Guacamole avocado, tomato, oil, and citrus juice. Despite its name, it predates the arrival of dairy cattle in the Americas, and thus was not originally made as a butter substitute. Thinner and more acidic, or thick and chunky, "guasacaca" is a Venezuelan avocado-based sauce; it is made with vinegar, and is served over "parrillas" (grilled food), "arepas", "empanadas", and various other dishes. It is common to make the "guasacaca" with a little hot sauce instead of "jalapeño", but like a guacamole, it is not usually served as a hot sauce itself. Pronounced "wasakaka" in Latin America. Prepared guacamoles are available in
Active ingredient as salicylic acid in willow bark or arecoline in areca nuts), because the word "ingredient" in many minds connotes a sense of human agency (that is, something that a person combines with other substances), whereas the natural products present in plants were not added by any human agency but rather occurred naturally ("a plant doesn't have ingredients"). In contrast with the active ingredients, the inactive ingredients are usually called excipients in pharmaceutical contexts. The main excipient that serves as a medium for conveying the active ingredient is usually called the vehicle. Petrolatum and mineral oil are common vehicles. The dosage