The pH of grape juice ranges from about 2.92 to 3.53, depending on the type of grape used. Each cup of grape juice contains 152 calories, 30 percent of the DV for manganese, 4 percent of the DV for iron and, if it is fortified with vitamin C, 105 percent of the DV for this vitamin.
In 1897, Pearl Wait adapted an 1845 patent for a gelatin dessert, and his wife, May Davis Wait, named the new product Jell-O brand gelatin. Decades later, in 1899, Orator Francis Woodward bought the rights to Jell-O brand gelatin from Mr. Wait for $450.