OP 700 - Is it necessary to grind (brown) linseed before pressing? Gustav 05 August 2025 07:08 Updated No, linseed (regardless of the variety) does not need to be ground beforehand. Related articles OP 700 - Is it possible to press sunflower seeds with their shells? OP 700 - Do oil or pomace come into contact with aluminium? OP 700 - Oil yield for almonds OP 700 - Is it possible to use black cumin seeds? OP 700 - Is it possible to extract oil from cherry pits?