Wash the red cabbage leaves. Remove the thick central rib and cut the rest into large pieces. Peel and chop the oranges. Peel the cucumber and cut into large pieces (organic products do not have to be peeled). Peel the carrot and cut into large pieces (organic products do not have to be peeled). Peel the ginger and cut into small pieces. Put all ingredients (including linseed oil) in the blender and puree them finely. Add cold water.