Antioxidant effects of the monoterpenes carvacrol, thymol and sabinene hydrate on chemical and sensory stability of roasted sunflower seeds
Article first published online: 24 JUN 2014
© 2014 Society of Chemical Industry
Journal of the Science of Food and Agriculture
Volume 95, Issue 3, pages 471–479, February 2015
How to Cite
Quiroga, P. R., Asensio, C. M. and Nepote, V. (2015), Antioxidant effects of the monoterpenes carvacrol, thymol and sabinene hydrate on chemical and sensory stability of roasted sunflower seeds. J. Sci. Food Agric., 95: 471–479. doi: 10.1002/jsfa.6744
- Issue published online: 7 JAN 2015
- Article first published online: 24 JUN 2014
- Accepted manuscript online: 19 MAY 2014 08:48AM EST
- Manuscript Accepted: 13 MAY 2014
- Manuscript Revised: 9 MAY 2014
- Manuscript Received: 26 NOV 2013
Oxidation products and rancid flavors decrease the sensory quality of food products, making them unacceptable to consumers. Synthetic antioxidants are used in many foods to prevent rancidity, though their safety is questioned. Monoterpenes are obtained from essential oils and many of them have shown antioxidant activity. The objective of this study was to evaluate the stability of sensory and chemical parameters in roasted sunflower seeds supplemented with carvacrol, thymol and sabinene hydrate monoterpenes.
Five samples were prepared: control roasted sunflower seeds (RS-C) and sunflower seeds treated with carvacrol (RS-Car), sabinene hydrate (RS-S), thymol (RS-T) and butylated hydroxytoluene (RS-BHT). The three monoterpenes (carvacrol, sabinene hydrate and thymol) provided protection to this food product, inhibiting the formation of oxidative deterioration compounds such as peroxides and hexanal and undesirable off-flavors such as oxidized and cardboard flavors. Sabinene hydrate had greater effect preventing peroxide formation during storage than the other monoterpenes.
Carvacrol, sabinene hydrate and thymol could be used as an alternative to synthetic antioxidants for preserving the quality of roasted sunflower seeds. © 2014 Society of Chemical Industry