Edible lard and tallow are the main foodstuffs produced from continuous edible rendering of animal fatty tissue. Either the low temperature option or the high temperature option edible rendering processes may be used to render edible fat. The low temperature option uses temperatures below 49 °C (120 °F) and the high temperature option uses temperatures between 82 and 100 °C (180 and 210 °F) to melt animal fatty tissue and to separate the fat from the protein. A better separation of fat from protein can be achieved with the high temperature option; however, the protein obtained from the low temperature option is of acceptable quality, whereas the protein obtained from the high temperature option cannot be sold as an edible product (Prokop 1985).