I am needing to develop a product taxonomy for foods and beverages that would work across multiple food providers. I need this to provide a code hierarchy for mapping specific products in a categorical fashion, e.g.
Large Latte -IS-A-> Coffee Beverage -IS-A-> Beverage
Double espresso -IS-A-> Coffee Beverage -IS-A-> Beverage
The only thing that I've found so far is a USDA Food Group dictionary that has some high level categories.
So, to be clear, in response to the confusion I seemingly have caused others trying to help, I'm looking for a code-dictionary that provides hierarchical (taxonomic) categories of food products typically found in restaurants.