Abstract: The invention relates to a tubular food casing based on textile material or regenerated cellulose which has on the inside an impregnation or coating which comprises at least one colorant which is transferable to a foodstuff situated in the casing and/or a coloring foodstuff (=coloring agent), but no binder. Particularly suitable coloring agents are cereal varieties and preparations thereof, such as barley, barley malt and barley malt extract, caramel, spices, cocoa, coffee, fruits or vegetable varieties. Solid coloring agents are expediently comminuted to a maximum particle size of 0.5 mm. The casing is provided in particular as artificial sausage casing.