Cited by 95Probiotics and Fermented FoodsFood Quality and Safety StudiesInfant Nutrition and Health

Isolation of Lactic Acid Bacteria Showing Antioxidative and Probiotic Activities from Kimchi and Infant Feces

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Ji, Keunho, Jang, Na Young, Kim, Young Tae·2015·Journal of Microbiology and Biotechnology

Abstract

The purpose of this study was to investigate lactic acid bacteria with antioxidative and probiotic activities isolated from Korean healthy infant feces and kimchi. Isolates A1, A2, S1, S2, and S3 were assigned to Lactobacillus sp. and isolates A3, A4, E1, E2, E3, and E4 were assigned to Leuconostoc sp. on the basis of their physiological properties and 16S ribosomal DNA sequence analysis. Most strains were confirmed as safe bioresources through nonhemolytic activities and non-production of harmful enzymes such as β-glucosidase, β- glucuronidase and tryptophanase. The 11 isolates showed different resistance to acid and bile acids. In addition, they exhibited antibacterial activity against foodborne bacteria, especially Bacillus cereus, Listeria monocytogenes, and Escherichia coli. Furthermore, all strains showed significantly high levels of hydrophobicity. The antioxidant effects of culture filtrates of the 11 strains included 2,2-diphenyl-1-picryl-hydrazyl (DPPH) radical scavenging capacity, 2.2'- azino-bis (2-ethylbenzthiazoline-6-sulfonic acid) (ABTS) radical cation scavenging activity, and superoxide dismutase activity. The results revealed that most of the culture filtrates have effective scavenging activity for DPPH and ABTS radicals. All strains appeared to have effective superoxide dismutase activity. In conclusion, the isolated strains A1, A3, S1, and S3 have significant probiotic activities applicable to the development of functional foods and health-related products. These strains might also contribute to preventing and controlling several diseases associated with oxidative stress, when used as probiotics.

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  • Numerous studies have evaluated ABTS cation radical and linoleic acid peroxidation as metrics for assessing reducing power of CFS of LAB, confirming significant antioxidant potential in these microorganisms.

    “Similarly, numerous studies have evaluated the ability of the ABTS cation radical and linoleic acid peroxidation as metrics for assessing the reducing power of CFS of LAB, confirming significant antioxidant potential in these microorganisms23,70.”

    From Probiotic potential of Lactobacillus acidophilus TMPC 41127 isolated from traditional cheese in inhibiting Salmonella Typhi biofilms and virulence genes (2026) · cites this paper as [70]

    The section “Each Strain Culture Filtrate Scavenged DPPH and ABTs Radicals” reports ABTS testing of LAB culture filtrates and describes their antioxidant activity as high; no page number is available in our copy. The paper reports DPPH as the other assay, not linoleic acid peroxidation, and this single study does not itself establish that numerous studies used both metrics. (LLM, conf=0.88)

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  1. Madigan M, Martinko J, Parker J. 2006. Control del crecimiento microbiano, pp. 725-727. In Brock, Biología de los microorganismos. 10th Ed. Prentice Hall Iberia, Madrid.

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Authors
Ji, K., Jang, N. Y., & Kim, Y. T.
Affiliations
Pukyong National University (KR)
Corresponding author
Kim, Young Tae
Venue
Journal of Microbiology and Biotechnology
Published
2015-09-28
Volume
25
Issue
9
Pages
1568-1577
ISSN
  • 1017-7825 (ISSN-L)
  • 1738-8872
OpenAlex
W2406182485
Cited by
94
References
33
Citations by year
2026: 2 · 2025: 4 · 2024: 12 · 2023: 8 · 2022: 11 · 2021: 13 · 2020: 16 · 2019: 7 · 2018: 10 · 2017: 10 · 2016: 1
FWCI
9.37
Type
journal article
Language
en
Open access
Locations
  • Journal of Microbiology and Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Research Foundation
  • National Research Foundation of Korea
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Food Quality and Safety Studies
  • Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
Keywords
lactic acid bacteria, probiotic activity, antioxidant activity, kimchi, infant feces, Lactobacillus, Leuconostoc, acid and bile tolerance, antibacterial activity, hydrophobicity, superoxide dismutase activity, DPPH radical scavenging, ABTS radical scavenging, functional foods, oxidative stress
MeSH terms
Acids, Antibiosis, Antioxidants, DNA, Bacterial, DNA, Ribosomal, Enzymes, Feces, Food Microbiology, Hemolysin Proteins, Humans, Infant, Lactobacillus, Leuconostoc, Phylogeny, RNA, Ribosomal, 16S, Cluster Analysis, Sequence Analysis, DNA, Probiotics, Microbial Viability

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