New monomeric and dimeric hydrolyzable tannins from Tamarix nilotica

Mohamed A.A. Orabi, Shoko Taniguchi, Morio Yoshimura, Takashi Yoshida, Tsutomu Hatanoa

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Two new ellagitannin monomers, nilotinins M2 (4) and M3 (5), two new dimers, nilotinins D4 (6), D5 (7), and a known dimer (8), were isolated from an aqueous acetone extract of dried leaves of Tamarix nilotica (Ehrenb.) Bunge. Structures of 4-7 were determined based on spectral data and chemical correlations with known tannins. The known dimer 8 was isolated from a plant extract for the first time; its 1H and 13C assignments are also reported here.

Original languageEnglish
Pages (from-to)463-475
Number of pages13
Issue number1
Publication statusPublished - Jan 1 2010


  • Ellagitannin
  • Hydrolyzable Tannin
  • Nilotinin
  • Tamaricaceae
  • Tamarix nilotica

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry


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