New cytotoxic lanostanoid triterpenes from Ganoderma lingzhi

Yhiya M. Amen, Qinchang Zhu, Mohamed S. Afifi, Ahmed F. Halim, Ahmed Ashour, Kuniyoshi Shimizu

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Further chemical investigation of the metabolites in the fruiting bodies of Ganoderma lingzhi resulted in isolation of eight triterpenes; two of them are new triterpene acid ethyl esters. Their structures were established based on spectroscopic studies and comparison with the known related compounds. The anticancer potential of the isolates were tested with an in vitro cytotoxic assay against five human cancer cell lines (MCF-7, HeLa, HCT-116, Caco-2 and HepG2) and two normal human cell lines (TIG-1 and HF19). Results showed that the new compounds have a strong to moderate selective cytotoxic activity against MCF-7 while they showed moderate to weak activity against HeLa cell line. Potent cytotoxic activities of some of the known isolated compounds are reported for the first time.

Original languageEnglish
Pages (from-to)64-70
Number of pages7
JournalPhytochemistry Letters
Publication statusPublished - Sept 1 2016

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biochemistry
  • Agronomy and Crop Science
  • Plant Science


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