Source : Webster's Revised Unabridged Dictionary (1913)

Sapidness \Sap"id*ness\, n.
   Quality of being sapid; sapidity.

         When the Israelites fancied the sapidness and relish of
         the fleshpots, they longed to taste and to return.
                                                  --Jer. Taylor.

Source : WordNet®

sapidness
     n : a pleasant flavor [syn: {sapidity}]