Antioxidant synergism and antagonism between selected monoterpenes using the 2,2‐diphenyl‐1‐picrylhydrazyl method | Zendy

Ciesla Lukasz M. | Zendy; WojtunikKulesza Karolina A. | Zendy; Oniszczuk Anna | Zendy; WaksmundzkaHajnos Monika | Zendy

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Antioxidant synergism and antagonism between selected monoterpenes using the 2,2‐diphenyl‐1‐picrylhydrazyl method

Author(s) -

Ciesla Lukasz M.,

WojtunikKulesza Karolina A.,

Oniszczuk Anna,

WaksmundzkaHajnos Monika

Publication year - 2016

Publication title -

flavour and fragrance journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.393

H-Index - 70

eISSN - 1099-1026

pISSN - 0882-5734

DOI - 10.1002/ffj.3330

Subject(s) - citronellal , chemistry , dpph , antioxidant , antagonism , organic chemistry , electrophile , stereochemistry , catalysis , biochemistry , receptor

This research aims to investigate synergistic and antagonistic antioxidant interactions for binary mixtures of common monoterpenes. The activity was determined spectrophotometrically with the use of the DPPH • assay. Significant antioxidant synergism, between two different monoterpenes, was observed for a mixture of inactive p ‐cymene and one of the compounds, characterized by moderate antioxidant activity, e.g. (±)‐citronellal, α ‐phellandrene or α ‐terpinene. It has been proven that the activity of (±)‐citronellal is increased in the presence of hydrocarbons possessing the aromatic nucleophilic ring, which may react with electrophiles. A possible reaction mechanism was proposed for the synergistic antioxidant effect of p ‐cymene and (±)‐citronellal. This research opens new perspectives for studying interactions between isoprene derivatives, found in essential oils. Copyright © 2016 John Wiley & Sons, Ltd.

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