Nevertheless, it is important to point out that the presence
of several low molecular mass hydrolysable tannins, both ellagiand
gallotannins in the seeds of Malvar grapes should not be
considered as an exception, since we found most of these
compounds in the above mentioned V. vinifera species (unpublished
data). There are some recent publications concerning the
chemical composition of grapes from some American species and
especially those from Muscadine grapes (Vitis rotundifolia) (