Blue No. 2, formally known as FD&C Blue No. 2, is a synthetic food coloring widely used in the food industry to achieve a blue hue in various products. It is also commonly referred to as indigo blue or indigotine.
Understanding FD&C Blue No. 2
FD&C Blue No. 2 is a manufactured dye that serves as a synthetic counterpart to natural indigo. While natural indigo is derived from plants, indigotine is a petroleum product.
Key Characteristics of FD&C Blue No. 2:
| Aspect | Description |
|---|---|
| Official Name | FD&C Blue No. 2 |
| Other Names | Indigo blue, Indigotine |
| Origin | Synthetic, petroleum-derived |
| Chemical Formula | C16H10N2O2 |
| Primary Function | Food coloring agent |
Where is Blue No. 2 Used?
This vibrant blue dye is incorporated into a variety of food items to enhance their visual appeal. Its uses span across several categories of packaged and processed foods.
Common applications include:
- Baked Goods: Adding color to pastries, cakes, and other baked items.
- Cereals: Used in some breakfast cereals for visual interest.
- Ice Cream: Contributing to the blue shades in frozen desserts.
- Snacks: Found in various snack foods, particularly those marketed to children.
- Candies: A popular choice for confectionery products.
- Cherries: Used in some processed cherry products to maintain or enhance color.
Blue No. 2 is one of several certified color additives approved for use in food, drugs, and cosmetics, helping manufacturers achieve desired product aesthetics. Understanding its origins and applications provides insight into the composition of many everyday food products.
