Publications by authors named "Kuiyao Peng"

Article Synopsis
  • The study investigates the nutritional needs for the growth and production of free exopolysaccharide (f-EPS) by the bacterium Streptococcus thermophilus, which has health benefits and is used as a texture modifier.
  • Key nutrients like cysteine, glutamine, and specific B vitamins were identified as crucial for the stable growth of S. thermophilus 937, while lactose and certain amino acids significantly enhanced f-EPS production.
  • Optimal conditions for maximum f-EPS yield were found with 20 g·L of lactose and a combination of three amino acids at 15 mM, indicating a synergistic effect between these nutrients on f-EPS production.
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Abstract: Kefir is an acidic-alcoholic fermented milk that can provide probiotic benefits, such as intestinal microecological balance regulation, antibacterial activity, and anti-inflammatory activity. In this study, Lactobacillus fermentum grx08 isolated from longevous people was used to further improve the health properties of kefir. L.

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