Grape-Nuts Grape-Nuts Grape-Nuts is a breakfast cereal developed in 1897 by C. W. Post, a former patient and later competitor of the 19th-century breakfast food innovator, Dr. John Harvey Kellogg. The cereal originally prepared by C. W. Post when developing the product was a batter that came from the oven as a rigid sheet. He then broke the sheet into pieces and ran them through a coffee grinder to produce the "nut"-sized kernels. Despite the name, the cereal contains neither grapes nor nuts; it is made with wheat and barley. Post believed that glucose (which he called "grape sugar") formed in
Rufete (grape) Rufete (grape) Rufete is a red Spanish/Portuguese wine grape variety that is grown primarily used in port wine production in the Douro region of Portugal. It is also grown up along the Duero basin across the border in the Spanish province of Castile and León and can be found in the Dão DOC of Portugal where the variety is known as "Tinta Pinheira". While the grape is mostly associated with the fortified wine production of the Douro, it can also be found in other smaller Portuguese and Spanish wine regions such as the Arribes "Denominación de Origen" (DO) right along