In vitro antioxidative properties of lactobacilli

  • H. S. Kim
  • , H. S. Chae
  • , S. G. Jeong
  • , J. S. Ham
  • , S. K. Im
  • , C. N. Ahn
  • , J. M. Lee

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

The antioxidative properties of lactobacilli originating from humans (Lactobacillus acidophilus KCTC 3111, Lactobacillus jonsonii KCTC 3141, Lactobacillus acidophilus KCTC 3151, and Lactobacillus brevis KCTC 3498) were investigated using in vitro methods, including inhibition of lipid peroxidation, resistance to hydrogen peroxide and hydroxyl radical, hydroxyl radical scavenging activity, and glutathione peroxidase (GPX) activity. L. acidophilus KCTC 3111 showed the highest inhibition of lipid peroxidation in both intact cells (49.7%) and cell lysate (65.2%). This strain exhibited resistance to hydrogen peroxide and hydroxyl radical, which was viable for 7 h in the concentration of 1.0 mM hydrogen peroxide. In addition, this strain showed high hydroxyl radical scavenging activity. In the GPX activity assay, the highest activity was measured in L. brevis 3498. GPX activity of L acidophilus 3111 was lower than that of L. brevis 3498.

Original languageEnglish
Pages (from-to)262-265
Number of pages4
JournalAsian-Australasian Journal of Animal Sciences
Volume19
Issue number2
DOIs
Publication statusPublished - Feb 2006
Externally publishedYes

Keywords

  • Free Radicals
  • Lactobacillus
  • Lipid Peroxidation

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