Rendering and Hot Water Extraction

Rendering is the process of extraction of fat from animal tissue by application of heat. Rendering is also called trying. During rendering fat cells are ruptured, expelled and water evaporated. The accompanying connective tissues are separated as solid residue called cracklings. Rendering can be done by following two methods;

  1. Wet rendering
  2. Dry rendering

Wet rendering:

Fig: Autoclave for wet rendering

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