More of a lichen than the fungus that they resemble. They have a similar musty flavor to ancient Earth truffles, but the process of metabolising Deuringas's surface - which is why Deuringas truffles must be shaved in preparation for eating.
— In-Game Description
Deuringas Truffles is a specific item of Foods in the world of Elite Dangerous.
Rare goods increase in value the further you travel from their point of purchase.