\In"o*site\, n. [Gr. ?, ?, strength, muscle.] (Physiol.
Chem.)
A white crystalline substance with a sweet taste, found in
certain animal tissues and fluids, particularly in the
muscles of the heart and lungs, also in some plants, as in
unripe pease, beans, potato sprouts, etc. Called also
{phaseomannite}.
Note: Chemically,it has the composition represented by the
      formula, {C6H12O6+H2O}, and was formerly regarded as a
      carbohydrate, isomeric with dextrose, but is now known
      to be an aromatic compound (a hexacid phenol derivative
      of benzene).