The step is very important for grain and spelt with to become semolina.The grinding is traditional , grinding cilinders, at low extraction and  does not extract the wheat germ.
The germ is the embryo, the most vital part of the seed , containing vitamins E, B1, B3, B5, B6, F, trace elements such as calcium, potassium, silicon, phosphorus , sulphur, zinc, copper, iron, magnesium, manganese, selenium ,octesanolo against fatigue. Thanks to the synergy of vitamin E and magnesium the wheat germ (or spelt) increases physical and mental energy and is today used in therapies.  Why deprive us of this valuable content!