Furosonin, a novel hydrolyzable tannin from geranium thunbergii

Shoko Taniguchi, Ryouta Nogaki, Li Ming Bao, Teruo Kuroda, Hideyuki Ito, Tsutomu Hatano

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Furosonin (2), a novel hydrolyzable tannin, was isolated from Geranium thunbergii (Geraniaceae) leaves, and the structure was determined based on spectroscopic data. The effects of geraniin (1), furosonin (2), and related hydrolyzable tannins on antibiotic resistance were examined, and repandusinic acid A (4) was found to suppress oxacillin resistance of methicillin-resistant Staphylococcus aureus.

Original languageEnglish
Pages (from-to)1525-1532
Number of pages8
Issue number2
Publication statusPublished - 2012

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry


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