Vacca, Vincenzo and Battacone, Gianni and Piga, Antonio <1965- > and Carta, Giampiero and Agabbio, Mario Carlo Salvatore (1999) Studio di alcune caratteristiche compositive di oli extra vergini di oliva sardi in relazione all'origine geografica. La Rivista italiana delle sostanze grasse, Vol. 76 (1), p. 11-14. ISSN 0035-6808. Article.
Percent trygliceride composition, total carotenoids and chlorophylles and the main quality parameters of 110 extra-virgin oils of the five most important Sardinian production places have been inspected. Statistical analysis of data
revealed that some of the above cited components can serve as discriminant factors to exactly define the origin of the oil, while others do not. In particular, it has been found that an exact identification of the place of origin is easily achieved for zones 2 (south Sardinia) and 3 (north-west Sardinia), because they show the significantly highest content of POL triglyceride and palmitoleic acid or SOO
triglyceride and stearic acid, respectively. Moreover, zones 2 and 3 have the significant lowest content of OOO and PSO triglycerides, respectively. A cross comparison of parameters allows the place of origin identification for the
remaining zones as well.
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