More importantly, enzymes, additives and emulsifiers can be added to counteract the mechanical property changes associated with staling. However, out of the three, the focus for artisan bread should be on enzymes.
It is not only the finished loaf that is affected by enzyme addition. The dough itself is also affected, and this can be useful for the manufacturer. Enzymes can be used to give a soft, elastic dough with low stickiness.