The invention relates to a bottom base (220) for a container bottom of a plastic box (100) for holding and transporting fruit and vegetable products, which makes it possible to control the deformation of the structure thereof due to loads and to preserve the integrity of the products stored inside the box (100), said bottom base (220) being circumscribed in a bottom frame (210), wherein the bottom base (220) comprises rectangular beams (230) in the diagonals that join the profiles to the bottom frame (210).
