Yeah. Like, 2,400 years old:
Genetic analysis has revealed the contents of an ancient shipwreck dating back to the era of the Roman Republic and Athenian Empire. The cargo was olive oil flavored with oregano.
Beyond discovering ingredients for Italian salad dressing on the sea floor, such research could provide a wealth of insights concerning the everyday life of ancient seafaring civilizations that would otherwise be lost at sea.
That dressing oughtta go great with the lettuce that’s been sitting in my vegetable crisper since the last millenium.