name of the food source from which the major food allergen is derived
(2) As used in this subsection, the term “name of the food source from which the major food allergen is derived” means the name described in section 321(qq)(1) of this title ; provided that in the case of a tree nut, fish, or Crustacean shellfish, the term “name of the food source from which the major food allergen is derived” means the name of the specific type of nut or species of fish or Crustacean shellfish.