Conny Waters – MessageToEagle.com – As many of us know, the Indus Valley was the third oldest urban civilization in the world. The Indus Valley people built hundreds of sites that stretched hundreds of miles in every direction.
Left: A view of the Buddhist stupa in the background located in the higher settlement to the west, generally referred to as the citadel mound, and it is mostly comprised of the ruins of ancient administrative buildings constructed on top of a massive mud-brick platform. Saqib Qayyum – CC BY-SA 3.0; Right: “The Priest-King”, a seated stone sculpture at the National Museum, Karachi – Mamoon Mengal – world66.com – CC BY-SA 1.0
But questions like how did these ancient people lived, what was their daily food, and how ingredients were combined and cooked, required a study on leftovers in the civilization’s 5300- to 4000-year-old cooking vessels
How to reconstruct the cookery of people who lived thousands of years ago?
Bones and plant remains can tell us what kind of ingredients were available. To answer these and similar questions, it was necessary to study ancient cooking vessels, and so the researchers did.
They analyzed such ‘leftovers’ in Copper and Bronze Age vessels – including pots, vases, goblets, jars, and platters – from today’s Gujarat, India.
“Our study is the first to combine starch grain and lipid residue analysis of ancient vessels in South Asia,” said Suryanarayan, adding that the obtained results show how the prehistoric people who made these vessels processed different foodstuffs and mixed them together, transforming them into meals.”
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“Fatty molecules and microscopic remains from plants such as starch grains and phytoliths – silica structures deposited in many plant tissues – get embedded into vessels and can survive over long periods,” said Dr. Akshyeta Suryanarayan, a researcher at the Universitat Pompeu Fabra in Barcelona, Spain, and co-author on a new study in Frontiers in Ecology and Evolution.
Harappan’s people food. Image credit: Pramod Pushkarna. source
The authors analyzed eleven 4200- to 4000-year-old vessels excavated at Shikarpur, an archeological site from the Bronze Age Indus Valley Civilization that flourished between 2600 and 2000 BC in today’s Pakistan and northwestern India.
Additionally, researchers studied samples of seventeen 5300- to 4300-year-old vessels from two nearby sites, Datrana and Loteshwar. The latter were made by semi-nomadic farmers and herders, during the Copper Age.
“Our results show that during both the Copper and Bronze Age in northern Gujarat, people acquired their ingredients in a variety of ways: some foraged locally from the wild, others cultivated or herded, and some were traded in from elsewhere,” said first author Dr Juan José García-Granero, a researcher from the Spanish National Research Council in Barcelona, Spain.
For example, in the vessels from Datrana, 99% of the starch grains were from grasses in the tribe Hordeeae, which includes wheat, barley, and rye and their wild relatives. But these aren’t native to Gujarat, which suggests that they were imported from other areas.
The vessels from Loteshwar and Shikarpur contained mainly (67% to 73% of starch grains) starch from beans. The researchers also found traces of ginger, which may first have been ground on grinding stones and then used in cooking.
The lipids in the vessels from all three sites were mainly fatty acids typical of degraded animal fats. For the majority (78%) of these vessels, the relative abundances of the carbon isotopes 13C to 12C of the fatty acids suggested that this fat was from omnivores, for example, pigs, birds, or rabbits. This was unexpected, as animal bones reported from Copper and Bronze Age sites in Gujarat in previous studies have so far mostly been from ruminants: domestic cattle, water buffalo, sheep, goats, wild deer, and nilgai antelope. Yet only in 22% of the vessels analyzed here were isotope signatures consistent with ruminant fat.
There were no traces of fish or dairy. No phytoliths were found. Because these occur mainly in inedible plant parts, their absence suggests that seeds and grains were thoroughly cleaned before they were put into the vessels, with the less palatable parts removed.
Surprisingly, also evidence of the significant cultural change from the Copper Age to the Indus Valley Civilization has not been found by the researchers. Also, the change had not any impact on how animals and plants were processed before and during cooking.
“Our results suggest that different ingredients were also used in different methods of cooking. The virtual absence of small millets (the staple in prehistoric Gujarat) in the pottery vessels suggests millets were used exclusively for flour-based meals, such as bread-like products, whereas other ingredients (such as beans) would also have been used in a wider range of dishes, such as stews,” said García-Granero.
Final author Prof Marco Madella from the Universitat Pompeu Fabra concluded: “The combined use of plant microremains and biomolecules of the current study shows the great potential to unravel our understanding of ancient foodways.”
“The next step for the study of footways in South Asia will be to expand the reference material, especially for biomolecule analyses, for a better understanding of the ingredients and the recipes. We are currently expanding our work to cover the transition from the pre-urban to the urban phase of the Indus Valley Civilisation.”
Written by Conny Waters – MessageToEagle.com – AncientPages.com Staff Writer