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To preserve mummies in Ancient Egypt various natural compounds and mixtures were used depending on the historical period. Bee wax, natural bitum, coal tar, conifer resins, plant and animal oils, aromatic plant constituents were the most popular ones. One of the important issues in the studies of mummies involves confirmation of the use of bee wax, conifer resins, and bitum in the textile bandages. Actually, the composition of organic compounds in a particular mummy may provide valuable information on the period of mummification. GC-MS is the best technique to carry on analysis of the materials related to mummies when it deals with the mentioned above classes of organic compounds.