The Collaborative International Dictionary of English v.0.48:

Dyspeptone \Dys*pep"tone\, n. [Pref. dys- + peptone.] (Physiol.
   Chem.)
   An insoluble albuminous body formed from casein and other
   proteid substances by the action of gastric juice.
   --Meissner.
   [1913 Webster] Dysphagia