The interest of the food industry in replacing artificial dyes with natural pigments has grown recently. Cyanobacterial phycobiliproteins (PBPs). phycoerythrin (PE) and phycocyanin (PC). are colored water-soluble proteins that are used as natural pigments. https://foldlyers.shop/product-category/adapters-2-5-3-5-6-5mm-audio-cables/