J Vet Sci.  2017 Mar;18(1):95-99. 10.4142/jvs.2017.18.1.95.

Probiotic properties and adsorption of Enterococcus faecalis PSCT3-7 to vermiculite

  • 1Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea. parksch@knu.ac.kr
  • 2Lovelace Respiratory Research Institute, Albuquerque, NM 87108, USA.
  • 3Laboratory of Veterinary Toxicology, College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Korea.
  • 4Department of Food Science and Technology, Keimyung University, Daegu 42601, Korea.
  • 5Center for Nutraceutical and Pharmaceutical Materials, Department of Bioscience and Bioinformatics, Myongji University, Yongin 17058, Korea. parksch@knu.ac.kr


The probiotic properties of Enterococcus (E.) faecalis PSCT3-7, a new strain isolated from the intestines of pigs fed dietary fiber containing 50% sawdust, were investigated. E. faecalis PSCT3-7 tolerated a pH range of 3 to 8 and 0.3% bile salts, and it inhibited the growth of Salmonella Typhimurium in a concentration-dependent manner. In addition, E. faecalis showed resistance to several antibacterial agents. Vermiculite, a nutrient and microbial carrier, increased the bile tolerance of the strain. Scanning electron microscope images revealed good adsorption of E. faecalis PSCT3-7 onto vermiculite. E. faecalis PSCT3-7 represents a potential probiotic candidate to administer with vermiculite to swine.


Enterococcus faecalis; Salmonella Typhimurium; lactic acid bacteria; probiotics; swine
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