Grape seeds used in drying experiments were provided from
grapes Vitis vinifera of the variety Riesling and Cabernet Franc, rep-
resenting waste materials from white wine and red wine process-
ing, respectively, and grape seeds from Vitis labrusca of the variety
Concord, representing waste material from grape juice processing.
Pomace was obtained from New York wineries and grape juice
manufacturers, and the seeds were separated using a very efficient
separator (turbo finisher/extractor, Bertocchi Inc., ITALY). Riesling