Ketchup as a vegetable a bill that barred the USDA from changing its nutritional guidelines for school lunches. The proposed changes would have limited the amount of potatoes allowed in lunches, required more green vegetables, and declared a half-cup of tomato paste to count as a serving of vegetables, rather than the current standard of 2 tablespoons. The blocking of these proposed higher standards meant that the smaller amount of tomato paste in pizza could continue to be counted as a vegetable in school lunches. The move resulted in widespread mockery, with headlines saying Congress had declared pizza to be a vegetable. The blocking
Ingredient-flavor network of different compounds. In 2011, Yong-Yeol Ahn, Sebastian E. Ahnert, James P. Bagrow and Albert-László Barabási investigated the ingredient-flavor networks of North American, Latin American, Western European, Southern European and East Asian cuisines. Based on culinary repository epicurious.com, allrecipes.com and menupan.com, 56,498 recipes has been included in the survey. The efforts to apply network analysis on foods also occurred in the work of Kinouchi and Chun-Yuen Teng, with the former examined the relationship between ingredients and recipes, and the latter derived the ingredient-ingredient networks of both compliments and substitutions. Yet Ahn's ingredient-flavor network was constructed based on the molecular level