Rapeseed Meal / Mustard De-Oiled Cake (DOC)
Rapeseed meal is a high protein-containing material that can be used as a feed for livestock and poultry. Typical meal contains around 38% of protein; however it also contains about 12% crude fiber and glucosinolates.
Solvent-Extracted Rapeseed Meal - Process
Rapeseeds contain 40-45% oil and yield about 55-60% oil meal when fully extracted by crushing followed by solvent extraction. The main steps of this process are seed cleaning, seed pre-conditioning, rolling and flaking, seed cooking and pressing to mechanically remove a portion of the oil, solvent extraction (hexane) of the press-cake to remove the remainder of the oil, desolventizing and toasting. Temperature is one of the main factors affecting the quality of rapeseed meal. Solvent-extracted rapeseed meal should not contain more than 2-3% oil.