, structure analysis and antioxidant activity of Sibiraea laevigata (L.) Maxim polysaccharide

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Cited by 6 publications
(4 citation statements)
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“…The carbonyl absorption peak is a strong C=O stretching absorption band in the 1900–1600 cm-1 region, and I01-2 and I01-4 each have an absorption peak at 1653 and 1632 cm −1 , respectively, corresponding to the characteristic peak of C=O and indicating the presence of uronic acid [ 43 ]. Moreover, the absorption peaks at 1416 was attributed to the stretching vibrations of carboxylic groups (COO-), which indicated that the purified I01-4 was acidic polysaccharides, and the locations of these peaks was similar to the study of Sibiraea laevigata (L.) Maxim polysaccharides by FT-IR [ 44 ]. The 1260 cm −1 of I01-4 were assigned to O-H deformation vibrations [ 45 ].…”
Section: Resultsmentioning
confidence: 53%
“…The carbonyl absorption peak is a strong C=O stretching absorption band in the 1900–1600 cm-1 region, and I01-2 and I01-4 each have an absorption peak at 1653 and 1632 cm −1 , respectively, corresponding to the characteristic peak of C=O and indicating the presence of uronic acid [ 43 ]. Moreover, the absorption peaks at 1416 was attributed to the stretching vibrations of carboxylic groups (COO-), which indicated that the purified I01-4 was acidic polysaccharides, and the locations of these peaks was similar to the study of Sibiraea laevigata (L.) Maxim polysaccharides by FT-IR [ 44 ]. The 1260 cm −1 of I01-4 were assigned to O-H deformation vibrations [ 45 ].…”
Section: Resultsmentioning
confidence: 53%
“…Glucuronide with a content of 108.08 is composed of Gal‐UA and Glc‐UA. The ratio of Ara, Glc, and Gal‐UA for purified APs was 22.36:34.46:31.32, which indicates that the purified APs are mainly composed of acidic polysaccharides (Yang, Yang, et al., 2022; Zhu et al., 2022).…”
Section: Resultsmentioning
confidence: 96%
“…The solution was first filtered through a microporous membrane (0.45 µm) and purified by 100, 30, and 10 kDa ultrafiltration membrane successively. Finally, the polysaccharide with relative molecular weight <10 kDa was obtained and lyophilized before further use (Yang, Yang, et al., 2022). Polysaccharide content was measured by the phenol–sulfuric acid method with d ‐glucose as the standard.…”
Section: Methodsmentioning
confidence: 99%
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