Alanine is a nonessential amino acid with composed to the human body protein in 20 kinds, , It is a neutral amino
acid which its molecules containing carboxyl, amino. There are alpha and beta two different constructs. Alpha type
alanine due to the asymmetric carbon atoms in molecules with L, type and D type stereo image, the optical activity
Beta alanine are not be founded in the protein hydrolysate.It is exists in the free state in the root nodules of leguminous plant, it is also exists in the tea and the mammalian brain hydrolysate,.It is mainly be used to compose of pantothenicacid, calcium Pantothenate, carnosine, Disodium pamidronate, Balsalazide etc which is applied widely in the field of medicine, feed, food, etc.