Influence of environmental growth temperature on tocopherol and sterol oil concentrations in olive fruit
- Hamze, Leila Mariam
- Miserere, Andrea
- Molina, Maria Sol
- Maestri, Damian
- Searles, Peter Stoughton
- Rousseaux, Maria Cecilia
DOIAbstract
Tocopherols and sterols are minor components of virgin olive oils that contribute to oil quality. Based on observations at different geographical locations, it has been suggested that environmental temperature during fruit growth affects tocopherol and sterol oil concentrations in olive fruit. However, controlled experiments have not been conducted to directly assess their responses to temperature. In this study, a manipulative experiment using open-top chambers (OTCs) was performed in the field to evaluate the responses of these oil components to a moderate air temperature increase during oil accumulation in young trees of two olive cultivars (Arbequina, Coratina). The two temperature levels in the OTCs were a control about 1 °C above ambi...
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