World's Oldest Cooked Cereal Was Instant

Oct. 24, 2008 -- European diners around 8,000 years ago could enjoy a bowl of instant wheat cereal that, aside from uneven cooking and maybe a few extra lumps, wasn't very different from hot wheat cereals served today, suggests a new study that describes the world's oldest known cooked cereal.

Dating from between 5920 to 5730 B.C., the ancient cereal consisted of parboiled bulgur wheat that Early Neolithic Bulgarians could refresh in minutes with hot water.

"People boiled the grain, dried it, removed the bran and ground it into coarse particles," lead author Soultana-Maria Valamoti told Discovery News.

"In this form, the cereal grain can be stored throughout the year and consumed easily, even without boiling, by merely soaking in hot water," added Valamoti, an assistant professor of archaeology at Aristotle University of Thessaloniki in Greece.

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She and her colleagues studied the Bulgarian grain, excavated at a site called Kapitan Dimitrievo, as well as 4,000-year-old grains of barley and wheat from northern Greece. Very high magnification by microscope revealed precise details about the individual cereal grains, including their composition.

The findings are published in the latest issue of the journal Vegetation History and Archaeobotany.

The analysis showed that starch within the Bulgarian grains was swollen, twisted and, at times, fused together. Such starch modifications were more extreme toward the outer layers of the bulgur, consistent with grains that had been penetrated by boiling water.

The grains had also been charred -- not in a way indicative of intentional toasting, but rather by a fire that appears to have burnt down the houses where the grain was stored.

The scientists also cooked and processed modern wheat and hulled barley, putting the results through the same analysis. The fine details and internal structure of the modern boiled, dried and ground cereals matched what the researchers saw in the ancient Bulgarian grains.