Abstract

Highly efficient and eco-friendly antifungal fumigants are desirable in food and crop production. Although turmeric (Curcuma longa L.) essential oil is known to have a potent antifungal effect, the quality of whole essential oil can be unstable, leading to unreliable antifungal activities. The aim of the present study is to uncover the active individual compounds in turmeric essential oil that provide the antifungal properties using a convenient chemometric model. The Aspergillus flavus inhibition activities of essential oils derived from 24 batches of Curcuma longa L. were evaluated, with various fumigation concentrations from 50 ?L to 500 ?L essential oils per plate. Meanwhile, eighteen volatile compounds were identified by static headspace gas chromatography-mass spectrometry. To combine the antifungal activities and chemical profiles with the spectrum-effect relationship based on the partial least squares model, three volatile compounds (i.e., eucalyptol, beta-pinene and camphor) were identified and verified as the most potent antifungal compounds by their higher contribution factor to antifungal indexes. Thus, this research will provide a useful approach to screen bioactive compounds, and these three compounds are promising antifungal alternatives to conventional treatments for the control of A. flavus contamination.

Autore Pugliese

• Logrieco Antonio Francesco

Tutti gli autori

• Y. Hu; J. Luo; W. Kong; J. Zhang; A.F. Logrieco; X. Wang; M. Yang

Titolo volume/Rivista

RSC advances

Anno di pubblicazione

2015

ISSN

2046-2069

ISBN

Non Disponibile

Numero di citazioni Wos

Nessuna citazione

Ultimo Aggiornamento Citazioni

Non Disponibile

Numero di citazioni Scopus

Non Disponibile

Ultimo Aggiornamento Citazioni

Non Disponibile

Settori ERC

Non Disponibile

Codici ASJC

Non Disponibile