EN
This paper presents the results of legume grains hulling (blue lupine Emir was taken as an example). Hulling was carried out by three devices, differed in principle of working element operation, i.e., percussion grinder, roller mill, and finger crusher of Alpine type. Optimisation of hulling processes was performed by changing: moisture of raw material (7.8, 10.1, 12.3, 13.8, and 15.7 %), sieve meshes (5, 7, 9 mm, and without sieves), or working slot (2.0, 2.5, and 3.0 mm).