The aim of this work was to verify the presence of cork (Quercus Suber
) in two samples of linoleum the beginning of the twentieth century Us
ing GC/MS after acidic methanolysis and silylation, it was possible to
identify most of the components of a modern sample of cork. The domin
ant is a lipid polymer: the suberin. Its monomeric composition is exam
ined in details.