Guacamole first cultivated in South Central Mexico about 10,000 years ago. In the early 1900s, avocados frequently went by the name "alligator pear". The Hass avocado is named after postal worker Rudolph Hass who purchased a seedling in 1926 from a California farmer and patented it in 1935. Guacamole has increased avocado sales in the US, especially on Super Bowl Sunday and Cinco de Mayo. The rising consumption of guacamole is most likely due to the U.S. government lifting a ban on avocado imports in the 1990s and the growth of the U.S. Latino population. Guacamole dip is traditionally made by
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