It is a precursor in the synthesis of various amino acids, such as alanine, and of malic acid and oxaloacetic acid, both intermediates in the KREBS CYCLE.

• 在各种氨基酸比方丙氨酸以及苹果酸和草酰乙酸合成中作为前体。苹果酸与草酰乙酸均是三羧酸循环的中间产物。