Grasas y Aceites, Vol 69, No 3 (2018)

Identification of tetrahydrogeranylgeraniol and dihydrogeranylgeraniol in extra virgin olive oil


https://doi.org/10.3989/gya.0782171

C. Mariani , Italy
orcid http://orcid.org/0000-0003-3482-0480

S. Cesa
Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Università di Roma, Italy
orcid http://orcid.org/0000-0002-8649-0017

C. Ingallina
Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Università di Roma, Italy
orcid http://orcid.org/0000-0003-4817-7318

L. Mannina
Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Università di Roma - Istituto di Metodologie Chimiche, CNR, Laboratorio di Risonanza Magnetica “Annalaura Segre”, Italy
orcid http://orcid.org/0000-0001-8659-5890

Abstract


Olive oil contains many different compounds which are responsible for its nutritional and sensorial value. However, some compounds present in olive oil at very low amounts have not yet been identified. Here, the detection of tetrahydrogeranylgeraniol and dihydrogeranylgeraniol, in both the total aliphatic alcohol and waxy fractions of extra virgin olive oil, is reported for the first time using GC and GC-MS methodologies. It was suggested that tetrahydrogeranylgeraniol and dihydrogeranylgeraniol do not originate from the hydrolysis of the chlorophyll but are present as diterpenic esters.

Keywords


Dihydrogeranylgeraniol; Diterpenic esters; GC; GC-MS; Olive oils; Tetrahydrogeranylgeraniol

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