Erythrosine is a synthetic red dye commonly used in the food industry to color foods such as sweets, alcoholic beverages, and processed meats. It is also known by different names depending on the country, including FD&C Red No. 3 in the United States, C.I. Acid red 51 in Europe, and Mordant Red 3 in Japan. Other synonyms for erythrosine include Cherry Red, Rose Bengal, Acid Red, C.I. 45430, and Mordant Red. While these names may differ, the compound remains the same, and it is vital to check food labels for any potential allergens or food additives such as erythrosine.