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Abstract <p>The Saurashtra region in Gujarat, India has a population that relies on traditional fermented foods and is believed to contain beneficial microbes. However, the effectiveness of probiotic bacteria may vary depending on the individual gut microbiota and dietary habits. Therefore, there is a need to explore native microorganisms with abundant probiotic potential. The isolated bacteria demonstrated resilience against bile salts, intestinal and stomach juices, and pH levels of 2.0–3.0. Exopolysaccharide synthesis ranged from 700 to 900 mg/L. <i>Lacticaseibacillus</i> <i>rhamnosus</i> NHC4 (PP893081) presented cell counts at pH 2.0 (5.15&#xa0;log&#xa0;CFU/mL) and pH 3.0 (5.87 log CFU/mL), whereas <i>Lacticaseibacillus</i> <i>paracasei</i> NSD4 (PP911495) presented cell counts at pH 2.0 (5.53 log CFU/mL) and pH 3.0 (6.77 log CFU/mL). <i>L. paracasei</i> NSD4 displayed auto-aggregation of 84.4% and cell surface hydrophobicity of 70.27%. The antibacterial activity and coaggregation efficacy against <i>Salmonella enterica, Escherichia coli, Staphylococcus aureus,</i> and <i>Bacillus subtilis</i> were also examined. These native <i>Lactobacillus</i> isolates exhibit high probiotic potential, making them ideal for creating modern fermented foods rich in probiotic properties and efficacy.</p>

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Characterization and Probiotic Assessment of Lactobacillus Isolates from Saurashtra, Gujarat, India

  • 期刊论文

  • 发表日期：

    2025年4月18日

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  • N. Saxena,
  • S. Joshi,
  • S. Patel

摘要

Abstract

The Saurashtra region in Gujarat, India has a population that relies on traditional fermented foods and is believed to contain beneficial microbes. However, the effectiveness of probiotic bacteria may vary depending on the individual gut microbiota and dietary habits. Therefore, there is a need to explore native microorganisms with abundant probiotic potential. The isolated bacteria demonstrated resilience against bile salts, intestinal and stomach juices, and pH levels of 2.0–3.0. Exopolysaccharide synthesis ranged from 700 to 900 mg/L. Lacticaseibacillus rhamnosus NHC4 (PP893081) presented cell counts at pH 2.0 (5.15 log CFU/mL) and pH 3.0 (5.87 log CFU/mL), whereas Lacticaseibacillus paracasei NSD4 (PP911495) presented cell counts at pH 2.0 (5.53 log CFU/mL) and pH 3.0 (6.77 log CFU/mL). L. paracasei NSD4 displayed auto-aggregation of 84.4% and cell surface hydrophobicity of 70.27%. The antibacterial activity and coaggregation efficacy against Salmonella enterica, Escherichia coli, Staphylococcus aureus, and Bacillus subtilis were also examined. These native Lactobacillus isolates exhibit high probiotic potential, making them ideal for creating modern fermented foods rich in probiotic properties and efficacy.