The invention discloses a
calcium folinate composition for
adjuvant treatment of colon
cancer and rectal
cancer, and belongs to the technical field of
medicine. The composition comprises
calcium folinate and
arginine, wherein the
calcium folinate is a
crystal; an X-
ray powder diffraction pattern measured through using Cu-
K alpha ray is described as the graph 1 (referring to the description). The novel
crystal form of the calcium folinate provided by the invention is different from the
crystal structure of the prior art, the test proves and discovers that compared with the prior art, the calcium folinate crystal composition provided by the invention has the following advantages: the stability is good, the content of impurities is low, and the
solubility and fluidity in water are obviously improved; the problems that the calcium folinate in the prior art is poor in water
solubility and stability and related substances are high in content are solved, so that convenience is provided for the preparation of a
reagent, and the
medicine effect is greatly improved; a
powder injection prepared by using the novel crystal compound is good in stability, the stability is good after the
powder injection is combined with a
solvent, the content of insoluble
particulates is extremely low, and the
powder injection is quite suitable for clinical application.