|Clamato. Photo: Bludgeoner86, Flickr
The cause of death was respiratory failure, her daughter, Jane S. Smith, told the New York Times.
Clamato, a cocktail juice made with tomato juice, onions, celery, spices and a dash of clam juice, is known for being a key ingredient in the Michelada. It is made and distributed by Mott's.
Along with independently helping food corporations develop new products, Schur was the founder of her own restaurant and food company consulting business, Creative Food Services.
"She was a pioneer of modern food usage," her Creative Food Services coworker Heidi Kost-Gross told the Times. "Her company was at the cutting edge of how food should look and taste, and above all, how it should be used."