Tumbler for food having a container that is formed so as to receive the food, said container comprising a fluid duct that is provided on the shell-side for a fluid, said container comprising an extraction opening for the food and said extraction opening is provided on a first end side , said container comprising a supply opening for the food and said supply opening is provided on a second end side that lies opposite the first end side and said container comprising a suction opening for a gas that is provided in the container and said tumbler has a drive for rotating the container about an axis of rotation and has a rotary feedthrough that is allocated to the second end side , - wherein the rotary feedthrough comprises a connection module and a rotary module that is provided in a rotatable manner with respect to the connection module and said rotary module can rotate with the container about the axis of rotation , - wherein a first feedthrough duct which is guided to the supply opening , is provided for the food in a coaxial manner with respect to the axis of rotation , - wherein a second feedthrough duct and a third feedthrough duct are provided as a flow and a return flow for the fluid, - wherein the second feedthrough duct comprises an intake opening for the fluid and said intake opening is provided on the connection module , an annular gap that is formed between the connection module and the rotary module , a feed line section that is formed on the rotary module , and also a connecting opening that is formed between the annular gap and the feed line section and - wherein the third feedthrough duct comprises a discharge opening for the fluid and said discharge opening is provided on the connection module , an annular gap that is formed between the connection module and the rotary module , an outlet section that is formed on the rotary module , and also a connecting opening that is formed between the annular gap and the outlet section , and - wherein the rotary feedthrough comprises seals for sealing the feedthrough ducts with respect to one another. - wherein the rotary feedthrough comprises a connection module and a rotary module that is provided in a rotatable manner with respect to the connection module and said rotary module can rotate with the container about the axis of rotation , - wherein a first feedthrough duct which is guided to the supply opening , is provided for the food in a coaxial manner with respect to the axis of rotation , - wherein a second feedthrough duct and a third feedthrough duct are provided as a flow and a return flow for the fluid, - wherein the second feedthrough duct comprises an intake opening for the fluid and said intake opening is provided on the connection module , an annular gap that is formed between the connection module and the rotary module , a feed line section that is formed on the rotary module , and also a connecting opening that is formed between the annular gap and the feed line section and - wherein the third feedthrough duct comprises a discharge opening for the fluid and said discharge opening is provided on the connection module , an annular gap that is formed between the connection module and the rotary module , an outlet section that is formed on the rotary module , and also a connecting opening that is formed between the annular gap and the outlet section , and - wherein the rotary feedthrough comprises seals for sealing the feedthrough ducts with respect to one another. <EOS>