The sorption of food constituents, especially aroma compounds, by poly
meric packaging materials has received considerable attention during t
he past decade, and is generally considered to be a problem within the
food packaging industry. Flavour scalping, as this phenomenon is term
ed, may cause decreased consumer acceptance of the food product due to
loss of aroma intensity or the development of an unbalanced flavour p
rofile. This article presents an overview of research conducted on the
subject.