The study of plant exploitation and early use of cereals in Africa has seen over the years a great input from charred and desiccated macrobotanical remains. This paper presents the results of one of the few examples in Africa of microbotanical analyses. Three grave contexts of phytolith-rich deposits and the dental calculus of 20 individuals were analysed from two Neolithic cemeteries in North and Central Sudan. The radiocarbon-dated phytoliths from the burial samples show the presence of Near East domestic cereals in Northern Sudan at least 7000 years ago. Phytoliths also indicate the exploitation of wild, savannah-adapted millets in Central Sudan between 7500 and 6500 years ago. The calculus samples contained starch grains from wheat/barley, pulses and millets, as well as panicoid phytoliths. This evidence shows that Near East domestic cereals were consumed in Northern Africa at least 500 years earlier than previously thought.

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In 2006 Leiden University has initiated a series Leiden Dissertations at Leiden University Press. This series affords an opportunity to those who have recently obtained their doctorate to publish the results of their doctoral research so as to ensure a wide distribution among colleagues and the interested public. The dissertations will become available both in printed and in digital versions. Books from this LUP series can be ordered through www.lup.nl. The large majority of Leiden dissertations from 2005 onwards is available digitally on www.dissertation.leidenuniv.nl.

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