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Antioxidant and immunomodulatory activity of selenium exopolysaccharide produced by Lactococcus lactis subsp. lactis
Abstract
Exopolysaccharide (EPS) was isolated and purified from Lactococcus lactis subsp. Lactis culture broth. Selenium chloride oxide (SeCl(2)O) was added to the EPS to synthesize selenium-exopolysaccharide (Se-EPS). The in vitro and in vivo antioxidant and in vivo immunomodulatory activity of EPS and Se-EPS were compared. EPS and Se-EPS scavenged superoxide anions and hydroxyl radicals. They also increased catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activity, while decreasing malondialdehyde (MDA) levels in serum and in the livers of mice. Se-EPS showed stronger in vitro and in vivo antioxidant activity than were shown by EPS. The in vivo immunoenhancement activity of EPS and Se-EPS induced by cyclophosphamide (CY) treatment in immunosuppressed mice was researched. EPS and Se-EPS treatments increased macrophage phagocytosis, spleen and thymus indices and haemolytic complement activity (HC(50)). Se-EPS showed stronger immunomodulatory activity than did EPS.
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“some EPS produced from different LAB species with antioxidant activity have also shown the ability to exert other beneficial effects such as immunomodulatory and anti-inflammatory properties, suggesting a potential correlation [109,119,124,125,126].”
From Lactic Acid Bacteria Exopolysaccharides Producers: A Sustainable Tool for Functional Foods (2021) · cites this paper as [124]
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Metadata
- Authors
- Guo, Y., Pan, D., Li, H., Sun, Y., Zeng, X., & Yan, B.
- Affiliations
- Nanjing Normal University (CN)
- Ningbo University (CN)
- Corresponding author
- Pan, Daodong
- Venue
- Food Chemistry
- Publisher
- Elsevier BV
- Published
- 2013-05
- Volume
- 138
- Issue
- 1
- Pages
- 84-89
- ISSN
- 0308-8146 (ISSN-L)
- OpenAlex
- W1987288467
- Cited by
- 149
- References
- 26
- Citations by year
- 2026: 6 · 2025: 9 · 2024: 12 · 2023: 9 · 2022: 19 · 2021: 11 · 2020: 17 · 2019: 15 · 2018: 11 · 2017: 13 · 2016: 7 · 2015: 4 · 2014: 11 · 2013: 5
- FWCI
- 9.82
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Food Chemistry (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Natural Science Foundation of China (30972130, 31101314, 41276121)
- State Science and Technology Ministry of the People’s Republic of China (2012BAK08B01)
- Natural Science Foundation of Zhejiang Province (Z3110211)
- Natural Science Foundation of Jiangsu Province (BK2011787)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
- Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
- Keywords
- Lactococcus lactis subsp. lactis, exopolysaccharides, antioxidant activity, immunomodulatory activity, superoxide radical scavenging, hydroxyl radical scavenging, antioxidant enzymes, lipid peroxidation, macrophage phagocytosis, immunosuppression, cyclophosphamide, lactic acid bacteria
- MeSH terms
- Animals, Antioxidants, Female, Immunologic Factors, Macrophages, Male, Mice, Inbred ICR, Phagocytosis, Polysaccharides, Bacterial, Selenium, Lactococcus lactis, Mice
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