The Collaborative International Dictionary of English v.0.48:

Pulpiness \Pulp"i*ness\, n.
   the quality or state of being pulpy.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pulpiness
    n 1: a mushy pulpy softness [syn: mushiness, pulpiness]

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "pulpiness":
   butteriness, creaminess, delicacy, downiness, easiness,
   featheriness, flossiness, fluffiness, gentleness, insolidity,
   leniency, mellowness, morbidezza, nonresistiveness, nonrigidity,
   plushiness, satininess, semifluidity, semiliquidity, silkiness,
   softness, sponginess, tenderness, unsolidity, velvetiness