Is E163 natural? Exploring the Anthocyanin Food Colouring
                                
                                
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                                    4 min read                                
                            
                                Anthocyanins, the natural pigments also identified as E163, are responsible for the vibrant red, purple, and blue hues in many plants. Is E163 natural? Yes, this food additive is a natural compound, extracted and concentrated from various plant sources for commercial use.