A micro-capsulated pigment containing pigment ink being excellent in density,
fineness,
transparency, and coloring and color rendering properties required for ink solutions
and having excellent dispersibility and dispersion stability with time due to the
reduced particle size is provided. At least a color material with at least part
of the surfaces of pigment particles covered with polyhydroxyalkanoate, and a medium
for dispersion of the color material are used to obtain the pigment ink.
