Ultrasonic-assisted extraction of a low molecular weight polysaccharide from Nostoc commune Vaucher and its structural characterization and immunomodulatory activity

Pan, Ying; Liu, Chunjuan; Jiang, Shuo; Guan, Lili; Liu, Xinyao; Wen, Liankui

doi:10.1016/j.ultsonch.2024.106961

Ultrasonics Sonochemistry

2024

DOI: 10.1016/j.ultsonch.2024.106961

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Ultrasonic-assisted extraction of a low molecular weight polysaccharide from Nostoc commune Vaucher and its structural characterization and immunomodulatory activity

Ying Pan,

Chunjuan Liu,

Shuo Jiang

et al.

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2024

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Cited by 3 publications

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Structure elucidation and molecular mechanism of an immunomodulatory polysaccharide from Nostoc commune

Yang,

Ren,

Sun

et al. 2024

International Journal of Biological Macromolecules

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Structure elucidation and molecular mechanism of an immunomodulatory polysaccharide from Nostoc commune

Yang,

Ren,

Sun

et al. 2024

International Journal of Biological Macromolecules

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Pectic polysaccharides from Tartary buckwheat sprouts: Effects of ultrasound-assisted Fenton treatment and mild alkali treatment on their physicochemical characteristics and biological functions

Li,

Wang,

Qu Mo

et al. 2024

Ultrasonics Sonochemistry

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Optimization of Ultrasonic-Assisted Extraction, Characterization and Antioxidant and Immunoregulatory Activities of Arthrospira platensis Polysaccharides

Wang,

Qin,

Chen

et al. 2024

Molecules

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This study aimed to enhance the ultrasonic-assisted extraction (UAE) yield of seawater Arthrospira platensis polysaccharides (APPs) and investigate its structural characteristics and bioactivities. The optimization of UAE achieved a maximum crude polysaccharides yield of 14.78%. The optimal extraction conditions were a liquid–solid ratio of 30.00 mL/g, extraction temperature of 81 °C, ultrasonic power at 92 W and extraction time at 30 min. After purification through cellulose DEAE-52 and Sephadex G-100 columns, two polysaccharide elutions (APP-1 and APP-2) were obtained. APP-2 had stronger antioxidant and immunoregulatory activities than APP-1, thus the characterization of APP-2 was conducted. APP-2 was an acidic polysaccharide consisting of rhamnose, glucose, mannose and glucuronic acid at a ratio of 1.00:24.21:7.63:1.53. It possessed a molecular weight of 72.48 kDa. Additionally, APP-2 had linear and irregular spherical particles and amorphous structures, which contained pyranoid polysaccharides with alpha/beta glycosidic bonds. These findings offered the foundation for APP-2 as an antioxidant and immunomodulator applied in the food, pharmaceutical and cosmetic industries.

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Ultrasonic-assisted extraction of a low molecular weight polysaccharide from Nostoc commune Vaucher and its structural characterization and immunomodulatory activity

Cited by 3 publications

References 83 publications

Structure elucidation and molecular mechanism of an immunomodulatory polysaccharide from Nostoc commune

Structure elucidation and molecular mechanism of an immunomodulatory polysaccharide from Nostoc commune

Pectic polysaccharides from Tartary buckwheat sprouts: Effects of ultrasound-assisted Fenton treatment and mild alkali treatment on their physicochemical characteristics and biological functions

Optimization of Ultrasonic-Assisted Extraction, Characterization and Antioxidant and Immunoregulatory Activities of Arthrospira platensis Polysaccharides

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