Anthocyanin derivatives treated with an aluminum salt as food colouring substances

摘要

A process for modifying the taste and/or odour properties of a food colouring substance having unpleasant taste and/or odour properties is disclosed. Secondly, there is provided a process for obtaining a blue non-bleeding colour that seems approvable by most health authorities. The invention is useful in food products, sweets and pharmaceutical products ingested orally.