摘要: Oxalic acid is a widely occurring natural product of animals, plants and other organisms. It sometimes occurs as free acid, but more commonly calcium salt. Organisms exhibit various levels oxalate content which even show fluctuations among the organs same individual. Although seems to engage in metabolism adaptation fungi, its mechanism far from being completely understood. There now an appreciable body information regarding occurrence significance oxalic living tissues data are scattered scientific areas due broad distribution my goal present review gather this together make it available for forthcoming research area oxalate.