Spanish cuisine a signal of piety. The arrival of Europeans in America, in 1492, initiated the advent of new culinary elements, such as tomatoes, potatoes, corn, bell peppers, spicy peppers, paprika, vanilla and cocoa or chocolate. Spain is where chocolate was first mixed with sugar to remove its natural bitterness. Other ingredients traveled to the Americas, such as rice, grapes, olives and many types of cereals. Many traditional Spanish dishes such as tortilla de patata (an omelette made with potatoes), would not be possible without the discovery of America. Gazpacho, salmorejo, and pan tumaca are made with tomatoes, which traveled from America
Active ingredient form for a pharmaceutical contains the active pharmaceutical ingredient (API), which is the drug itself, and excipients, which are the substances of the tablet, or the liquid the API is suspended in, or other material that is pharmaceutically inert. Drugs are chosen primarily for their active ingredients. Patients often have difficulty identifying the active ingredients in their medication, and are often unaware of the notion of an active ingredient. When patients are on multiple medications, active ingredients can interfere with each other, often resulting in severe or life-threatening complications. There now exist online services which can identify the active ingredient