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
Bonda (grape) 19th century when wine writers of the period suspected that the grape may be identical to the Mossana grape of Piedmont, a variety that today is no longer commercially cultivated. The historical synonym of "Prié rouge" also lead to speculation about the grape being the same as the Italian grape varieties Primetta and Prié blanc. While today ampelographers do believe that the grape originated in northern Italy, DNA analysis in the early 21st century has rejected any close genetic relationship between Bonda with Primetta and Prié blanc. However, DNA evidence has confirmed that there is some link between the grape