Patent Blue V (E131)

Type of additive (Glossary)	Colorants
E Number	E131
Also Known As	Food Blue 5 Sulphan Blue Acid Blue 3 L-Blau 3 C-Blau 20 Patentblau V Sky Blue C.I. 42051 E 131

Purpose and Function

Patent Blue V (E131) is a synthetic blue dye used in the food and beverage industry to provide a deep blue color. It is commonly found in:

Confectionery: Candies, jellies, and sweets often use this dye for bright blue hues.
Beverages: Patent Blue V is added to soft drinks, syrups, and other flavored beverages.
Processed foods: Used in ice creams, desserts, and other processed snacks.
Pharmaceuticals: Patent Blue V is also used in medicinal products, such as pills and syrups, for coloring purposes.

Despite its wide use in food products, E131 is subject to restrictions and regulations in various regions due to health concerns.

otential Risks and Adverse Effects

Patent Blue V (E131) has been linked to some health concerns, leading to its restriction in certain countries. Some of the potential risks include:

Allergic reactions: Like many synthetic dyes, Patent Blue V can cause allergic reactions in sensitive individuals, particularly those prone to asthma or skin allergies. Symptoms can include skin rashes, itching, and respiratory problems.
Hyperactivity in children: Concerns have been raised about synthetic food dyes and their potential link to hyperactivity in children. This is an area of ongoing research.
Regulatory restrictions: While Patent Blue V is approved for use in the European Union, its use is restricted in other regions. For example, it is not approved for use in foods in countries such as the United States.

In South Africa, Patent Blue V is allowed but is closely regulated to ensure safe consumption within the prescribed limits.