International Class 30 is a broad class, that includes many types of food, drinks, and cooking ingredients, such as coffee, tea, cocoa, rice, flour, bread, pastries, sugar, honey, yeast, baking-powder, salt, mustard, vinegar, sauces, condiments, and spices.
New trademark filings in Class 30 have shown a steady increase over the past decade, as illustrated by this chart:
