E131 is a food additive approved by the European Union (EU). It is used as a synthetic colouring agent in food and drink products.
The common name for E131 is patent blue V.
E131 is highly soluble in water and gives a blue colouring.
Some allergic reactions have been reported in conjunction with the intake of E131. Other side effects have included low blood pressure, nausea and skin irritation.
E131 is banned in the US, Norway and Australia.
Examples of food and drink products that sometimes include E131:
- scotch eggs