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The two regulations of the European Community have considered the expectations of consumers and of producers regarding a better protection of virgin olive oils which, coming from areas particularly suitable for the olive growing, have peculiar characteristics from an organoleptic or compositional point of view. Essential part of these regulations regards the presence of oil components which, because of their chemical nature or their aboundance, can be considered specific or peculiar of the product accepted for the Denomination. In a preliminary paper evidence was obtained that the combined 18-O and 13-C isotopic profiles could provide information about the geographical origin of samples. In this paper the measurement have been extended to a greater number of olive oil samples coming from different countries to verify the real possibility of their use for the characterization of geographical origin of oils. In addition the measurement of the 13-C/12-C ratio of the sterolic and aliphatic alcoholic fractions has been carried out in order to improve this characterization.

Additional information

Authors: ANGEROSA F, Istituto Sperimentale per la Elaiotecnica, Pescara (IT);CONTENTO S, Istituto Sperimentale per la Elaiotecnica, Pescara (IT);BRÉAS O, JRC Ispra (IT);GUILLOU C, JRC Ispra (IT);RENIERO C, JRC Ispra (IT);SADA E, JRC Ispra (IT)
Bibliographic Reference: Article: Journal of Agriculture and Food Chemistry (1998)
Record Number: 199811336 / Last updated on: 1998-11-10
Original language: en
Available languages: en
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