Carrageenan as a disputed food additive

Carrageenan is a controversial food additive that has been the subject of intense scientific debate. It is derived from red seaweed and has a long history of use in food applications. The carrageenan debate has centred around the low molecular weight of the derivative poligeenan, and its potential effect on human health. This article provides an insight into the structure and function of this carrageenan, its health effects and the regulatory status as a food additive in response to the new scientific findings.