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In the ancient Roman necropolis of Carmo in what is now Spain, archaeologists have unearthed a jar of wine, still sealed, and still sloshing liquid after about 2,000 years.
Nevertheless, human dust, reddish stain, and all, the wine now constitutes the world's oldest known vintage, topping the 4th century CEThe mausoleum itself, likely the collective tomb belonging to a specific family, is something of a delightful rarity. Often, as the millennia pass, ancient tombs are pillaged, leaving little for historians to mull.
Led by chemist Daniel Cosano of the University of Cordoba in Spain, the researchers set about performing a comprehensive series of chemical analyses, to determine what the liquid actually was., they identified the chemical elements in the mineral salts in the liquid. And high-performance liquid chromatography-mass spectrometry was put to work to identifyThis data was then compared to wines from nearby regions: Montilla-Moriles, Jerez, and Sanlúcar.
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