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Chemical composition of Dalmatian virgin olive oils from autochtonous olive cultivars Oblica, Lastovka and Levantinka (CROSBI ID 152700)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Žanetić, Mirella ; Štrucelj, Dubravka ; Perica, Slavko ; Rade, Desanka ; Škevin, Dubravka ; Serraiocco, Arnaldo Chemical composition of Dalmatian virgin olive oils from autochtonous olive cultivars Oblica, Lastovka and Levantinka // Rivista italiana delle sostanze grasse, 86 (2010), 24-33

Podaci o odgovornosti

Žanetić, Mirella ; Štrucelj, Dubravka ; Perica, Slavko ; Rade, Desanka ; Škevin, Dubravka ; Serraiocco, Arnaldo

engleski

Chemical composition of Dalmatian virgin olive oils from autochtonous olive cultivars Oblica, Lastovka and Levantinka

In this paper, the chemical composition of monovarietal olive oils was studied, along with quality changes during different storage conditions. 21 olive oil samples from three most common autochthonous varieties from middle Dalmatia region: Oblica, Levantinka and Lastovka, were investigated in order to determine their chemical profiles. Olive fruits were collected from seven locations and processed in common oil - mills by hydraulic pressing or centrifugation in two or three phases. Among analyzed oils, 71, 4% achieved the requirements for highest quality (''extra virgin olive oil''), while the other were in category of ''virgin olive oil''. Olive oils of Oblica variety have a higher content of oleic and linoleic acid than oils of Lastovka and Levantinka variety. Differences in triolein (OOO) content were detected, depending on olive cultivation’ s location. All oil samples had less stigmasterol than campesterol, while ß – sitosterol content was > 93% in all samples, being is in accordance with domestic and international law - regulations. During storage period the increase of free fatty acids were less intensive than increase of peroxide value.

virgin olive oil; autochthonous varieties; fatty acid composition; triglycerides; sterols.

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Podaci o izdanju

86

2010.

24-33

objavljeno

0035-6808

Povezanost rada

Poljoprivreda (agronomija), Prehrambena tehnologija

Indeksiranost