Microbial exopolysaccharides (EPS) are valued as safe, functional bio-ingredients in food. Produced by microorganisms like lactic acid bacteria (LAB), they enhance the rheological and sensory properties of food products. In this study, C66 (EPS-C66), was utilized to produce EPS. EPS-C66 was isolated, purified, and characterized for its rheological properties and biofunctionalities. Molecular weight was 3.7 × 10 Da. Three monosaccharides (arabinose, mannose, and glucose) were identified. At 10 mg/mL, EPS-C66 exhibited significant scavenging activity against DPPH and ABTS radicals, achieving 67.9 % and 31.3 %, respectively. Additionally, it reduced the viability of Caco-2 and MCF-7 cancer cells by 93.7 % and 61.4 %, respectively. EPS-C66 also demonstrated antibacterial effects against and with ranges of 5.9, 6.1, 6.0, and 5.7 log CFU/mL, respectively. The current study highlights that EPS-C66 can enhance the health benefits and rheological properties of foods, contributing to the development of novel functional foods.
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| http://dx.doi.org/10.1016/j.fochx.2025.102164 | DOI Listing |
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