The in vitro and in vivo safety evaluation of lactobacillus acidophilus IDCC 3302

Won Yeong Bang, Seung A. Chae, O. Hyun Ban, Sangki Oh, Chanmi Park, Minjee Lee, Minhye Shin, Jungwoo Yang, Young Hoon Jung

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

As consumption of healthy foods continues to garner remarkable public attention, ensuring probiotic safety has become a priority. In this study, the safety of Lactobacillus acidophilus IDCC 3302 was assessed in vitro and in vivo. L. acidophilus IDCC 3302 showed negative results for hemolytic and β-glucuronidase activities. The whole-genome analysis (WGA) revealed that L. acidophilus IDCC 3302 did not possess antibiotic resistance or virulence genes. The minimal inhibitory concentrations of L. acidophilus IDCC 3302 confirmed its safety concerning antibiotic resistance. Furthermore, L. acidophilus IDCC 3302 was demonstrated to be nontoxic in the oral toxicity test in rats. Therefore, the results suggested that L. acidophilus IDCC 3302 might be safe for human consumption.

Original languageEnglish
Pages (from-to)39-44
Number of pages6
JournalMicrobiology and Biotechnology Letters
Volume49
Issue number1
DOIs
StatePublished - 1 Mar 2021

Keywords

  • Antibiotic resistance
  • Lactobacillus acidophilus
  • Probiotics
  • Safety evaluation

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