Tuna Chunks in Brine. Princes Tinned Tuna is packed with protein, perfect on top of a jacket potato or in the kids’ lunchtime sandwich. No artificial preservatives, colours or flavours.. Easy Open and perfect in a range of recipes, whether you fancy a filling jacket or a pasta bake, we've got a recipe idea to suit your diet, lifestyle and tastebuds at princes.co.uk.. High in protein,Responsibly sourced,Easy open,No artificial preservatives, colours of flavours