Evaluation of the antibacterial activity of rhapontigenin produced from rhapontin by biotransformation against Propionibacterium acnes

Jeong Keun Kim, Narae Kim, Young Hee Lim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Biotransformation is often used to improve chemical activity. We evaluated the antimicrobial activity of rhapontigenin, converted from rhapontin after treatment with Pectinex. Rhapontigenin showed 4-16 times higher antimicrobial activity than rhapontin. The activity was higher against Gram-positive strains than Gram-negative strains. Minimum inhibitory concentrations (MICs) of rhapontigenin, retinol, and five antibiotics were determined by the microbroth dilution method for antibiotic-sensitive and -resistant Propionibacterium acnes. We also investigated the in vitro antibacterial activity of rhapontigenin in combination with antibiotic against antibiotic-resistant P. acnes. The antibiotic combination effect against resistant P. acnes was studied by the checkerboard method. The combination formulations (rhapontigenin and clindamycin, retinol and clindamycin) showed synergistic effects on the inhibition of the growth of clindamycin-resistant P. acnes. It is predictable that the combination of antibiotics with rhapontigenin is helpful to treat acne caused by antibiotic-resistant P. acnes. The antibacterial activity of rhapontigenin was enhanced by biotransformation.

Original languageEnglish
Pages (from-to)82-87
Number of pages6
JournalJournal of Microbiology and Biotechnology
Volume20
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1

Fingerprint

Propionibacterium acnes
Biotransformation
Anti-Bacterial Agents
Clindamycin
Vitamin A
Acne Vulgaris
Microbial Sensitivity Tests
rhapontigenin
rhapontin
Growth

Keywords

  • Biotransformation
  • Checkerboard test
  • P. acnes
  • Rhapontigenin

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

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