Cited by 39Polysaccharides Composition and ApplicationsBiopolymer Synthesis and ApplicationsSeaweed-derived Bioactive Compounds

A novel exopolysaccharide from deep-sea bacterium Zunongwangia profunda SM-A87: Low-cost fermentation, moisture retention, and antioxidant activities

Sun, Mei-Ling, Liu, Sheng-Bo, Qiao, Li-Ping, Chen, Xiu-Lan, Pang, Xiuhua, Shi, Mei, Zhang, Xi-Ying, Qin, Qi-Long +3 more·2014·Applied Microbiology and Biotechnology

Abstract

Many marine microorganisms can secrete exopolysaccharides (EPSs) which have important applications in biotechnology. We have purified a novel EPS from deep-sea bacterium Zunongwangia profunda SM-A87, identified its glycosyl composition and linkage, and optimized its production to 8.9 g/l in previous studies. To reduce the fermentation cost, an economical fermentation medium containing 60.9 % whey, 10 g/l soybean meal, and 2.9 % NaCl was developed. The EPS yield of batch fermentation in this medium reached 12.1 ± 0.3 g/l. Fed-batch fermentation was conducted and led to an EPS yield of 17.2 ± 0.4 g/l, which represents the highest EPS yield ever reported for a marine bacterium. The EPS was extracted and it displayed good rheological properties, moisture-retention ability, and antioxidant activity. Particularly, its moisture-retention ability is superior to that of other marine bacterial EPSs reported to date. SM-A87 EPS also showed high antioxidant activity. These results suggest that SM-A87 EPS has promising potentials in biotechnology.

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Crossref · 10.1007/s00253-014-5839-8

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Authors
Sun, M.-L., Liu, S.-B., Qiao, L.-P., Chen, X.-L., Pang, X., Shi, M., Zhang, X.-Y., Qin, Q.-L., Zhou, B.-C., Zhang, Y.-Z., & Xie, B.-B.
Affiliations
Shandong University (CN)
Corresponding author
Xie, Bin-Bin
Venue
Applied Microbiology and Biotechnology
Published
2014-05-29
Volume
98
Issue
17
Pages
7437-7445
ISSN
  • 0175-7598 (ISSN-L)
  • 1432-0614
OpenAlex
W1964883470
Cited by
39
References
45
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 4 · 2022: 7 · 2021: 1 · 2020: 4 · 2019: 4 · 2018: 4 · 2017: 3 · 2016: 3 · 2015: 4
FWCI
4.77
Type
journal article
Language
en
Open access
closed
Locations
  • Applied Microbiology and Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biopolymer Synthesis and Applications
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
Keywords
exopolysaccharides, deep-sea bacteria, fermentation medium optimization, fed-batch fermentation, rheological properties, moisture retention, antioxidant activity
MeSH terms
Antioxidants, Culture Media, Fermentation, Polysaccharides, Bacterial, Flavobacteriaceae, Hygroscopic Agents, Aquatic Organisms

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