Sapwood of carob tree (Ceratonia siliqua L.) as a potential source of bioactive compounds

Luísa Custódio, Ana Luísa Escapa, João Patarra, Rosa Aligué, Fernando Alberício, Nuno Rosa Neng, José Manuel Florêncio Nogueira, Anabela Romano

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Methanol (ME) and hot water extracts (WE) of carob tree sapwood (Ceratonia siliqua L.) exhibited high antioxidant activity and were rich in phenolic compounds, with the main compounds identified by HPLC/DAD as gentisic acid and (-)-epicatechin. The ME displayed a high in vitro antitumor activity against human tumoural cell lines and reduced intracellular ROS production by HeLa cells after treatment with H2O2. (-)-Epicatechin was shown to contribute to the cytotoxic activity of the ME. This is the first report on the biological activity of carob tree sapwood.

Original languageEnglish
Pages (from-to)225-229
Number of pages5
JournalRecords of Natural Products
Volume7
Issue number3
Publication statusPublished - 28 May 2013
Externally publishedYes

Keywords

  • Antioxidant activity
  • Cytotoxic
  • Gentisic acid
  • Phenolic compounds
  • ROS

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