UNIGE document Scientific Article
previous document  unige:94961  next document
add to browser collection
Title

Antifungals and acetylcholinesterase inhibitors from the stem bark of Croton heliotropiifolius

Authors show hidden authors show all authors [1 - 12]
Published in Phytochemistry Letters. 2014, vol. 10, p. lxxxviii-xciii
Abstract The ethanolic extract of the stem bark of Croton heliotropiifolius Kunth (Euphorbiaceae) showed significant in vitro inhibition of acetylcholinesterase using a dilution spectrophotometric assay and antifungal activity against Candida albicans with a thin layer chromatography (TLC) bioautographic assay. In order to isolate the active compounds, bioassay-guided fractionation was undertaken using HPLC to localize the active compounds. Different zones of the HPLC-UV chromatogram were linked to acetylcholinesterase inhibition or to antifungal activities. In parallel to this HPLC-based activity profiling, HPLC-PDA-ESI-MS and HPLC-TOF-HRMS were used for the early identification of some of the compounds present. The targeted isolation of the active compounds was performed by medium pressure liquid chromatography (MPLC-UV) and further semi-preparative HPLC. Using this approach, nine compounds were isolated, one of them being a new indole alkaloid derivative. The structures of the isolated compounds were elucidated by spectroscopic methods including UV, NMR, MS and HRMS.
Identifiers
Full text
Structures
Citation
(ISO format)
FERREIRA QUEIROZ, Marcos Marcal et al. Antifungals and acetylcholinesterase inhibitors from the stem bark of Croton heliotropiifolius. In: Phytochemistry Letters, 2014, vol. 10, p. lxxxviii-xciii. https://archive-ouverte.unige.ch/unige:94961

14 hits

1 download

Update

Deposited on : 2017-06-20

Export document
Format :
Citation style :