Guacamole as storing the guacamole in an air-tight container or wrapping tightly in plastic to limit the surface area exposed to the air. As the major ingredient of guacamole is raw avocado, the nutritional value of the dish derives from avocado vitamins, minerals and fats, providing dietary fiber, several B vitamins, vitamin K, vitamin E and potassium in significant content (see Daily Value percentages in nutrient table for avocado). Avocados are a source of saturated fat, monounsaturated fat and phytosterols, such as beta-sitosterol. They also contain carotenoids, such as beta-carotene, zeaxanthin and lutein. "Mantequilla de pobre" () is a mixture of
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