释义 |
threonine Biochem.|ˈθriːəʊniːn| [f. threose + -n- + -ine5.] A natural amino-acid, α-amino-β-hydroxy-butyric acid, C4H9NO3, considered essential for growth and for maintenance of the nitrogen equilibrium in adults.
1936Meyer & Rose in Jrnl. Biol. Chem. CXV. 727 It is proposed that henceforth natural α-amino-β-hydroxy-n-butyric acid be known as d(―)-threonine, inasmuch as it possesses a spatial configuration analogous to that of d(―)-threose. 1956[see plasma 6 b]. 1974Nature 19 Apr. 643/2 Eight essential amino acids—[including]..valine, threonine, phenylalanine and tryptophan—are required by human adults. |