Czech J. Food Sci., 2013, 31(3):256-263 | DOI: 10.17221/136/2012-CJFS

Influence of crop season and cultivar on sterol composition of monovarietal olive oils in Reggio Calabria (Italy)Original Paper

Angelo Maria Giuffrè, Lamia Louadj
Department of AGRARIA, Mediterranean University of Reggio Calabria (Italy), Contrada Melissari, Reggio Calabria, Italia

Sterol composition was studied for three successive crop seasons in some olive oils extracted from Italian cultivars grown in Reggio Calabria Province, Southern Italy. Three autochthonous cultivars from Calabria Region: Cassanese, Ottobratica, and Sinopolese and seven allochthonous cultivars: Coratina, Itrana, Leccino, Nocellara Messinese, Nociara, Pendolino, and Picholine were investigated. The studied olive oils showed an acceptable sterol composition in accordance with either the European Union or International Olive Oil Council regulations. The Picholine cultivar showed the highest content of total sterol, β-sitosterol, chlerosterol, campesterol, and of cholesterol. The contents of Δ5-avenasterol, Δ5,24-stigmastadienol, 24-methylene-cholesterol, and Δ7-avenasterol were high in Nociara cultivar, whereas Pendolino cultivar had the highest content of sitostanol and Sinopolese cultivar gave the highest content of stigmasterol. Results confirmed the existing significant differences (P < 0.05 and P < 0.01) in the cultivar, crop season, and crop season × cultivar.

Keywords: ANOVA; cluster analysis; harvest year; minor components; wax esters

Published: June 30, 2013  Show citation

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Giuffrè AM, Louadj L. Influence of crop season and cultivar on sterol composition of monovarietal olive oils in Reggio Calabria (Italy). Czech J. Food Sci. 2013;31(3):256-263. doi: 10.17221/136/2012-CJFS.
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