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- Title
Olive oil from the 79 A.D. Vesuvius eruption stored at the Naples National Archaeological Museum (Italy).
- Authors
Sacchi, Raffaele; Cutignano, Adele; Picariello, Gianluca; Paduano, Antonello; Genovese, Alessandro; Siano, Francesco; Nuzzo, Genoveffa; Caira, Simonetta; Lubritto, Carmine; Ricci, Paola; D'Auria, Alessia; Di Pasquale, Gaetano; Motta, Andrea; Addeo, Francesco
- Abstract
Using a range of chromatographic, spectroscopic, and mass spectrometric analytical techniques, we characterized one of the "edible items" found at the Vesuvius archeological sites and guarded at the National Archaeological Museum of Naples (MANN) in Naples, Italy. We authenticated the specimen contained in a glass bottle (Mann-S1 sample) as originally olive oil and mapped the deep evolution throughout its 2000 years of storage. Triacylglycerols were completely hydrolyzed, while the resulting (hydroxy) fatty acids had partly condensed into rarely found estolides. A complex pattern of volatile compounds arose mainly from breakdown of oleic acid. With excellent approximation, radiocarbon dating placed the find at the time of the Plinian Mount Vesuvius eruption in 79 A.D., indicating that Mann-S1 is probably the oldest residue of olive oil in the world found in bulk amount (nearly 0.7 L).
- Subjects
NAPLES (Italy); OLIVE oil; ARCHAEOLOGICAL museums &; collections; OLEIC acid; CARBON isotopes
- Publication
NPJ Science of Food, 2020, Vol 4, Issue 1, pN.PAG
- ISSN
2396-8370
- Publication type
Article
- DOI
10.1038/s41538-020-00077-w