E161G – Canthaxanthi

Description

Technical Description: Red-orange carotenoid pigment; synthesized chemically or extracted from natural sources like mushrooms and algae

Risks

Notes

Astaxanthin is a reddish-orange carotenoid pigment that can be sourced from several natural origins including certain mushrooms, marine algae (particularly a species called Haematococcus pluvialis), and some seafood like salmon and shrimp - which is actually how these animals get their pink colour. It can also be produced synthetically in laboratories or through fermentation processes using specially engineered microorganisms. The natural extraction involves breaking down the source materials and isolating the pigmented compounds, while synthetic production uses chemical processes to build the same molecular structure. As a food colouring agent, astaxanthin provides a vibrant red-orange colour that's particularly prized for its ability to mimic the natural pink hues found in seafood and certain other foods. You'll find it used in fish feed (to give farmed salmon their characteristic colour), processed seafood products, beverages, and various other foods where an appealing reddish-pink tint is desired. It's especially common in products that want to replicate the natural colours associated with premium or wild-caught seafood. The source of astaxanthin determines its suitability for different diets - the mushroom and algae-derived versions are suitable for vegetarians and vegans, while those extracted from seafood sources would not be. The synthetic version, while chemically identical, may be less appealing to those seeking only natural ingredients. All forms are considered safe by food regulators worldwide. Interestingly, astaxanthin is particularly noted for its potent antioxidant properties, often marketed as a beneficial supplement beyond its use as a food colouring.