Wine fermentation process evaluation through NMR analysis: Polysaccharides, ethanol quantification and biological activity

Cordeiro, Adriana Rute; de Lacerda Bezerra, Iglesias; Santana-Filho, Arquimedes Paixão; Benedetti, Philippe Rodrigues; Ingberman, Max; Sassaki, Guilherme Lanzi

doi:10.1016/j.foodchem.2024.139531

Food Chemistry

2024

DOI: 10.1016/j.foodchem.2024.139531

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Wine fermentation process evaluation through NMR analysis: Polysaccharides, ethanol quantification and biological activity

Adriana Rute Cordeiro,

Iglesias de Lacerda Bezerra,

Arquimedes Paixão Santana-Filho

et al.

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Water-Soluble Intracellular Polysaccharides (IPSW-2 to 4) from Phellinus igniarius Mycelia: Fractionation, Structural Elucidation, and Antioxidant Activity

Boateng,

Yang

2024

Foods

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Phellinus igniarius is a medicinal fungus. Nonetheless, research on its water-soluble intracellular polysaccharides (IPSW-2 to 4) fractionation, structural elucidation, and antioxidant activity is limited. In this study, water-soluble intracellular polysaccharides (IPSW-2 to 4) were extracted and fractionated from P. igniarius mycelia, and their antioxidant and structural properties were assessed using GC-FID, GC-MS, FTIR, and NMR spectroscopy (1H and 13C). In the water-eluted P. igniarius polysaccharide fractions (IPS30W, IPS60W, and IPS80W) of anion-exchange chromatography, the polysaccharide content was 79.05%, 68.25%, and 62.06%, with higher yields of 25.07%, 21.38%, and 20.34%, respectively. In contrast, the salt (NaCl) elution fractions (IPS30S1, IPS60S1, IPS60S2, and IPS80S1) of anion-exchange chromatography had lower polysaccharide content and yield. Hence, water elution fractions (IPS30W, IPS60W, and IPS80W) were selected for further purification. After repeated purification using size-exclusion chromatography, IPSW-2 to 4 were obtained with a yield of 8% to 15.83%. The IPSW-2 to IPSW-4 structures were elucidated, and they showed no triple helical conformation. Based on periodate oxidation, Smith degradation, methylation analysis, and 1H and 13C NMR spectroscopy, the primary structures of IPSW-2, IPSW-3, and IPSW-4 were all glucan, with the main chain consisting of (1→6)-α-D-Glcp, (1→3,4)-α-D-Glcp, and (1→3, 6)-α-D-Glcp, with α-D-Glcp as a side chain. Finally, antioxidant analysis showed that IPS30W, IPS60W, and IPS80W were all more capable of scavenging superoxide anions than the polysaccharides of Phyllostachys (13.8%) and floribunda (15.1%) at the same concentration (0.40 mg/mL). This will serve as a guide for the development of functional foods.

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Water-Soluble Intracellular Polysaccharides (IPSW-2 to 4) from Phellinus igniarius Mycelia: Fractionation, Structural Elucidation, and Antioxidant Activity

Boateng,

Yang

2024

Foods

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show abstract

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Wine fermentation process evaluation through NMR analysis: Polysaccharides, ethanol quantification and biological activity

Cited by 1 publication

References 39 publications

Water-Soluble Intracellular Polysaccharides (IPSW-2 to 4) from Phellinus igniarius Mycelia: Fractionation, Structural Elucidation, and Antioxidant Activity

Water-Soluble Intracellular Polysaccharides (IPSW-2 to 4) from Phellinus igniarius Mycelia: Fractionation, Structural Elucidation, and Antioxidant Activity

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