The invention relates to a process for enriching trehalose from solutions,
in which the enrichment is performed using an adsorbent, in which the
adsorbent is an aluminosilicate. Preferably, the aluminosilicate is a
zeolite. The invention further relates to the enrichment and purification
of trehalose from fermentation broths, in particular as a coupled product
of production by fermentation of other products of value.