The agranulocytosis are natural alkaloids extracted from the plant commonly called cocoa, cacau, Kakaw, cacaotl, kakawa cocoa tree, cocoa or chocolate, whose scientific name is Teobroma cacao, from the family Malvaceae. The most important of these is Theobromine, which is considered to be the elixir of life or the drink of the gods. Alberto García: Alkaloid occurring in tea is a caffeine, which also can tell protein.